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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 1
Q1 | Cast iron gears are used where
- Stresses on gear are not high
- Size of the gear is large
- High order of accuracy is not desired
- All of the above
- None of the above
Q2 | While machining which of the following improves surface finish?
- Parting off
- Increased cutting speed
- Increased depth of cut
- Formation of built-up edge
- Increased feed rate
Q3 | Optical flats are made of
- Quartz
- Steel
- Plastic
- Brass
- Bakelite
Q4 | Dry blast cleaning involves
- Blasting the surface with abrasive material
- Blasting the surface with air only
- Blasting the surface with sand
- Blasting the surface with oil
- None of the above
Q5 | A right hand tool on lathe machine will cut efficiently while cutting
- In either direction
- Grooved jobs
- From right to left
- Taper
- From left to right
Q6 | Ceramic tool inserts are fixed to the tool holder by
- Casting
- Soldering
- Resistance welding
- Brazing
- adhesives
Q7 | The pouring of molten metal during casting should be stopped when
- Molten metal rises in the riser
- Molten metal is exhausted
- Molten is full
- Molten metal is seen through the riser
- Molten metal flows out of the riser
Q8 | In shearing operation on a power press, total cutting force depends on
- sharpness of cutting edge
- clearance between die and punch
- angle of shear on die and punch
- All of the above
- Parting off
Q9 | Which strength is the major consideration, which of the following process should be favoured
- Forging
- Sand casting
- Die casting
- Hot rolling
- Any of the above
Q10 | While cutting double start threads of pitch 2 mm on a lathe, the cutting tool will advance by
- 4 mm/revolution
- 2 mm/revolution
- 1 mm/revolution
- 8 mm/revolution
Q11 | In ultrasonic welding the frequency range is generally
- 80,000 - 800,000 cps
- 100 - 4000 cps
- 20,000 - 80,000 cps
- 800,000 - 5000,000 cps
- 4000 - 20,000 cps
Q12 | In which of the following process the electrode is not consumed?
- TIG welding
- Gas welding
- DC arc welding
- Plasma welding
- Laser welding
Q13 | Which of the following is a clearance fit?
- Press fit
- Force fit
- Push fit
- Sliding fit
- Driving fit
Q14 | Which hardening process is free from scale formation?
- Flame hardening
- Nitriding
- Cyaniding
- Induction hardening
- Parting off
Q15 | Miter gears are
- Gears of different modules
- Spur gears of equal diameter and pitch
- Helical gears of same module
- Right angled bevel gears having the same number of teeth
- None of above
Q16 | In gas welding using oxygen and acetylene cylinders the pressure of gas is more in
- Aetylene cylinders
- Equal in both cylinders
- Oxygen cylinder
- 400 - 440 V
Q17 | Some substances generate voltage when they are subjected to mechanical forces or stresses along specific planes. Such subtances are known as
- Photo-electric
- Megneto-electric
- Thermo-electric
- Piezo-electric
- Radio-active
Q18 | Ball bearing races are
- Lapped
- Ground
- Nickel plated
- Buffed
- Turned
Q19 | In centreless grinding the regulating wheel is inclined at an angle
- 12 - 24?
- 9-15?
- 1 - 8?
- 15 - 18?
- 25 - 35?
Q20 | Which of the following operation is not involved in heat treatment of steels
- Tumbling
- Cyniding
- Annealing
- Normalizing
- Strain drawing
Q21 | The surface roughness on a drawing is represented by
- Circle
- Triangle
- Zig-zag lines
- Square
- Curve
Q22 | A rack is a gear of
- Infinite pitch
- Infinite number of teeth
- Infinite diameter
- Infinite clearance
- Infinite module
Q23 | The shears used for making circular cuts are known as
- Curved shears
- Straight shears
- Any of (A) or (B)
- Parting off
Q24 | For the measurement of temperature the transduction method could be
- Capacitive
- Inductive
- Electron tube
- Piezo-electric
- Resistance
Q25 | Cores are used
- To make castings sound
- To strengthen mould
- To get cavity or recess in a casting
- To get smooth surface on castings
- In symmetrical casting only