FITTER SEM-3 (126-247)

 FITTER Q&A MCQ SEM-3

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

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 


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 


203 What is the type of key?

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 
Correct Answer:- B Tee branch 

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
Correct Answer:- D Valve loose on spindle

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