FITTER QUESTION 2nd year
(1-247)
(தமிழ்)
1. Why slots are provided in the slotted castle nuts?
A To fix split pins B For good appearance
C Reduce the weight of nut D For easy removal and fitment
Answer: A
1. Castle Nut-களில் ஸ்லாட்டுகள் ஏன் வழங்கப்படுகின்றன?
A பிளவு ஊசிகளை சரிசெய்ய
B நல்ல தோற்றத்திற்கு
C நட்டு எடையை குறைக்கவும்
D எளிதாக அகற்றுவதற்கும் பொருத்துவதற்கும்
பதில்: ஏ
2.Which special file is used for narrow work?
A Pillar file B Square file C Dread naught file D Swiss pattern file
Answer: A
2.குறுகிய வேலைகளுக்கு எந்த சிறப்பு file பயன்படுத்தப்படுகிறது?
A Pillar file
B சதுர file
C Dread Naught file
D சுவிஸ் பேட்டர்ன் கோப்புfile
பதில்: ஏ
3. What is the name of gauge?
A Ring gauge B Plug gauge
C Taper ring gauge D Taper plug gauge
Answer: A
3. அளவீட்டின் (Gauge) பெயர் என்ன?
A ரிங் கேஜ்
B பிளக் கேஜ்
C டேப்பர் ரிங் கேஜ்
D டேப்பர் பிளக் கேஜ்
பதில்: ஏ
4. Which gauge is used to check the gap between the mating parts?
A Slip gauge B Plug gauge
C Feeler gauge D Radius gauge
Answer: C
4. Mating பகுதிகளுக்கு இடையே உள்ள இடைவெளியை சரிபார்க்க எந்த அளவுகோல் பயன்படுத்தப்படுகிறது?
A ஸ்லிப் கேஜ்
B பிளக் கேஜ்
C ஃபீலர் கேஜ்
D ரேடியஸ் கேஜ்
பதில்: சி
5.What is the name of limit gauge?
A Plain ring gauge
B Taper plug gauge
C Progressive plug gauge
D Double ended plug gauge
Answer: C
5.லிமிட் கேஜின் பெயர் என்ன?
A ப்ளைன் ரிங் கேஜ்
B டேப்பர் பிளக் கேஜ்
C முற்போக்கான (Progressive) பிளக் கேஜ்
D டபுள் எண்ட் பிளக் கேஜ்
பதில்: சி
6 Which material is used to clean the slip gauge?
A Wax
B Kerosene
C Soluble oil
D Carbon tetra chloride
Correct Answer:- D Carbon tetra chloride
6 ஸ்லிப் கேஜை சுத்தம் செய்ய எந்த பொருள் பயன்படுத்தப்படுகிறது?
A மெழுகு
B மண்ணெண்ணெய்
C கரையக்கூடிய எண்ணெய்
D கார்பன் டெட்ரா குளோரைடு
பதில்:- D கார்பன் டெட்ரா குளோரைடு
7 Which material is to wash off the lapping plate after charging?
A Oil
B Kerosene
C Coolant oil
D Petroleum jelly
Correct Answer:- B Kerosene
7 சார்ஜ் செய்த பிறகு லேப்பிங் பிளேட்டைக் கழுவ வேண்டிய பொருள் எது?
A எண்ணெய்
B மண்ணெண்ணெய்
C குளிரூட்டும் எண்ணெய்
D பெட்ரோலியம் ஜெல்லி
சரியான பதில்:- B மண்ணெண்ணெய்
8 Which material is used to protect slip gauge from rust?
A Oil
B Wax
C Kerosene
D Petroleum jelly
Correct Answer:- D Petroleum jelly
8 ஸ்லிப் கேஜை துருப்பிடிக்காமல் பாதுகாக்கப் பயன்படும் பொருள் எது?
A எண்ணெய்
B மெழுகு
C மண்ணெண்ணெய்
D பெட்ரோலியம் ஜெல்லி
சரியான பதில்:- D பெட்ரோலியம் ஜெல்லி
9 What is the procedure to built up the slip gauge for particular dimension?
A Start wringing with the largest slip gauges
B Maximum number of block
C Built with grade 0 accuracy
D Start wringing with the small slip gauge
Correct Answer:- A Start wringing with the largest slip gauges
9 குறிப்பிட்ட பரிமாணத்திற்கான ஸ்லிப் கேஜை உருவாக்குவதற்கான செயல்முறை என்ன?
A மிகப் பெரிய ஸ்லிப் கேஜ்களுடன் முறுக்குவதைத் தொடங்கவும்
B தொகுதியின் அதிகபட்ச எண்ணிக்கை
C தரம் 0 துல்லியத்துடன் கட்டப்பட்டது
D சிறிய ஸ்லிப் கேஜ் மூலம் கட்ட தொடங்குங்கள்
சரியான பதில்:- A மிகப்பெரிய ஸ்லிப் கேஜ்களுடன் ஒரு ஸ்டார்ட் ரிங்கிங் தொடங்கவும்
10 What is the name of the gauge?
A Plain snap gauge
B Thread snap gauge
C Thread pitch gauge
D Adjustable snap gauge
Correct Answer:- D Adjustable snap gauge
10 அளவீட்டின் பெயர் என்ன?
A எளிய ஸ்னாப் கேஜ்
B த்ரெட் ஸ்னாப் கேஜ்
C த்ரெட் பிட்ச் கேஜ்
D அனுசரிப்பு (Adjustable) ஸ்னாப் கேஜ்
சரியான பதில்:- D அனுசரிப்பு (Adjustable) ஸ்னாப் கேஜ்
11 Which finishing process have a high degree of dimensional accuracy?
A Filing
B Turning
C Grinding
D Lapping
Correct Answer:- D Lapping
11 எந்த முடித்த செயல்முறை அதிக அளவு பரிமாண துல்லியம் கொண்டது?
A தாக்கல்
B திருப்புதல்
C அரைத்தல்
D லேப்பிங்
சரியான பதில்:- D லேப்பிங்
12 Which is the abrasive used for lapping soft steel and non-ferrous metals?
A Silicon carbide
B Diamond
C Boron carbide
D Fused alumina
Correct Answer:- D Fused alumina
13 Why grooves are provided on the surface of the lapping plate?
A To allow expansion
B To provide clearance
C To retain the abrasive
D To permit minor adjustment
Correct Answer:-C To retain the abrasive
14 What is the method of surface hardening?
A Nitriding
B Pack - carburising
C Flame hardening
D Induction hardening
Correct Answer:- B Pack - carburising
15 What is the method of surface hardening?
A Nitriding
B Case hardening
C Flame hardening
D Induction hardening
Correct Answer:-C Flame hardening
16 What is the name of the heat treatment process for reheating the hardened steel to a temperature below 400°C followed by cooling?
A Annealing
B Hardening
C Tempering
D Normalising
Correct Answer:- C Tempering
17 Why the tempering process carried out in steel?
A To add cutting ability
B To relive strain and stress
C To refine the grain structure
D To regulate the hardness and toughness
Correct Answer:- D To regulate the hardness and toughness
18 What is the purpose of annealing in steel?
A To add cutting ability
B To increase wear resistance
C To relieve the internal stress
D To refine the grain structure of the steel
Correct Answer:- C To relieve the internal stress
19 What is the name of the key?
A Sunk key
B Feather key
C Flat saddle key
D Hollow saddle key
Correct Answer:- B Feather key
20 What is the purpose of key?
A To transmit torque
B Assembly purpose
C Lock the assembly part
D Permit clearance between mating part
Correct Answer:- A To transmit torque
21 What is the ratio of key way taper?
A 01:19:00 B 01:20:00 C 01:50:00 D 1:100
Correct Answer:- D 1:100
22 What is the name of key?
A Taper sunk key
B Flat saddle key
C Parallel sunk key
D Hallow saddle key
Correct Answer:- A Taper sunk key
23 Which type of metal screws useful for self tapping on hard or brittle materials?
A Self piercing
B Thread cutting
C Thread forming
D Hammer driven screw
Correct Answer:-
B Thread cutting 24 What is the advantage of wing nut?
A In coach building work
B Heavy duty assembly work
C Loosen and tighten without wrench
D Provide decorative appearance
Correct Answer:- C Loosen and tighten without wrench
25 What is the name of gauge?
A Pitch gauge
B Angle gauge
C Feeler gauge
D Radius gauge
Correct Answer:- D Radius gauge
26 Which gauge is used to check the accuracy of an external thread?
A Snap gauge
B Thread ring gauge
C Thread plug gauge
D Centre gauge
Correct Answer:- B Thread ring gauge
27 What is the instrument used in measuring external diameter?
A Vernier caliper
B Outside caliper
C Parallel leg caliper
D Pair of special jaws by using slip gauge
Correct Answer:-
D Pair of special jaws by using slip gauge28 Find out the height of slip gauge ‘a’?(sin 25° = 0.4226)
A 84.50 mm B 84.52 mm C 84.51 mm | 84.51 D 85.20 mm
Correct Answer:- B 84.52 mm
29 How many set of feeler gauges are available as per BIS?
A Set No: 1, 2
B Set No: 1, 2, 3, 4
C Set No: 1, 2, 3, 4, 5
D Set No: 1, 2, 3, 4, 5, 6
Correct Answer:- B Set No: 1, 2, 3, 4
30 What material is used to make radius and fillet gauge?
A Tool steel
B Hardened steel steel
C High carbon steel
D Medium carbon steel
Correct Answer:- B Hardened steel steel
31 What is the part marked as ‘x’ in lapping tool?
A Slit
B Bush
C Sleeve
D Groove
Correct Answer:- A Slit
32 What is the purpose of slit provided in the lapping tool?
A For clearance
B For expansion
C To retain abrasive
D To adjust the sleeve
Correct Answer:- B For expansion
33 What is the name of operation?
A Internal ring lapping
B External ring lapping
C Lapping internal cylinder
D Lapping large diameter
Correct Answer:- D Lapping large diameter
34 What type of abrasives are used in honing cast iron and non-ferrous materials?
A Diamond
B Boron carbide
C Silicon carbide
D Aluminium oxide
Correct Answer:- C Silicon carbide
35 Which method of surface hardening, the surface remains free from scales?
A Nitriding
B Case hardening
C Flame hardening
D Induction hardening
Correct Answer:- D Induction hardening
36 What is the process if the steel is heated above critical temperature and soaking it for sufficient time and cooling it very slowly within furnace?
A Annealing
B Hardening
C Tempering
D Normalising
Correct Answer:- A Annealing
37 What is the process to refine the structure of steel component?
A Tempering
B Annealing
C Hardening
D Normalising
Correct Answer:- D Normalising
38 Which method of surface hardening is done in a heated salt bath?
A Flame hardening
B Gas carburising
C Pack carburising
D Liquid carburising
Correct Answer:- D Liquid carburising
39 What is the name of part marked as X
A Taper shaft
B Splined shaft
C Serrated shaft
D Screw pitch gauge
Correct Answer:- C Serrated shaft
40 Which key has rectangular cross section is fit into keyway cut on both shaft and hub?
A Sunk key
B Feather key
C Flat saddle key
D Hollow saddle key
Correct Answer:- A Sunk key
41 Which key is useful for fitting on tapered shafts?
A Feather key
B Gib head key
C Woodruff key
D Flat saddle key
Correct Answer:- C Woodruff key
42 Where is circular taper key used?
A Light duty transmission
B Bi-directional rotation
C Lengthy shaft
D Tapered shaft
Correct Answer:- A Light duty transmission
43 How the plain bearings are kept in a position without allowing them to rotate along with the shaft?
A By clamps
B By bolt and nut
C By key or screws
D By locking device
Correct Answer:- C By key or screws
44 What is the name of key?
A Flat saddle key
B Taper sunk key
C Parallel sunk key
D Hallow saddle key
Correct Answer:- A Flat saddle key
45 What is the name of key?
A Sunk key
B Feather key
C Gib head key
D Wood ruff key
Correct Answer:- C Gib head key
46 What is the file for lock repair and filing hard notches in keys?
A Pillar file
B Flexible file
C Warding file
D Swiss pattern file
Correct Answer:- C Warding file
47 What is the name of screw?
A Grub screw
B Driver screw
C Self taping screw
D Thread cutting screw
Correct Answer:- B Driver screw
48 What is the advantage of lock washer?
A Provide increased bearing surface
B Prevent the damage to the surface
C Distribute even pressure on working surface
D Prevent bolt or nut from loosening under vibration
Correct Answer:- D Prevent bolt or nut from loosening under vibration
49 What is the name of screw driver?
A Offset screw driver
B Philips screw driver
C Standard screw driver
D Heavy duty screw driver
Correct Answer:- A Offset screw driver
50 What is the name of locking device?
A Tab washer
B Locking plate
C Lock washer
D Spring washer
Correct Answer:- D Spring washer
51 What is the advantage of using Gib headed key?
A Used for tapered fittings
B Can be withdrawn easily
C Provides unidirectional torque
D Good in high speed application
Correct Answer:- B Can be withdrawn easily
52 Which file is used for finishing sharp corners?
A Pillar file
B Riffler file
C Barrette file
D Warding file
Correct Answer:- C Barrette file
53 What is the name of file?
A Tinker’s file
B Crossing file
C Swiss pattern file
D Dread naught file
Correct Answer:- A Tinker’s file
54 Which device is used to check the workpiece to confirm the shape?
A Profile gauge
B Snap gauge
C Caliper gauge
D Progressive gauge
Correct Answer:- A Profile gauge
55 What is the purpose of feeler gauge?
A Check the depth of drilled hole B Check the pitch of screw thread
C Check the radius of workpiece
D Check the gap between the mating parts
Correct Answer:- D Check the gap between the mating parts
56 What is the name of gauge?
A Drill gauge
B Centre gauge
C Profile gauge
D Standard wire gauge
Correct Answer:- D Standard wire gauge
57 Which gauge is used to check the outside diameter of a cylindrical shaft?
A Plug gauge
B Plain ring gauge
C Taper ring gauge
D Progressive plug gauge
Correct Answer:- B Plain ring gauge
58 What is the act of joining the slip gauges together for building up sizes?
A Glazing
B Pinning
C Loading
D Wringing
Correct Answer:- D Wringing
59 What material is used to make sine bar?
A Invar steel
B High speed steel
C High carbon steel
D Stabilized chromium steel
Correct Answer:- D Stabilized chromium steel
60 How the length of sine bar is specified?
A Distance between outer point of roller
B Distance between inner point of roller
C Distance between centre point of rollers
D Distance between the edges of sine bar
Correct Answer:- C Distance between centre point of rollers
61 Which one forms the hypotenuse of the triangle while checking with sine bar?
A Surface plate
B Sine bar width
C Sine bar length
D Slip gauges height |
Correct Answer:- C Sine bar length
62 What is the effect of excessive application of abrasive compound in lapping operation?
A Developing inaccuracies
B Bright spots will be visible
C Obstruct component movement
D Lapping compound will be sticky
Correct Answer:- A Developing inaccuracies
63 What is caused if the lap is harder than the workpiece? |
A Workpiece will cut the lap
B Accuracy can’t be obtained
C Lap will cut the workpiece
D Lapping operation leaves high spots
Correct Answer:- A Workpiece will cut the lap
64 Which material is used to make small diameter laps?
A Cast iron
B Aluminium
C Bronze or zinc
D Copper or brass
Correct Answer:- D Copper or brass
65 What is the name of surface texture measuring instrument?
A Dial test indicator
B Electrical surface indicator
C Electronic surface indicator
D Mechanical surface indicator
Correct Answer:- D Mechanical surface indicator
66 Why manual stroking is preferred for large quantities in honing operation?
A To reduce cost
B To reduce time
C To keep close tolerance
D To reduce maintenance cost
Correct Answer:- C To keep close tolerance
67 What is the purpose of hardening?
A Refine the structure
B Increase toughness
C Increase cutting ability
D Relieve stress and strain
Correct Answer:- C Increase cutting ability
68 Which method of heat treatment to improve machinability and ductility in the job?
A Annealing
B Hardening
C Tempering
D Normalizing
Correct Answer:- A Annealing
69 What is the disadvantage of flame hardening in the heat treatment process?
A More distortion
B Long hardening time
C Small depth of hardening | hardening
D Not suitable for small work pieces
Correct Answer:- D Not suitable for small work pieces
70 What is the name of method in metallic coating done by rolling or drawing the layers of metal on the base metal?
A Spraying
B Cladding
C Enameling
D Molten metal bath
Correct Answer:- B Cladding
71 Which type of key used if the hub of pulley has to axially slide on the shaft to some distance?
A Feather key
B Flat saddle key |
C Circular taper key
D Hallow saddle key
Correct Answer:- A Feather key
72 What is the name of file?
A Pillar file
B Warding file
C Dreadnaught file
D Swiss pattern file
Correct Answer:- B Warding file
73 Which nut protects the bolt end thread from damages?
A Cap nut
B Castle nut
C Slotted nut
D Knurled nut
Correct Answer:- A Cap nut
74 Which grade slip gauge is used for precision tool room applications?
A Grade 00 B Grade 0 C Grade I D Grade II
Correct Answer:- C Grade I
75 Which material is used to make slip gauge block?
A Tool steel
B Low grade steel
C High grade steel with low thermal expansion
D High carbon steel |
Correct Answer:- C High grade steel with low thermal expansion
76 Which operation is performed with fine abrasive particles?
A Filing
B Lapping
C Scraping
D Polishing
Correct Answer:- B Lapping
77 What is the purpose of normalising?
A Add cutting ability
B Develop high hardness
C Increase wear resistance
D Remove stress and strain
Correct Answer:- D Remove stress and strain
78 Which structure of steel contain 0% carbon?
A Ferrite
B Pearlite
C Austenite
D Cementite
Correct Answer:- A Ferrite
79 What is the method of surface hardening? |
A Nitriding
B Case hardening
C Flame hardening
D Induction hardening
Correct Answer:- D Induction hardening
80 Which type of key is used for transmitting high torque on both direction of rotation?
A Flat saddle key
B Taper sunk key
C Woodruft key
D Tangential key
Correct Answer:- D Tangential key
81 What is the use of ring gauge?
A Check hole diameter
B Check shaft diameter
C Check tapered shaft diameter
D Check internal thread diameter
Correct Answer:- B Check shaft diameter
82 Which gauge is used to check the accuracy of an internal thread?
A Ring gauge
B Snap gauge
C Thread ring gauge
D Centre gauge
Correct Answer:- C Thread ring gauge
83 What is the name of the gauge?
A Ring gauge
B Snap gauge
C Taper ring gauge
D Internal thread gauge
Correct Answer:- C Taper ring gauge
84 What is the procedure to select the slip gauge for particular dimension?
A Built with grade accuracy
B Minimum number of blocks
C Maximum number of block
D Start wringing with small size slip gauge
Correct Answer:- D Start wringing with small size slip gauge
85 Which process improves the quality of fit between the mating components?
A Filing
B Turning
C Grinding
D Lapping
Correct Answer:- D Lapping
86 Which abrasive is used for lapping hardened steel and cast iron?
A Silicon carbide
B Boron carbide
C Aluminium oxide
D Fused aluminum
Correct Answer:- A Silicon carbide
87 Which finishing operation is performed by the tool that rotate and reciprocate simultaneously?
A Drilling
B Honing
C Lapping
D Grinding
Correct Answer:- B Honing
88 Why holes are provided in ring type lapping?
A Lubrication
B Removal of heat
C Hold lapping compound
D Increase the efficiency
Correct Answer:- C Hold lapping compound
89 Which type of key has one face curvature to match shaft surface?
A Sunk key
B Flat saddle key
C Circular taper key
D Hallow saddle key
Correct Answer:- D Hallow saddle key
90 What is the name of key?
A Parallel sunk key
B Gib head key
C Wood ruff key
D Tapper sunk key
Correct Answer:- A Parallel sunk key
91 Which type of cutting tool is tempered by heating upto 230°C?
A Taps
B Drills
C Turning tool
D Reamers
Correct Answer:- C Turning tool
92 Why normalising process is carried out in steel?
A To add cutting ability
B To develop high hardness
C To remove stress and strain
D To increase wear resistance
Correct Answer:- C To remove stress and strain
93 Which heat treatment process increases the wear resistance of steel?
A Annealing
B Tempering
C Hardening
D Normalising
Correct Answer:- C Hardening
94 What is the purpose of annealing?
A To soften the steel
B To add cutting ability
C To increase wear resistance
D To refine the grain structure of the steel
Correct Answer:- A To soften the steel
95 Why square head screws are provided with collar?
A Protect work surface
B Raise the head width
C Provide leak proof joint
D Provide access for tools
Correct Answer:- A Protect work surface
96 What is the purpose of taper plug gauges?
A Check the hole with perfect fit
B Check the inside threaded dia
C Check tapered hole with perfect fit
D Check the taper accuracy of outside dia
Correct Answer:- C Check tapered hole with perfect fit
97 Why slots are provided in the adjustable ring lap?
A For lubrication
B Permit clearance
C For expansion
D Permit feeding of lapping compound
Correct Answer:- D Permit feeding of lapping compound
98 Which abrasive has excellent cutting properties and expensive?
A Diamond
B Boron carbide
C Silicon carbide
D Aluminium oxide
Correct Answer:- B Boron carbide
99 What is lapping?
A Filing operation
B Grinding operation
C Chiseling operation
D Precision finishing operation
Correct Answer:- D Precision finishing operation
100 What is the name of lap tool?
A Split bush lap
B Adjustable ring lap
C Adjustable solid lap
D Charging cylindrical lap
Correct Answer:- A Split bush lap
101 What is lead of multi start thread?
A Pitch x no of starts
B Lead x no of starts
C Pitch x major diameter
D Pitch x minor diameter
Correct Answer:- A Pitch x no of starts
102 What is the type of screw?
A Hexagon head screw
B Grub screws
C Round head screw
D Square head screw
Correct Answer:- B Grub screws
103 What is the name of the nut?
A Castle nut
B Slotted nut
C T - Nut
D Cap nut
Correct Answer:- A Castle nut
104 What is the name of nut? |
A Castle nut
B Hexagon weld nut
C Hexagon nut with collar
D Self locking nut
Correct Answer:- B Hexagon weld nut
105 What is the name of tool?
A Face wrench
B Hook spanner
C Face pin wrench
D Pin wrench
Correct Answer:- B Hook spanner
106 What is the type of screw?
A Hexagon socket head cap screws
B Hexagon head screws
C Counter sink head screws
D Raised cheese hand screws
Correct Answer:- A Hexagon socket head cap screws
107 What is the file that is rectangular in section and parallel in width with one safe edge?
A Dread naught file
B Pillar file
C Warding file
D Swiss pattern file
Correct Answer:- B Pillar file
108 Which file has double cut on faces and single cut at edges?
A Pillar file
B Single cut file
C Rasp cut file
D Warding file
Correct Answer:- D Warding file
109 What is the name of file?
A Pillar file
B Warding file
C Swiss pattern file
D Dreadnaught file
Correct Answer:- C Swiss pattern file
110 What is the name of gauge?
A Thread plug gauge
B Thread ring gauge
C Caliper gauge
D Ring gauge
Correct Answer:- B Thread ring gauge
111 What is the name of gauge? |
A Taper gauge
B Snap gauge
C Progressive plug gauge
D Double end plug gauge
Correct Answer:- B Snap gauge
112 What is the use of drill gauge?
A Check the diameter of the drill
B Check the length of the drill
C Check the cutting angle of the drill
D Check the lip length
Correct Answer:- A Check the diameter of the drill
113 What is marked as ‘X’?
A Length
B Depth surface
C Contact rollers
D Width
Correct Answer:- A Length
114 What is marked as ‘X’?
A Height of slip gauge
B Length of sine bar
C Datum surface
D Adjacent side
Correct Answer:- A Height of slip gauge
115 What is the name of gauge?
A Screw pitch gauge
B Angle gauge
C Slip gauge
D Centre gauge
Correct Answer:- D Centre gauge
116 What is the name of gauge?
A Centre gauge
B Screw pitch gauge
C Radius gauge
D Snap gauge
Correct Answer:- B Screw pitch gauge
117 What is the type of gauge?
A Thread ring gauge
B Roller type thread caliper gauge
C Thread plug gauge
D Anvil type thread snap gauge
Correct Answer:- D Anvil type thread snap gauge
118 What is the type of gauge?
A Double ended plug gauge
B Progressive plug gauge
C Taper plug gauge
D Taper ring gauge
Correct Answer:- A Double ended plug gauge
119 What is marked as ‘X ‘? |
A Double ended plug gauge - No Go
B Progressive plug gauge - Go
C Taper plug gauge - Go
D Progressive plug gauge - No Go
Correct Answer:- B Progressive plug gauge - Go
120 What is the gauge?
A Snap gauge
B Progressive plug gauge
C Taper ring gauge
D Taper plug gauge
Correct Answer:- D Taper plug gauge
121 What is marked as ‘X’?
A Thread ring gauge - Go
B Thread ring gauge - No Go
C Ring gauge
D Thread pitch gauge
Correct Answer:- B Thread ring gauge - No Go
122 What is the name of gauge?
A Thread ring gauge
B Thread plug gauge
C Thread pitch gauge
D Taper plug gauge
Correct Answer:- B Thread plug gauge
123 What is the quenching media used in heat treatment to obtain faster rate of cooling?
A Brine solution
B Air
C Oil
D Water
Correct Answer:- A Brine solution
124 What is marked as ‘X’ ? | X
A Upper critical temperature
B Lower critical temperature
C Austenite
D Ferrite
Correct Answer:- B Lower critical temperature
125 What is the angle of elbows and bends that provide diversions?
A 90° & 45° B 30° & 60° C 20° & 40° D 70° & 120°
Correct Answer:- A 90° & 45°
126 What type of screws are used in the places were frequent removal and assembling?
A Square head screws
B Hexagon socket head cap screws
C Round head screws
D Cheese head screws
Correct Answer:- A Square head screws
127 What type of nuts are used in coach building work?
A Square nut
B T-nuts
C Wing nuts
D Cap nuts
Correct Answer:- A Square nut
128 What is the name of nut having top part in cylindrical shape and bottom part in hexagonal shape?
A Slotted nut
B T - Nuts
C Cap nuts
D Castle nuts
Correct Answer:- D Castle nuts
129 Which type of machine screw used in heavy duty assembly work?
A Pan head screw
B Cheese head screw
C Round head screw
D Hexagon head screws
Correct Answer:- D Hexagon head screws
130 Which type of machine screw is used in light assembly work?
A Hexagon head screw
B Cheese head screw
C Hexagon socket head cap screws
D Square head counter sink head screws
Correct Answer:- B Cheese head screw
131 Which file with sharp and parallel teeth used on soft and non metallic materials?
A Pillar file
B Tinker file
C Dread naught file
D Warding file
Correct Answer:- C Dread naught file
132 Which file used as finishing tool and ensure precision smoothness?
A Swiss pattern file
B Pillar file
C Dread naught file
D Warding file
Correct Answer:- A Swiss pattern file
133 What is the thickness range of BIS set of feeler gauge?
A 0.01 mm to 1 mm in steps of 0.01 mm
B 0.02 mm to 1 mm in steps of 0.02 mm
C 0.03 mm to 1 mm in steps of 0.01 mm
D 0.04 mm to 1 mm in steps of 0.01 mm
Correct Answer:- B 0.02 mm to 1 mm in steps of 0.02 mm
134 What is the height of slip gauge (q = 25° = 0.4226)?
A 41.26 B 42.26 C 43.26 D 44.26
Correct Answer:- B 42.26
135 What is the instrument used for measuring internal diameter of work piece?
A Parallel leg caliper
B Outside caliper
C Pair of special jaws by using slip gauge
D Vernier caliper
Correct Answer:- C Pair of special jaws by using slip gauge
136 What is the calibration grade of slip gauges?
A Grade 0 B Grade 00 C Grade I D Grade II
Correct Answer:- B Grade 00
138 What is the method of build of size using slip gauge?
A Wringing B Sliding C Glazing D Loading
Correct Answer:- A Wringing
139 What is the gauge used?
A Thread ring gauge
B Thread plug gauge
C Screw pitch gauge
D Thread caliper gauge
Correct Answer:- B Thread plug gauge
140 What is the purpose of ring gauge?
A Check the outside diameter
B Check the holes diameter
C Check the tapered shaft diameter
D Check the outside threads
Correct Answer:- A Check the outside diameter
141 What is the range of size in individual radius gauges?
A Step of 1mm B Step of 0.5mm C Step of 1.5mm D Step of 2mm
Correct Answer:- A Step of 1mm
142 What is the gauge to check acceptable size on external diameter of a shaft?
A Ring gauge - Go
B Plug gauge - Go
C Ring gauge - No Go
D Plug gauge - No Go
Correct Answer:- A Ring gauge - Go
143 What is the finishing process carried out with abrasive sticks to correct the profile of internal cylindrical surfaces?
A Lapping
B Honing
C Grinding
D Filing
Correct Answer:- B Honing
144 Which lapping material used for easy charging and rapid cutting?
A Cast iron
B Copper and brass
C Close grained iron
D White cast iron
Correct Answer:- B Copper and brass
145 Which lap material is inexpensive and can be expanded if worn out?
A Brass
B Cast iron
C Lead
D Bronze
Correct Answer:- D Bronze
146 Which type of abrasive material is externally hard and used in lapping for heavy stock removal?
A Silicon carbide
B Aluminium oxide
C Boron carbide
D Diamond
Correct Answer:- A Silicon carbide
147 Which abrasive is used for lapping dies and gauges?
A Boron carbide
B Silicon carbide
C Diamond |
D Aluminium oxide
Correct Answer:- A Boron carbide
148 Which is the hardest of all abrasive material and used for lapping tungsten carbide?
A Silicon carbide
B Boron carbide
C Diamond
D Aluminium oxide
Correct Answer:- C Diamond
149 What is the abrasive used for lapping accurately finishing very small holes?
A Silicon carbide
B Diamond
C Boron carbide
D Aluminium oxide
Correct Answer:- B Diamond
150 What is the purpose of lapping vehicles?
A Regulate cutting action and lubricate surface
B Medium effective operation
C Decrease dimensional accuracy
D Decrease cutting ability
Correct Answer:- A Regulate cutting action and lubricate surface
151 Which lapping vehicle is used for lapping copper and its alloys?
A Vegetable oil
B Machine oil
C Soluble oil
D Petroleum jelly
152 What is the purpose of lapping tool?
A Lapping tool for external surface
B Lapping tool for internal surface
C Lapping tool for external cylindrical surface
D Lapping tool for internal cylindrical surface
Correct Answer:- C Lapping tool for external cylindrical surface
153 What is the temperature that change of structure to austenite starts at 723° in heat treatment process?
A Lower critical temperature
B Upper critical temperature
C Melting temperature
D Critical temperature
Correct Answer:- A Lower critical temperature
154 What is the process if hot steel is cooled slowly the old structure is retained and it will have fine grains that makes it easily machined?
A Annealing
B Hardening
C Tempering
D Correct Answer:-
155 What is the name if hot steel cooled rapidly to form a new structure ?
A Ferrite
B Austenite
C Martensite
D Pearlite
Correct Answer:- C Martensite
156 What is the process to add cutting ability and wear resistance on steel?
A Tempering
B Annealing
C Normalising
D Hardening
Correct Answer:- D Hardening
157 What is the heat treatment process to remove extreme brittleness and induce toughness and shock resistance in steel?
A Tempering
B Annealing
C Normalising
D Hardening
Correct Answer:- A Tempering
158 What is the process of steel being heated to required temperature and held in the same temperature for a period of time?
A Soaking
B Heating
C Quenching
D Hardening
Correct Answer:- A Soaking
159 What is the purpose of brine solution, water, oil and air used in heat treatment process?
A Soaking
B Quenching
C Heating
D Austenite
Correct Answer:- B Quenching
160 What quenching media is used for special alloy steels?
A Brine solution
B Water
C Oil
D Cold Air
Correct Answer:- D Cold Air
161 What is the heat treatment process of reheating the hardened steel to a temperature below 400°C followed by cooling?
A Tempering
B Hardening
C Annealing
D Normalising
Correct Answer:- A Tempering
162 What is the advantage of annealing ?
A To relieve the internal stress
B To add cutting ability
C To refine the grain structure of the steel
D To increase wear resistance
Correct Answer:- A To relieve the internal stress
163 What is the process of removing the internal defects of steel components?
A Annealing
B Normalising
C Hardened
D Tempering
Correct Answer:- B Normalising
164 Which key is used for transmitting light torque?
A Saddle key
B Woodruff key
C Gib head key
D Feather key
Correct Answer:- B Woodruff key
165 How the mechanical properties of steel like strength, toughness, ductility are affected?
A By tempering
B By hardening
C By annealing
D By normalising
Correct Answer:- B By hardening
166 Which bearing material has poor thermal conductivity?
A Nylon
B Teflon
C Sintered alloys
D Laminated phenolics
Correct Answer:- D Laminated phenolics
167 What is the purpose of deep groove type of ball races provided in the ball bearing?
A To withstand shock
B To carry journal loads
C To withstand axial thrust
D To withstand radial load
Correct Answer:- C To withstand axial thrust
168 Why the double row roller bearing is used?
A To take axial load
B To take radial load
C To take heavy axial load
D To take heavy radial load
Correct Answer:- D To take heavy radial load
169 Why the melting point of bearing material should be lower than that of the shaft? |
A Prevents shaft seizure
B Prevent damage to bearing
C Allow the bearing to run efficiently
D Prevent thermal expansion of shaft
Correct Answer:- A Prevents shaft seizure
170 What is the name of washer?
A Internal type washer
B External type washer
C Internal and External washer
D Counter sunk washer
Correct Answer:- C Internal and External washer
171 Which alloying metal bearing can work at higher temperature and higher load carrying capacity?
A Cast iron
B White metal
C Copper lead alloys
D Cadmium based alloy
Correct Answer:- D Cadmium based alloy
172 What is the method of metal coating?
A Cladding
B Sherardising
C Galvanising
D Electroplating
Correct Answer:- D Electroplating
173 Which metal is used in electroplating to the metal surface to resist corrosion for long period and to retain high polish?
A Lead
B Nickel
C Chromium
D Aluminium Correct Answer:- C Chromium
174 Which metal protects corrosion resistant and does not crack or peel off due to temperature variation on coating?
A Zinc
B Nickel
C Copper
D Chromium
Correct Answer:- A Zinc
175 Which corrosion resistant metal is used in chemical plant and food processing?
A Lead
B Copper
C Aluminium
D Stainless steel
Correct Answer:- D Stainless steel
176 What is the purpose of thrust ball bearing?
A Axial load
B Radial load
C Axial thrust load
D Vertical thrust load
Correct Answer:- D Vertical thrust load
177 What is the name of bearing?
A Needle bearing
B Thrust ball bearing
C Taper roller bearing
D Angular contact ball bearing
Correct Answer:- A Needle bearing
178 Which bearing material is used in connecting rod and electrical motors?
A White metal
B Sintered alloy
C Aluminium alloy
D Copper lead alloy Correct Answer:- D Copper lead alloy
179 What is the operation of a metal coated with other metal to obtain protecting surface?
A Cladding B Galvanising
C Cementation
D Electroplating
Correct Answer:- D Electroplating
180 Which metal powder is used in calorising process to prevent corrosion?
A Zinc powder
B Nickel powder
C Chromium powder
D Aluminium powder
Correct Answer:- C Chromium powder
181 What is the temperature required to process the chromising for prevention of corrosion?A 900 to 1100°C B 1000 to 1100°C C 1100 to 1200°C D 1300 to 1400°C
Correct Answer:- D 1300 to 1400°C
182 Which metal has high resistance to chemical reaction?
A Lead
B Nickel
C Copper
D Aluminium
Correct Answer:- B Nickel
183 What is the name of part marked ‘X’?
A Ball case
B Inner race
C Outer race
D Ball separating gauge
Correct Answer:- D Ball separating gauge
184 Which bearing material is used for light loading and low speed application?
A Cast iron
B Tin bronze
C Cadmium based alloy
D Copper and lead alloys
Correct Answer:- A Cast iron
185 What is the disadvantage of thrust ball bearing?
A Cannot take any radial load
B Cannot take horizontal end thrust
C Cannot take load on both directions
D Cannot take any vertical thrust load
Correct Answer:- B Cannot take horizontal end thrust
186 Why deep groove type of ball races provided in the ball bearing?
A Withstand shock
B Withstand axial thrust
C Withstand radial load
D Carry journal loads
Correct Answer:- B Withstand axial thrust
187 Which bearing carry the load parallel to its bearing axis?
A Split bearing
B Plain bearing
C Thrust bearing
D Radial bearing
Correct Answer:- C Thrust bearing
188 Which bearing material is best suited for hard journals?
A Sintered alloy
B Aluminium alloy
C Copper lead alloy
D Cadmium based alloy
Correct Answer:- B Aluminium alloy
189 Which bearing material has low co-efficient of friction and high material cost?
A Nylon
B Teflon
C Thrust ball bearing
D Laminated phenolics
Correct Answer:- B Teflon
190 Which type of bearing used for taking high axial thrust load?
A Roller bearing
B Tapered roller bearing
C Self align roller bearing
D Angular contact ball bearing
Correct Answer:- B Tapered roller bearing
191 What is the name of bearing?
A Split bearing
B Solid bearing
C Thrust bearing
D Journal bearing
Correct Answer:- B Solid bearing
192 What is the name of bearing?
A Ball bearing
B Roller bearing
C Thrust bearing
D Journal bearing
Correct Answer:- D Journal bearing
193 What is the name of bearing?
A Split bearing
B Bush bearing
C Solid bearing
D Journal bearing
Correct Answer:- A Split bearing
194 What is the part marked as ‘x’ in the bearing?
A Outer race
B Ball cage
C Inner race
D Rolling elements
Correct Answer:- B Ball cage
195 Which type of bearing used for very heavy radial load?
A Ball bearing
B Bush bearing
C Needle bearing
D Double row roller bearing
Correct Answer:- D Double row roller bearing
196 Which type of bearing is designed to take axial thrust as well as radial loads?
A Ball bearing
B Roller bearing
C Taper roller bearing
D Angular contact ball bearing
Correct Answer:- D Angular contact ball bearing
197 What is the name of instrument?
A Depth vernier gauge
B Vernier height gauge
C Clamp type height gauge
D Height gauge with slip gauge holder
Correct Answer:- D Height gauge with slip gauge holder
199 Which type of bearing metal is self lubricated?
A White metal
B Sintered alloy
C Aluminium alloy
D Cadmium based alloy
Correct Answer:- B Sintered alloy
200 Which bearing is used in the limited space?
A Needle bearing
B Thrust ball bearing
C Taper roller bearing
D Angular contact ball bearing
Correct Answer:- A Needle bearing
191 What is the name of bearing?
A Split bearing
B Solid bearing
C Thrust bearing
D Journal bearing
Correct Answer:- B Solid bearing
192 What is the name of bearing?
A Ball bearing
B Roller bearing
C Thrust bearing
D Journal bearing
Correct Answer:- D Journal bearing
193 What is the name of bearing?
A Split bearing
B Bush bearing
C Solid bearing
D Journal bearing
Correct Answer:- A Split bearing
194 What is the part marked as ‘x’ in the bearing?
A Outer race
B Ball cage
C Inner race
D Rolling elements
Correct Answer:- B Ball cage
195 Which type of bearing used for very heavy radial load?
A Ball bearing
B Bush bearing
C Needle bearing
D Double row roller bearing
Correct Answer:- D Double row roller bearing
196 Which type of bearing is designed to take axial thrust as well as radial loads?
A Ball bearing
B Roller bearing
C Taper roller bearing
D Angular contact ball bearing
Correct Answer:- D Angular contact ball bearing
197 What is the name of instrument?
A Depth vernier gauge
B Vernier height gauge
C Clamp type height gauge
D Height gauge with slip gauge holder
Correct Answer:- D Height gauge with slip gauge holder
199 Which type of bearing metal is self lubricated?
A White metal
B Sintered alloy
C Aluminium alloy
D Cadmium based alloy
Correct Answer:- B Sintered alloy
200 Which bearing is used in the limited space?
A Needle bearing
B Thrust ball bearing
C Taper roller bearing
D Angular contact ball bearing
Correct Answer:- A Needle bearing
201 Which bearing loading is at right angles to the bearing axis?
A Thrust bearing
B Journal bearing
C Solid bearing
D Split bearing
Correct Answer:-B Journal bearing
202 Which type of bearing has provision for wear adjustment?
A Adjustable slide bearing
B Thrust ball bearing
C Tapered roller bearing
D Self aligned bush bearing
Correct Answer:-A Adjustable slide bearing
A Feather key
B Gib head key
C Woodruff key
D Flat saddle key
Correct Answer:- C Woodruff key
204 Which part of ball bearing do not rotate along the bearing assembly?
A Ball cage
B Inner race
C Outer race
D Rolling elements
Correct Answer:- C Outer race
205 Why extra clearance is provided between bearing and journal in the aluminium alloy bearing?
A To allow lubricant to flow freely
B To overcome leaner expansion
C To over come co-efficient expansion
D To overcome high thermal expansion
Correct Answer:- D To overcome high thermal expansion
206 How bunching up of rolling elements avoided in the bearing assembly?
A By cage
B By grooves
C By out race
D By inner race
Correct Answer:- A By cage
207 What is the angle of deviations provided on elbows and bends in pipe works?
A 90° and 45° B 30° and 60° C 20° and 40° D 60° and 45°
Correct Answer:- A 90° and 45°
208 How the water flow is stopped from the valve around the stuffing box?
A Replace the spindle
B Tightening the bonnet
C Tightening the hand wheel
D Packing with asbestos hemp
Correct Answer:- D Packing with asbestos hemp
209 What is the position of eccentric reducer are used in pipe lines?
A Vertical position
B Angular position
C Radius position
D Horizontal position
Correct Answer:- D Horizontal position
210 What is the remedial measure to stop the dripping of water from house hold tap even after firmly closed?
A Replace the tap
B Replace washer
C Renew tap spindle
D Tighten stuffing box
Correct Answer:- B Replace washer
211 How pipes are classified?
A Uses
B Colour
C Shapes
D Material
Correct Answer:- D Material
212 What is the name of the pipe fitting?
A 45° elbow
B Tee joint pipe
C Short radius elbow
D Long radius elbow
Correct Answer:- A 45° elbow
213 What is the name of the pipe fitting?
A Tee joint
B Eccentric reducer
C Reducer tee joint
D Concentric reducer
Correct Answer:- C Reducer tee joint
214 What is the name of the pipe fitting?
A Coupling
B Long nipple
C Eccentric reducer
D Concentric reducer
Correct Answer:- C Eccentric reducer
215 Which standard pipe fitting is used to close a pipe line having internal thread?
A Plug
B Cap
C Reducer
D Coupling
Correct Answer:- A Plug
216 Which type of wrench is used for more than 50 mm diameter pipe to tight with heavy gripping?
A Strap wrench
B Foot print wrench
C Chain pipe wrench
D Stillson pipe wrench
Correct Answer:- C Chain pipe wrench
217 What is the name of part marked as ‘x’ in the pipe joint?
A Outer pipe
B Hemp packing
C Tapered male thread
D Parallel female thread
Correct Answer:- B Hemp packing
218 What is the name of part marked as ‘x’?
A Bonnet
B Packing
C Gland nut
D Shaft or spindle
Correct Answer:- D Shaft or spindle
219 What is the remedy if the spindle rotates continuously so that the gate valve is not closed?
A Replace the valve
B Tighten the gland nut
C Replace the worn out part
D Renew the gland packing
Correct Answer:- C Replace the worn out part
220 Which type of pipe joint take branch at 90°?
A Coupling
B Tee branch
C Eccentric reducer
D Concentric reducer
221 What is the name of the plumber tool to assemble or dismantle pipes of 50 mm to 150 mm diameter?
A Strap wrench
B Chain pipe wrench
C Stillson pipe wrench
D Foot point pipe wrench
Correct Answer:- B Chain pipe wrench
222 What is the name of pipe line symbol?
A Socket
B Plug or cap
C Union screwed
D Reducer concentric
Correct Answer:- D Reducer concentric
223 What is the type of visual pipe inspection at 30° angle between the plane of vision and surface?
A Direct visual testing
B Remote visual testing
C Translucent visual testing
D Transparent visual testing
Correct Answer:- A Direct visual testing
224 Where concentric reducer is used in pipeline?
A Vertical
B Horizontal
C Reduce the pressure
D Drive the flow direction
Correct Answer:- A Vertical
225 What is the name of part marked as ‘X’ in water tap?
A Handle
B Bonnet
C Gland nut
D Valve seat
Correct Answer:- D Valve seat
226 Which valve is used to permit fluid flow in one direction only?
A Plug-cock
B Needle valve
C Non-return valve
D Pressure regulator valve
Correct Answer:- C Non-return valve
227 Which type of wrench is used on finished tubular surface?
A Strap wrench
B Foot point wrench
C Chain pipe wrench
D Stillson pipe wrench
Correct Answer:- A Strap wrench
228 What is the name of part marked as X?
A Cutter wheel
B Adjusting screw
C Guide rollers
D Hand lever
Correct Answer:- A Cutter wheel
229 What is the capacity of the pipe vice to hold pipes diameter in mm?
A 68 mm B 65 mm C 63 mm D 72 mm
Correct Answer:- C 63 mm
230 What is the type of wrench?
A footprint wrench
B strap wrench
C chain pipe wrench
D pipe wrench
Correct Answer:- B strap wrench
231 What is the minimum diameter of pipe used with chain wrench?
A 25 mm B 50 mm C 30 mm D 45 mm
Correct Answer:- B 50 mm
232 What is the range of external pipe threads cut by pipe dies?
A ½” to 4”
B ¼” to 4”
C 1/8” to 2”
D ¼” to 6”
Correct Answer:- B ¼” to 4”
233 What is the part marked as ‘x’? |
A Pivot
B Spring
C Movable jaw
D Adjusting nut
Correct Answer:- D Adjusting nut
234 Which pipe fitting is used to divert the flow direction of pipe?
A Union
B Plug
C Elbow
D Coupling
Correct Answer:- C Elbow
235 What is the pipe fitting of 90° and its branches may be equal in diameter?
A Tee joint
B Elbow joint
C Coupling joint
D Union joint
Correct Answer:- A Tee joint
236 What is the pipe fitting?
A Reducer
B Nipple
C Cap
D Plug
Correct Answer:- C Cap
237 What is the pipe fitting?
A Caps
B Plug
C Coupling
D Reducer
Correct Answer:- D Reducer
238 Which valve is used to control flow and is only kept in either open or closed position?
A Gate valve
B Globe valve
C Needle valve
D Non-return valve
Correct Answer:- A Gate valve
239 Where universal coupling is used?
A Automobile vehicles
B Textiles mills
C Engineering machines
D Large angle drive
Correct Answer:- A Automobile vehicles
240 Which type of coupling is used on vehicle propeller shaft?
A Plate coupling
B Clamp coupling
C Slip type coupling
D Universal coupling
Correct Answer:- D Universal coupling
241 What is the radius size for long radius elbow?
A Equal the bore the pipe
B 1 ½ times bore of the pipe
C 3 time bore of the pipe
D 2 times bore of the pipe
Correct Answer:- B 1 ½ times bore of the pipe
242 What is the radius size for the short radius elbow?
A 1 ½ time bore of the pipe
B Equal to bore of the pipe
C 3 time bore of the pipe
D 2 time bore of the pipe
Correct Answer:- B Equal to bore of the pipe
243 Which is used to divert at 45°in pipeline?
A Elbow
B Coupling
C Reducer
D Branch
Correct Answer:- A Elbow
244 Which standard fitting is used for joining pipeline of different diameter?
A Plug
B Caps
C Reducer
D Coupling
Correct Answer:- C Reducer
245 What type of fitting is used in straight pipeline to connect two pipes of external threads?
A Reducer
B Coupling
C Cap
D Nipple
Correct Answer:- B Coupling
246 What is the cause of water dripping from the tap even after closed?
A Defective washer
B Spindle thread wornout
C Bend spindle
D Loose valve
Correct Answer:- A Defective washer
247 What causes loud noise in the tap if turned ON?
A Spindle bend
B Spindle thread wornout
C Stuffing box packing dry
D Valve loose on spindle
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