Fitter Theory 1st Year NIMI Question Bank prepared as per latest syllabus, an essential study resource for CBT exam preparation.
ITI Engineering Drawing 1st Year NIMI Question Bank PDF – All Modules for CBT Exam
Fitter Theory 1st Year NIMI Question Bank is prepared according to the latest NIMI syllabus for ITI students. It includes exam-oriented theory questions and MCQs, making it an ideal resource for CBT exam preparation, practice, revision, and improving accuracy, confidence, and overall performance.
Q.1. Which one is the personal safety?
[A] Keep the machine clean
[B] Concentrate on your work
[C] Keep the gang way and floor clean
[D] Keep the tools at their proper place
Q.2. Flammable of liquifiables solids are classified as.
[A] Class A fire
[B] Class B fire
[C] Class C fire
[D] Class D fire
Q.3. Which is the immediate life saving procedure?
[A] First Aid
[B] Call a doctor
[C] Intensive care
[D] Medical treatment
Q.4. Name the warning sign.
[A] School
[B] Guarded
[C] Unguarded
[D] Pedestrian crossing
Q.5. Name the mandatory symbol.
[A] Stop
[B] Give way
[C] Guarded
[D] Unguarded
Q.6. Which fire extinguisher filled with carbon tetra chloride and bromochlorodifluoromethane (BCF)?
[A] Carbon dioxide
[B] Halon extinguisher
[C] Foam extinguisher
[D] Dry powder extinguisher
Q.7. Which comes under mechanical occupational hazards?
[A] Noise
[B] Toxic
[C] Unskilled
[D] Unguarded machinery
Q.8. How to stop bleeding of injured person?
[A] Tie bandage
[B] Apply oinment
[C] Apply tincture over the wound
[D] Apply pressure over the wound
Q.9. What is the name of sign?
[A] School
[B] Guarded
[C] Unguarded
[D] Pedestrian crossing
Q.10. What are the three factors causes fire?
[A] Fuel, Heat, Oxygen
[B] Oxygen, Fuel, Nitrogen
[C] Heat, Nitrogen, Oxygen
[D] Fuel, Carbon-dioxide, Heat
Q.11. What is the period referred as golden hours?
[A] First 30 minutes after incident
[B] First 30 minutes
[C] First 45 minutes of admission
[D] First 60 minutes after treatment
Q.12. What is the first step of avoiding accident in work place?
[A] By wearing safety equipment
[B] Doing things in one s own way
[C] By observing safety precautions
[D] Doing things with a highly skilled working practice
Q.13. What does the symbol denotes?
[A] Stop
[B] Give way
[C] Pedestrian crossing
[D] Over taking prohibited
Q.14. What is the colour code of bins for waste paper segregation?
[A] Red
[B] Blue
[C] Black
[D] Green
Q.15. What is the kind of road sign?
[A] Police signal
[B] Cautionary sign
[C] Mandatory sign
[D] Information sign
Q.16. Which fire extinguisher is used for flammable and running liquid fire?
[A] Foam extinguisher
[B] Halon extinguisher
[C] Dry powder extinguisher
[D] Carbon dioxide (CO2) extinguisher
Q.17. What A denotes in ABC of first aid?
[A] Air way
[B] Attention
[C] Arresting
[D] Atmosphere
Q.18. What is the process of breaking down the materials into organic compounds and can be used as manure?
[A] Land fills
[B] Recycling
[C] Composting
[D] Burning waste material
Q.19. What is the colour code for plastic waste bin?
[A] Red
[B] Blue
[C] Green
[D] Yellow
Q.20. Name the part of file marked as x .
[A] Heel
[B] Tang
[C] Ferrule
[D] File length
Q.21. What is the use of a try square?
[A] To check right angle
[B] To check acute angle
[C] To check obtuse angle
[D] To check straight angle
Q.22. Which marking media is poisonous?
[A] Prussian blue
[B] Cellulose lacquer
[C] White wash
[D] Copper sulphate
Q.23. Which part of universal surface gauge holds the scriber?
[A] Snug
[B] Guide pin
[C] Rocker arm
[D] Fine adjustment screw
Q.24. What is the name of the vice?
[A] Pin vice
[B] Pipe vice
[C] Hand vice
[D] Quick releasing vice
Q.25. A new hacksaw blade after a few stroke, becomes loose because of?
[A] stretching of blade
[B] wrong pitch of the blade
[C] improper selection of saw sets
[D] nut thread being worn out
Q.26. Why breakage of teeth occur easily while sawing of thin walled work pieces and the start of cut?
[A] Hand force is too big
[B] Cutting section is too short
[C] Coarse blade to be used
[D] Hand force acts only upon few teeth
Q.27. Which chisel used for squaring materials at the corners, joints?
[A] Flat chisel
[B] Cross cut chisel
[C] Diamond point chisel
[D] Half round nose chisels
Q.28. Name the part of a hammer marked as x .
[A] Face
[B] Pein
[C] Cheek
[D] Eye hole
Q.29. Which angle is represented by the symbol g on the cutting chisel ?
[A] Rake angle
[B] Wedge angle
[C] Cutting angle
[D] Clearance angle
Q.30. Name the property of metal which can be drawn into wire without rupture.
[A] Ductility
[B] Tenacity
[C] Elasticity
[D] Malleability
Q.31. What is the spindle movement of one division of thimble with spindle thread of 0.5mm pitch?
[A] 0.01 mm
[B] 0.10 mm
[C] 1.00 mm
[D] 10.0 mm
Q.32. What is the reading of a vernier caliper?
[A] 35.1 mm
[B] 35.2 mm
[C] 35.3 mm
[D] 35.4 mm
Q.33. What is the use of feeler gauge?
[A] Check the width
[B] Check the height
[C] Check the length
[D] Check the gap between the mating parts
Q.34. What operation is carried out in a gang drilling machine?
[A] Idle operation
[B] Repeated operation of drilling
[C] Continuous milling operation
[D Successive operation of drilling
Q.35. Which is an integral part of the stock in vernier bevel protractor ?
[A] Disc
[B] Dial
[C] Blade
[D] Main scale
Q.36. Name the part marked as x of the file.
[A] Heel
[B] Edge
[C] Ferrule
[D] Shoulder
Q.37. Which file has the parallel edges throughout the length ?
[A] Hand file
[B] Bastard file
[C] Rasp cut file
[D] Single cut file
Q.38. What is the material to manfacture bench vice ?
[A] Tool steel
[B] High carbon steel
[C] Medium carbon steel
[D] Cast iron
Q.39. Which marking media provide clear lines on machine finished surfaces ?
[A] White wash
[B] Prussian blue
[C] Copper sulphate
[D] Cellulose lacquer
Q.40. What is the purpose of slots provided in the slotted angle plate ?
[A] Job clamping
[B] Easy handling
[C] Reduce weight
[D] Better appearance
Q.41. Which caliper is used to mark the centre of round bar ?
[A] Jenny caliper
[B] Inside caliper
[C] Outside caliper
[D] Firm joint caliper
Q.42. Name the part marked as x .
[A] Leg
[B] Peg
[C] Washer
[D] Fulcrum
Q.43. Name the angular measuring instrument.
[A] Bevel gauge
[B] Bevel protractor
[C] Universal bevel gauge
[D] Universal surface gauge
Q.44. Which is used for filling narrow grooves and angles above 10° ?
[A] Square file
[B] Half round file
[C] Triangular file
[D] Knife edge file
Q.45. Name the defect that causes the metal chips to clog between the teeth of file ?
[A] File bite
[B] Pinning of file
[C] Warping of file
[D] Glazing of file
Q.46. Which chisel is used for cutting oil grooves ?
[A Flat chisel
[B] Web chisel
[C] Half round nose chisel
[D] Diamond point chisel
Q.47. Name the file.
[A] Barrot file
[B] Riffler file
[C] Crossing file
[D] Mill saw file
Q.48. What is the name of vice?
[A] Pin vice
[B] Pipe vice
[C] Hand vice
[D] Machine vice
Q.49. Which grinding machine is used for heavy duty work?
[A] Bench grinder
[B] Portable grinder
[C] Pedestal grinder
[D] Surface grinder
Q.50. Which chisel is used for separating materials after chain drilling?
[A] Web chisel
[B] Flat chisel
[C Cross cut chisel
[D] Diamond point chisel
Q.51. Which file is used for sharpening the teeth of wood working saws?
[A] Barrete file
[B] Tinker s file
[C] Millsaw file
[D] Riffler file
Q.52. Where will be the weight of the hammer stamped?
[A] Face
[B] Pein
[C] Cheek
[D] Eye hole
Q.53. What will be the effect if the clearance angle of chisel is less than recommended angle while chipping?
[A] Cutting edge cannot penetrate, chisel will slip
[B] Cutting edge digs in, cut will be deeper
[C] Cutting edge will break
[D] Cutting edge of chisel move freely on straight line
Q.54. Name the property of metal to resist the effect of tensile forces without rupture?
[A] Ductility
[B] Tenacity
[C] Elasticity
[D] Malleability
Q.55. Name the part marked as x .
[A] Anvil
[B] Thimble
[C] Spindle
[D] Spindle lock
Q.56. What is the accuracy of metric outside micrometer?
[A] 0.01 mm
[B] 0.001 mm
[C] 0.02 mm
[D] 0.002 mm
Q.57. Name the part marked as x .
[A] Lip
[B] Land
[C] Flank
[D] Point angle
Q.58. Which type of taper is provided in the drill shank?
[A] Pin taper
[B] Metric taper
[C] Morse taper
[D] Jerno taper
Q.59. Which is used to remove drills and sockets from the machine spindle?
[A] Drift
[B] Sleeve
[C] Punch
[D] Hammer
Q.60. Name the tap wrench used in the restricted place.
[A] Box type tap wrench
[B] T handle tap wrench
[C] Solid type tap wrench
[D] Double ended adjustable tap wrench
Q.61. In the ISO metric thread, calculate the tap drill size for M 10 x 1.5 thread.
[A] 8.2 mm
[B] 8.7 mm
[C] 8.75 mm
[D] 8.65 mm
Q.62. What is the unit of feed in drilling operation?
[A] m/rev
[B] mm/rev
[C] m/min
[D] mm/min
Q.63. Name the part marked as x in vernier caliper.
[A] Beam
[B] Fixed bar
[C] Depth bar
[D] Thumb lever
Q.64. What is the accuracy of protractor head in combination set?
[A] 1°
[B] 5°
[C] 5′
[D] 5″
Q.65. What is the accuracy of a try square?
[A] 0.02 mm per 10 mm length
[B] 0.004 mm per 10 mm length
[C] 0.002 mm per 10 mm length
[D] 0.001 mm per 10 mm length
Q.66. Which punch is used for witness marks?
[A] Dot punch
[B] Pin punch
[C] Bell punch
[D] Centre punch
Q.67. What is the name of the caliper having one leg with an adjustable divider point and other leg is bent?
[A] Jenny caliper
[B] Inside caliper
[C] Outside caliper
[D] Spring joint caliper
Q.68. What is the name of the caliper having one leg with an adjustable divider point and other leg is bent?
[A] Jenny caliper
[B] Inside caliper
[C] Outside caliper
[D] Spring joint caliper
Q.69. What is the name of part marked as x in surface gauge?
[A] Nut
[B] Snug
[C] Spindle
[D] Scriber
Q.70. What is the name of part marked as x in combination set?
[A] Bevel head
[B] Centre head
[C] Square head
[D] Protractor head
Q.71. Which type of datum is followed?
[A] Edge datum
[B] Point datum
[C] Centre line datum
[D] Reference line datum
Q.72. What is the name of parallel block?
[A] Solid parallel block
[B] Tenon parallel block
[C] Angular parallel block
[D] Adjustable parallel block
Q.73. Which material is used to manufacture grade A V blocks?
[A] Tool steel
[B] Carbon steel
[C] High quality steel
[D] Closely grained cast iron
Q.74. Which chisel is used for removing materials on the corners of the keyways?
[A] Flat chisel
[B] Diamond point chisel
[C] Cross cut chisel
[D] Half round nose chisel
Q.75. Which file is having rows of teeth cut in one direction?
[A] Single cut file
[B] Curved cut file
[C] Second cut file
[D] Double cut file
Q.76. Which file is used for filing wood andleather?
[A Hand file
[B] Bastard file
[C] Rasp cut file
[D] Single cut file
Q.77. Why the cutting faces of files are slightly bellied on length wise?
[A] Get proper grip over workpiece
[B] Filing flat surfaces is made easier
[C] Permit clearance between file face and the workpiece
[D] Ensure more pressure on workpiece while filing
Q.78. Which pitch of blade is used for cutting bronze, brass and cast iron?
[A] 0.80 mm
[B] 1.00 mm
[C] 1.40 mm
[D] 1.80 mm
Q.79. What happen if the clearance angle of chisel is too high?
[A] Slipping of chisel
[B] Digging on the surface
[C] Cutting edge will break
[D] Heavy metal removal from the surface
Q.80. Which type of hammer is used for riveting purpose?
[A] Sledge hammer
[B] Ball pein hammer
[C] Cross pein hammer
[D] Straight pein hammer
Q.81. What is the unit of cutting speed in drilling operation?
[A] m/ rev
[B] mm/ rev
[C] m/ min
[D] mm/ min
Q.82. What is the name of part marked as x in drill?
[A] Lip
[B] Land
[C] Flank
[D] Web
Q.83. What is the name of part marked as x in drilling machine?
[A] Drill chuck
[B] Feed handle
[C] Driving motor
[D] Depth gauge and stop
Q.84. What is the minor diameter of thread?
[A] Minor dia = Major dia (2 x pitch)
[B] Minor dia = Major dia + (2 x pitch)
[C] Minor dia = Major dia + (2 x depth)
[D] Minor dia = Major dia (2 x depth)
Q.85. What is the name of the part marked as X ?
[A] Spindle
[B] Sleeve
[C] Thimble
[D] Spindle lock
Q.86. What is the reading of the outside micrometer 50 to 75mm?
[A] 63.63 mm
[B] 63.00 mm
[C] 63.36 mm
[D] 63.13 mm
Q.87. What is the name of the part marked as X ?
[A] Beam
[B] Main scale
[C] Fine adjusting nut
[D] Fine adjusting slide
Q.88. What is the name of the vice?
[A] Hand vice
[B] Bench vice
[C] Tool maker s vice
[D] Quick releasing vice
Q.89. What is the name of the part marked as X ?
[A] Tip
[B] Heel
[C] Tang
[D] Safe edge
Q.90. What is the name of operation?
[A] Marking line at 90°
[B] Checking flatness
[C] Checking squareness
[D] Setting work piece at right angle
Q.91. Which marking media is applied to rough forgings and castings?
[A] White wash
[B] Prussian blue
[C] Copper sulphate
[D] Cellulose lacquer
Q.92. Which is used to finish the resharpened divider point?
[A] File
[B] Grinder
[C] Scraper
[D] Oil stone
Q.93. What is the use of bevel protractor?
[A] Check the length
[B] Set the work piece
[C] Measure the angle
[D] Measure the depth
Q.94. Name the file shown.
[A] Riffler file
[B] Tinkers file
[C] Barrette file
[D] Crossing file
Q.95. Which vice is used for holding hollow cylindrical jobs?
[A] Pin vice
[B] Pipe vice
[C] Hand vice
[D] Bench vice
Q.96. What is the pitch of hacksaw blade used to cut conduit and other thin tubes?
[A] 0.8mm
[B] 1.0mm
[C] 1.4mm
[D] 1.8mm
Q.97. Which metal cutting saw is used for cutting different profiles?
[A] Power saw
[B] Circular saw
[C] Contour band saw
[D] Horizontal band saw
Q.98. What is the reason for scratches produced on filed surface?
[A] Pinning
[B] Glazing
[C] File bite
[D] Warping
Q.99. What is the name of chisel?
[A] Flat chisel
[B] Web chisel
[C] Cross cut chisel
[D] Diamond point chisel
Q.100. Why slight convexity is given on the face of hammer?
[A To make effective striking
[B] To avoid digging of the edge
[C] To allow even load on striking
[D] To prevent damage to work surface
Q.101. What is the name of hammer?
[A] Mallet hammer
[B] Ball pein hammer
[C] Cross pein hammer
[D] Straight pein hammer
Q.102. What is the name of angle between the axis of chisel and job surface while chipping?
[A] Rake angle
[B] Point angle
[C] Clearance angle
[D] Angle of inclination
Q.103. What is the property of metal that permits no permanent distortion before breaking?
[A Tenacity
[B] Hardness
[C] Brittleness
[D] Toughness
Q.104. Name the part marked as x in depth micrometre.
[A] Cap
[B] Lock
[C] Stock
[D] Thimble
Q.105. Why the hand taps are chamfered at the lead?
[A] Aligning
[B] Finishing
[C] Strengthening
[D] Gripping
Q.106. What is the name of drilling machine?
[A] Pillar drilling machine
[B] Gang drilling machine
[C] Bench drilling machine
[D] Radial drilling machine
Q.107. What is the reading of an outside micrometer (British)?
[A] 0.309
[B] 0.329
[C] 0.359
[D] 0.360
Q.108. What is the accuracy of Vernier bevel protractor?
[A] 1°
[B] 5°
[C] 5′
[D] 5″
Q.109. What is the reading of vernier caliper?
[A] 30.20mm
[B] 30.40mm
[C] 35.20mm
[D] 35.50mm
Q.110. Why surface plates are made of stress relieved good quality cast iron?
[A] To prevent corrosion
[B] To prevent breaking
[C] To prevent distortion
[D] To prevent thermal expansion
Q.111. What is the main advantage of adjustable parallel block?
[A] To set different angle
[B] To set different depth
[C] To set different length
[D] To set different height
Q.112. Which part of universal surface gauge is used to set scriber at required position exactly?
[A] Snug
[B] Guide pin
[C] Rocker arm
[D] Fine adjustment screw
Q.113. Convert one metre into millimetre.
[A] 10 mm
[B] 100 mm
[C] 1000 mm
[D] 10000 mm
Q.114. What is the name of V block?
[A] V grooved V block
[B] Single level single groove V block
[C] Double level single groove V block
[D] Single level double groove V block
Q.115. What is the name of the part marked as x in combination set?
[A] Rule
[B] Scriber
[C] Clamp nut
[D] Spirit level
Q.116. Which caliper is used to find the centre of round bars?
[A] Inside caliper
[B] Jenny caliper
[C] Vernier caliper
[D] Outside caliper
Q.117. What is the name of angle marked a in chisel?
[A] Rake angle
[B] Wedge angle
[C] Cutting angle
[D] Clearance angle
Q.118. Which chisel is used for cutting curved grooves?
[A] Flat chisel
[B] Web chisel
[C] Cross cut chisel
[D] Half round nose chisel
Q.119. What is the weight of hammer used for marking purpose?
[A] 200 grams
[B] 250 grams
[C] 300 grams
[D] 450 grams
Q.120. What is the effect of improper method of diagonal filing?
[A] Uneven surface finish
[B] Scratches on the surface
[C] Convexity on the surface
[D] Improper finish on surface
Q.121. Which chisel is used to remove excess metal from welded joint and castings?
[A] Flat chisel
[B] Web chisel
[C] Cross cut chisel
[D] Half round chisel
Q.122. What is the name of file?
[A] Rotary file
[B] Tinkers file
[C] Barrette file
[D] Crossing file
Q.123. Why chalk is applied on the face of the file?
[A] To reduce excessive pressure
[B] To increase chip removed rate
[C] To reduce penetration and pinning
[D] To increase penetration and pinning
Q.124. What is the use of fine pitch hacksaw blades?
[A] To cut soft metal
[B] To cut high speed steel
[C] To cut high carbon steel
[D] To cut conduit and other thin tubes
Q.125. Calculate the tap drill size for M10 x 1.25.
[A] 8.8 mm
[B] 8.7 mm
[C] 8.75 mm
[D] 8.65 mm
Q.126. What is the name of portion left between flutes in a drill?
[A] Lip
[B] Web
[C] Point
[D] Shank
Q.127. What is the reading of vernier bevel protractor?
[A]27°30′
[B]67° 30′
[C] 157° 30′
[D] 159° 30′
Q.128. Which part of outside micrometer ensure a uniform pressure between the measuring surface?
[A] Anvil
[B] Thimble
[C] Spindle lock
[D] Ratchet stop
Q.129. Which part of the vernier height gauge is an intergral part of the main slide?
[A] Jaw
[B] Base
[C] Beam
[D] Jaw clamp
Q.130. What is the principle of micrometer?
[A] Sliding
[B] Screw and nut
[C] Rack and pinion
[D] Worm and worm wheel
Q.131. How the wide range of depth can be measured by depth micrometer?
[A] Lengthy sleeve
[B] Lengthy spindle
[C] Adjustable base
[D] Equipped with a set of extension rods
Q.132. What is the reading in inch micrometer?
[A] 0.789
[B] 0.787
[C] 0.783
[D] 0.715
Q.133. Which part of the bevel protractor contact with the inclined surface while measuring?
[A] Dial
[B] Disc
[C] Blade
[D] Stock
Q.134. Which part in drilling machine is to achieve different speed?
[A] Flat pulley
[B] Jockey pulley
[C] Stepped pulley
[D] Fast and loose pulley
Q.135. What is the part marked as x in pedestal grinder?
[A] Tool rest
[B] Eye shield
[C] Wheel guard
[D] Grinding wheel
Q.136. What is the name of file?
[A] Hand file
[B] Rasp cut file
[C] Single cut file
[D] Curved cut file
Q.137. What happens if the vice handle is over tightened?
[A] Spindle damage
[B] Hard jaw damage
[C] Fixed jaw damage
[D] Movable jaw damage
Q.138. Which caliper provide fine adjustment of dimensions?
[A] Inside caliper
[B] Odd leg caliper
[C] Outside caliper
[D] Spring joint caliper
Q.139. Which metal cutting saw is used to cut large cross section area?
[A] Power saw
[B] Contour saw
[C] Circular saw
[D] Horizontal band saw
Q.140. Why marking tables are made up of cast iron?
[A] Self lubricating
[B] Make more rigidity
[C] Maintain the accuracy
[D] Prevent thermal expansion
Q.141. What is the name of gauge?
[A] Bevel gauge
[B] Angle gauge
[C] Surface gauge
[D] Universal bevel gauge
Q.142. Which file is used for manufacturing of dies and moulds?
[A] Rotary file
[B] Tinkers file
[C] Barrette file
[D] Rasp cut file
Q.143. What is the method of removing metal chips clogged between the teeth of files?
[A] Brush
[B] Wire brush
[C] Copper strip
[D] Chalk powder
Q.144. Which vice is used for holding small work that requires filing or drilling?
[A] Pin vice
[B] Pipe vice
[C] Hand vice
[D] Tool maker s vice
Q.145. Which hacksaw blade is used for cutting along curved lines?
[A] HSS blade
[B] All hard blade
[C] Flexible blade
[D] Diamond blade
Q.146. Which chisel is used for cutting keyways?
[A] Flat chisel
[B] Cross cut chisel
[C] Punching chisel
[D] Diamond point chisel
Q.147. Name the part marked X in hammer?
[A] Pein
[B] Face
[C] Cheek
[D] Eye hole
Q.148. What is the purpose of Crowning on the cutting edge of chisel?
[A] Prevent slipping of chisel
[B] Prevent digging of corners
[C] Allow chisel to move freely on straight line
[D] Allow cutting edge to penetrate into the work
Q.149. How to prevent the tool rubbing against the work surface in metal cutting process?
[A] Decrease lip angle
[B] Increased rake angle
[C] Increase clearance angle
[D] Decrease tool wedge angle
Q.150. Name the property of metal that withstand shock or impact?
[A] Tenacity
[B] Hardness
[C] Brittleness
[D] Toughness
Q.151. Which part is the measuring face fitted to the frame of outside micrometer?
[A] Anvil
[B] Barrel
[C] Spindle
[D] Ratchet stop
Q.152. What is the name of micrometer?
[A] Depth micrometer
[B] Inside micrometer
[C] Vernier micrometer
[D] Outside micrometer
Q.153. How the drill chucks are held on the machine spindle?
[A] By arbor
[B] By sockets
[C] By sleeves
[D] By special clamp
Q.154. Which drilling machine, the spindle head is moved towards or away from the column?
[A] Pillar drilling machine
[B] Gang drilling machine
[C] Radial drilling machine
[D] Sensitive bench drilling machine
Q.155. Which type of screw threads are rounded at the crest and root?
[A] B.A thread
[B] B.S.F thread
[C] B.S.W thread
[D] ACME thread
Q.156. What is the name of tap wrench?
[A] Box type tap wrench
[B] Solid type tap wrench
[C] T Handle tap wrench
[D] Adjustable tap wrench
Q.157. What is the formula to calculate tap drill size?
[A] Tap drill size = Major dia (2 x depth)
[B] Tap drill size = Major dia + (2 x depth)
[C] Tap drill size = Major dia (2 + depth)
[D] Tap drill size = Major dia + (2 + depth)
Q.158. Which activity causes excessive wear and chattering of drill bit while drilling?
[A] Too fast feed rate
[B] Too slow feed rate
[C] More cutting speed
[D] Too slow spindle speed
Q.159. What is the reading of vernier caliper with inch graduations?
[A] 1.068
[B] 1.459
[C] 1.418
[D] 1.409
Q.160. Which part of combination set is used to mark and check angle of 90° and 45°?
[A] Rule
[B] Centre head
[C] Square head
[D] Protractor head
Q.161. Why ribs are provided in the angle plate?
[A] Provide flatness
[B] Prevent distortion
[C] Provide squareness
[D] Support the machined surface
Q.162. Identify the type of V blocks?
[A] Single level single groove
[B] Single level double groove
[C] Double level single groove
[D] Double level double groove
Q.163. How much carbon content of steel is forgeable?
[A] Up to 1.2 %
[B] Up to 1.7 %
[C] Up to 1.9 %
[D] Up to 2.1 %
Q.164. Which cutting fluid used for drilling in cast iron?
[A] Dry air jet
[B] Soluble oil
[C] Mineral oil
[D] Vegetable oil
Q.165. Name the part marked as x in radial drilling machine.
[A] Base
[B] Spindle
[C] Radial arm
[D] Spindle head
Q.166. Select the spindle speed (rpm) for H.S.S drill diameter 24 mm and cutting speed (V) = 30 m/min to drill mild steel.
[A] 275 rpm
[B] 300 rpm
[C] 400 rpm
[D] 450 rpm
Q.167. Which one is used to bring the plates closely together after inserting the rivet in the hole?
[A] Drift
[B] Dolly
[C] Rivet set
[D] Caulking tool
Q.168. What is the use of bent snips?
[A] Groove cut
[B] Zigzag cut
[C] Straight cut
[D] Circular cut
Q.169. How many flutes are these in Phillips screw driver?
[A] One
[B] Two
[C] Three
[D] Four
Q.170. Name the part of lever shear marked as x .
[A] Base plate
[B] Lever arm
[C] Lower blade
[D] Upper blade
Q.171. Name the sheet metal operation.
[A] Grooving
[B] Notching
[C] Bending
[D] Folding
Q.172. Name the zinc coated iron?
[A] Black iron
[B] Tinned iron
[C] Stainless steel
[D] Galvanised iron
Q.173. Calculate the weight of steel plate having length of 2000 mm, width of 500 mm, thickness of 4 mm and density of 7.85 g/cm3.
[A] 21.4 Kg
[B] 31.4 Kg
[C] 41.4 Kg
[D] 50.4 kg
Q.174. Which sheet metal is highly resistant to corrosion and abrasion?
[A] Copper
[B] Black iron
[C] Aluminium
[D] Galvanised iron
Q.175. What is the use of stakes in sheet metal work?
[A] Rest of work
[B] Supporting piece
[C] Sharpening
[D] Folding shapes
Q.176. What is the material of solder?
[A]Welding rod
[B] Synthetic element
[C] Pure metal or alloy
[D] Non metallic element
Q.177. Which flux used for soldering steel?
[A] Ammonium chloride
[B] Zinc chloride
[C] Resin
[D] Paste
Q.178. What is the purpose of groover?
[A] Releasing of seam
[B] Compress the seam
[C] Closing and locking of seam
[D] Stress relieving during seam operation
Q.179. What is the material used to manufacture rivets?
[A] Rubber
[B] Synthetic
[C] Hardened steel
[D] Mild steel
Q.180. Name the part marked as x in a rivet?
[A] Tail
[B] Body
[C] Head
[D]Diameter
Q.181. Which is the operation of covering area of the metal with molten solder?
[A] Pickling
[B] Swaging
[C] Seaming
[D] Tinning
Q.182. Which rivet is used in heavy structural work?
[A] Pan head rivet
[B] Snap head rivet
[C] Counter sunk rivet
[D] Conical head rivet
Q.183. What is the name of tool is used to support the snap head rivet?
[A] Dolly
[B] Drift
[C] Rivet set
[D] Rivet snap
Q.184. Name the riveting defect shown?
[A] Improper joining of plates
[B] Burrs between plates
[C] Rivet head not centred with the shank
[D] Body of the rivet not perpendicular to the plate
Q.185. Which tool used in sheet metal work to scribe a circle or arc with a large diameter?
[A] Spring compass
[B] Trammel
[C] Wing compass
[D] Ordinary compass
Q.186. Why burr form on the underside of the sheet metal while shearing?
[A] No clearance
[B] Hardened metal
[C] Increase in force
[D] Excessive clearance
Q.187. What is the name of part marked X ?
[A] Body
[B] Clamp
[C] Upper blade
[D] Lower blade
Q.188. What is the use of groover in sheet metal work?
[A] Releasing of seam
[B] Compress the seam
[C] Closing of seam
[D] Stress relieving during seam operation
Q.189. Which rivets are used in light assembly work?
[A] Pan head rivet
[B] Snap head rivet
[C] Counter sunk rivet
[D] Conical head rivet
Q.190. What is the tool used to form the other end of rivet head?
[A] Dolly
[B] Drift
[C] Rivet set
[D] Rivet snap
Q.191. What is the name of the notch in sheet metal work?
[A] V notch
[B] Slant notch
[C] Square notch
[D] Straight notch
Q.192. What type of mallet used for hollowing panel beating?
[A] Brass mallets
[B] Rubber mallets
[C] Wooden mallet
[D] Bossing mallets
Q.193. What is the fault in riveting?
[A] Burrs between plates
[B] Rivet head not centered
[C] Too much allowance given
[D] Holes on the plate are not in line
Q.194. Which stake is used to form an arc of a circle bevelled along one side?
[A] Funnel stake
[B] Hatchet stake
[C] Half moon stake
[D] Beak or bick iron
Q.195. What is the name of supporting tool in sheet metal work?
[A] Hatchet stake
[B] Funnel stake
[C] Half moon stake
[D] Round bottom stake
Q.196. What is the name of the joint in sheet metal?
[A] Grooved joint
[B] Pane down joint
[C] Knocked up joint
[D] Double grooved joint
Q.197. What is the maximum cutting capacity of snip?
[A] 1.2 mm thickness
[B] 2.0 mm thickness
[C]2.5 mm thickness
[D]3.0 mm thickness
Q.198. What is the name of supporting tool in sheet metal work?
[A] Funnel stake
[B] Hatchet stake
[C] Half moon stake
[D] Round bottom stake
Q.199. Which riveting tool is used to form the final shape of rivet?
[A] Drift
[B] Dolly
[C] Rivet set
[D] Rivet snap
Q.200. What is the name of riveting defect?
[A] Too little allowance on shank
[B] Too much allowance on shank
[C] Rivet head not centered with shank
[D] Head of rivet not perpendicular to shank
Q.201. Name the tool used to make fluid tight joint in riveting?
[A] Drift
[B] Rivet snap
[C] Fullering tool
[D] Caulking tool
Q.202. What is the name of tool used to cut thicker sheets?
[A] Bend snips
[B] Lever shears
[C] Straight snips
[D] Circle cutting machine
Q.203. Which stake is used for making sharp bends?
[A] Funnel stake
[B] Hatchet stake
[C] Half moon stake
[D] Beak or bick iron
Q.204. What is the name of stake?
[A] Horse
[B] Bick iron
[C] Funnel stake
[D] Creasing iron
Q.205. Which flux is used for soldering tin sheets?
[A] Resin
[B] Paste
[C] Zinc chloride
[D] Ammonium chloride
Q.206. What is the seam used in sheet metal joint for roofing and panelling?
[A] Lap seam
[B] Double seam
[C] Grooved seam
[D] Double grooved seam
Q.207. What is rivet interference?
[A] Thickness of sheet
[B] Diameter of the rivet
[C] Length to form the head
[D] Total rivet length required for riveting
Q.208. What is the purpose of hole marked as x ?
[A] Arrest the crack
[B] Allow clearance between the ends
[C] Make good appearance
[D] Facilitate easy bending
Q.209. What is the reason for faulty rivetting?
[A] Burrs between plates
[B] Too little allowance given
[C] Improper joining of plates
[D] Too much allowance given
Q.210. How the distance of first rivet is determined from the side edge?
[A] 3 x diameter of rivet
[B] 2 x diameter of rivet
[C] 2.5 x diameter of rivet
[D] 3.5 x diameter of rivet
Q.211. What is the part marked as x in the hand shearing machine?
[A Clamp
[B] Lever arm
[C] Lower blade
[D] Upper blade
Q.212. What is the advantage of stakes in sheet metal work?
[A] Sharpening
[B] Supporting
[C] Rest of workpiece
[D] Protect the tool from damage
Q.213. What is the tool marked as x in riveting?
[A] Dolly
[B] Rivet set
[C] Fullering tool
[D] Caulking tool
Q.214. What is the fault in riveting?
[A] Too little allowance
[B] Burrs between the plates
[C] Holes on the plate not in line
[D] Rivet body not perpendicular
Q.215. Which tool is used to make fluid-tight joint by pressing the riveted edge plate?
[A] Dolly
[B] Drift
[C] Caulking tool
[D] Fullering tool
Q.216. Why allowance is required while making various types of hems and seams?
[A] To make good appearance
[B] To prevent damage to the edges
[C] To prevent over lapping at the seam
[D] Maintain correct size and improve the strength
Q.217. Which sheet metal is easiest to joint and solder?
[A] Tinned plate
[B] Lead
[C] Galvanised iron
[D] Stainless sheet
Q.218. Which metal is very soft and heavy in sheet metal work?
[A] Lead
[B] Black iron
[C] Aluminium
[D] Copper sheet
Q.219. Which sheet metal withstand contact with water and exposure to weather?
[A] Black iron
[B] Copper sheet
[C] Stainless sheet
[D] Galvanised iron
Q.220. What is the purpose of drift in riveting operation?
[A] Position the rivet
[B] Make metal to metal joint
[C] Align the holes to be riveted
[D] Prevent damage to rivet head
Q.221. Name the tool marked as X in riveting.
[A] Drift
[B] Rivet snap
[C] Caulking tool
[D] Fullering tool
Q.222. Which hammer is suitable for riveting?
[A] Plastic hammer
[B] Ball pein hammer
[C] Cross pein hammer
[D] Straight pein hammer
Q.223. Which notch is cut at an angle of 45° to the corner of the sheet metal?
[A] Wire notch
[B] Slant notch
[C] Square notch
[D] Straight notch
Q.224. Name the joint made by fastening two edges of sheet metal together?
[A] Hem
[B] Seam
[C] Notch
[D] Groove
Q.225. What is the flux used for soldering in the form of powder and evaporates while heating?
[A] Resin
[B] Zinc chloride
[C] Hydrochloric acid
[D] Ammonium chloride
Q.226. Name the type of seam.
[A] Lap seam
[B] Double seam
[C] Grooved seam
[D] Double grooved seam
Q.227. Which rivet is used to avoid the projection of rivet head?
[A] Pan head rivet
[B] Snap head rivet
[C] Conical head rivet
[D] Counter sunk head rivet
Q.228. What is the minimum distance between the rivets to avoid bucking?
[A] 2D
[B] 2.5D
[C] 3D
[D] 3.5D
Q.229. Which type of filler rod is used in gas welding of stainless steel?
[A] Pure aluminium
[B] Copper silver alloy
[C] Columbium stainless steel
[D] Copper coated mild steel
Q.230. Name the gas welding defect.
[A] Porosity
[B] Lack of fusion
[C] Oxidised weld
[D] Incomplete penetration
Q.231. What will cause if the nozzle touches the molten pool?
[A] Spark
[B] Smoke
[C] Back fire
[D] Flash back
Q.232. Name the joint in the arc welding.
[A] Flush corner joint
[B] Single fillet lap joint
[C] Half open corner joint
[D] Full open corner joint
Q.233. What is the function of AC welding transformer?
[A] It converts to low voltage high current ampere
[B] It converts to high voltage and low current ampere
[C] It converts to low voltage and low current ampere
[D] It converts to high voltage and high current ampere
Q.234. What is the disadvantage of AC welding transformer?
[A] More initial cost
[B] Not free from arc blow
[C] More maintenance cost
[D] Not suitable for welding non ferrous metal
Q.235. Which arc welding machine can be used anywhere in the field work even away from electric lines?
[A] Rectifier set
[B] Motor generator set
[C] Engine generator set
[D] AC welding transformer
Q.236. Which arc welding machine provides better heat distribution in the electrode and job?
[A] Rectifier set
[B] Motor generator set
[C] Welding transformer
[D] Engine generator set
Q.237. What is the colour painted on the acetylene gas cylinders?
[A] Black
[B] Green
[C] Blue
[D] Maroon
Q.238. What is the angle to be maintained in the blow pipe and filler rod in the left ward welding technic?
[A] 60° & 30°
[B] 50° & 40°
[C] 30° & 50°
[D] 60° & 40°
Q.239. Which factor determine the current setting during welding?
[A] Types of joint
[B] Position of weld
[C] Length of electrode
[D] Diameter of electrode
Q.240. What is the OCV for welding in step-down transformer which reduces the main supply voltage (220 or 440 volts)?
[A] 40 and 100 volt
[B] 50 and 100 volt
[C] 30 and 20 volt
[D] 20 and 25 volt
Q.241. Which is the welding machine designed to supply both A.C and D.C current for welding ferrous and non-ferrous metals using all types of electrode?
[A] Rectifier set
[B] Transformer set
[C] Motor generator set
[D] Engine generator set
Q.242. Name the safety operation carried out in welding plant shown in the figure?
[A] Compressor used to force out fuses
[B] Cooling the surface to clear gases
[C] Water forced to clean the surface
[D] Exhaust duct capture fuses and gases
Q.243. Identify the part marked as x .
[A] Safety plug
[B] Steel bottle
[C] Valve spindle
[D] Dissolved acetylene
Q.244. What is the name of distortion occurs in the weld direction?
[A] Angular distortion
[B] Bending distortion
[C] Longitudinal distortion
[D] Transverse distortion
Q.245. What is the name of the the metal edge in an angle during welding and cutting operations?
[A] Kerf
[B] Drag
[C] Bevel
[D] Gouging
Q.246. Identify the welding defect shown in figure.
[A] Under cut
[B] Cracking
[C] Lack of fusion
[D] Incomplete penetration
Q.247. Why the cylinder keys are not removed from the cylinder while welding?
[A] To prevent gas leak
[B] To adjust the gas supply
[C] To open and close frequently
[D] To close quickly in case of fire
Q.248. Which process blow out the cylinder valve socket before connecting the regulator?
[A] Cracking
[B] Back fire
[C] Flash back
[D] Pressure testing
Q.249. What is the oxygen cylinder colour?
[A] Red
[B] Blue
[C] Black
[D] Maroon
Q.250. What is the name of the part marked as X ?
[A] Handle
[B] Mixing chamber
[C] Oxygen control value
[D] Acetylene control value
Q.251. What is the name of PPE?
[A] Portable screen
[B] Chipping goggles
[C] Welding hand screen
[D] Welding helmet screen
Q.252. What is the purpose of cellulosic electrode in arc welding process?
[A] Very easy to remove the deposited slag
[B] Used for high strength steel
[C] It is used for low carbon steel
[D] It is suitable for all position
Q.253. What is the name of the part marked as X ?
[A] Preheat control valve
[B] Oxygen control valve
[C] Horizontal adjustment
[D] Vertical adjustment
Q.254. What is the storing capacity of oxygen cylinder?
[A] 7 m3
[B] 10 m3
[C] 14 m3
[D] 15 m3
Q.255. What is the equipment used to protect the body from flying spark during gas cutting?
[A] Leather cap
[B] Leather apron
[C] Leather shoes
[D] Cutting goggles
Q.256. How to extinguish the flame after use in gas welding?
[A] Shut off oxygen and dip blow pipe in water
[B] Shut off oxygen and acetylene valve at a time
[C] Shut off oxygen valve first next acetylene valve
[D] Shut off acetylene valve first next oxygen valve
Q.257. Why humming sound effects during arc welding?
[A] Long arc length
[B] Speedy welding
[C] Short arc welding
[D] Normal arc length
Q.258. Which internal defect in welding is invisible to naked eye?
[A] Spatter
[B] Porasity
[C] Undercut
[D] Stray arc
