Production Engineering Set 3

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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 3

Q1 | Which of the following is an inert gas?
  • Carbondioxide
  • Carbon monoxide
  • Nitrogen
  • Argon
  • All of the above
Q2 | In lathe machine the chasing dial is used during
  • Taper turning
  • Drilling
  • Parting off
  • Thread cutting
  • Knurling
Q3 | The depth of cut depends on the
  • curring speed
  • rigidity of machine tool
  • tool material
  • all of the above
  • Parting off
Q4 | Which of the following is a gear finishing operation?
  • Gear burnishing
  • Phosphate coating
  • Gear lapping
  • All of the above
  • Parting off
Q5 | While cutting with a hacksaw, the number of teeth contacting the job should be
  • More than one
  • Only one
  • Any of (A) or (B)
  • Parting off
Q6 | Which one of the following is not included in the combinations set?
  • A centre head
  • A protector
  • Square
  • A rule
  • Short rule
Q7 | Choose the incorrect statement. The mechanism of tool wear is
  • oxidation
  • reduction
  • diffusion
  • None of the above
  • Parting off
Q8 | Discontinuous type chips are generally produced in
  • Alloy steels
  • Cast iron
  • Aluminium
  • Duralumin
  • Mild steel
Q9 | Yellow colour on a pattern indicates
  • Seat for loose core prints
  • Surface to be left unmachined
  • Surface to be machined
  • Fillets
  • Core prints
Q10 | Taper shank on drills is provided for
  • Use on tapered surfaces
  • Eye
  • Quick intersection in spindle
  • None of these
  • Drilling taper holes
Q11 | Coated tools are good at
  • reducing machining cost
  • increasing surface finish on scoled surfaces
  • reducing diffusion wear
  • None of the above
  • Carmetting
Q12 | Noise level in case of an aircraft is
  • In the range of 80 - 110 db
  • Always more than 100 db
  • Generally less than 100 db
  • In the range of 60 - 80 db
  • Generally more than 100 db
Q13 | A process of zinc diffusion is known as
  • Brazing
  • Anodising
  • Sintering
  • Sherardizing
  • Metallizing
Q14 | Which of the following can be used to produce laser?
  • Diamond
  • Gold
  • Platinum
  • Emerald
  • Ruby
Q15 | The accuracy of a limit gauge can be checked by
  • Vernier caliper
  • Micrometer
  • Slip gauge
  • Sine bar
  • Any of the above
Q16 | The tool used for grooving a seam is called
  • Parting off
  • Breasing stake
  • Rivet set
  • Groover
Q17 | The tool may fail suddenly because of
  • crater wear
  • both crater and flank wear
  • spalling
  • Parting off
  • flank wear
Q18 | Knurling is an operation
  • Of cutting smooth collars
  • Of under cutting
  • Done prior to screw cutting
  • Of generally roughing the surface for hand grip
  • Done without use of coolant
Q19 | Which of the following material has maximum shrinkage during solidification?
  • Parting off
  • Copper
  • Aluminium
  • Steel
  • Cast iron
Q20 | Which of the following process is preferred for cutting and welding of nonferrous metals?
  • Submerged arc welding
  • Inert gas arc welding
  • MIG welding
  • DC arc welding
  • None of the above
Q21 | The riser in a mould should be located in such a way so that
  • it touches all parts of the casting
  • it is first to receive the molten metal
  • Parting off
  • it is last to solidify
  • it is first to solidify
Q22 | In a drilling operation
  • Torque is equal to the axial force
  • Torque is more than the axial force
  • None of above
  • Torque is half the axial force
  • Torque is less than the axial force
Q23 | Poor fusion in a welded joint may be due to
  • Lack of flux
  • Improper current
  • High welding speed
  • Dirty metal surface
  • None of the above
Q24 | Merchant's machinability constant is
  • 2 ? - ? - ?
  • 500 tons to 1000 tons
  • 2 ? - ? + ?
  • ? + ? - ?
  • 2 ? + ? - ?
Q25 | Type of gears used in electric switch gear is
  • Bevel gears
  • Herringbone gears
  • Gears are not used in switch gear
  • Helical gears
  • Spiral gears