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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