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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 28
Q1 | Which of the following drilling machine is used for mass production?
- Radial drilling machine
- Gang drilling machine
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- Pistol drilling machine
- Bench drilling machine
Q2 | While machining copper alloys with HSS tools, the cutting speed is
- 100 to 150 m/min
- 50 to 100 m/min
- 200 to 300 m/min
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- 20 to 30 m/min
Q3 | A gold point is
- The pointed on a instrument a reading beyond which may be dangerous to system
- The pointed location spot gold plated
- The temperature of equilibrium between liquid gold and gold vapour at normal atmospheric pressure
- The temperature at which gold melts
- The temperature of equilibrium between solid gold and liquid gold at normal atmospheric pressure
Q4 | Which bond is commonly used in grinding wheel
- Silicate bond
- Shellac bond
- Resinoid bond
- Vitrified bond
- Rubber bond
Q5 | The percentage of carbon that must be present in steel before it can be hardened noticeably is
- 0.20 percent
- 0.30 percent
- 0.70 percent
- 0.10 percent
- 0.05 percent
Q6 | While turning which of the following material back rake angle is the largest?
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- Hard steel
- Aluminium
- Cast iron
- Monel matal
Q7 | Coolant used while turning cast iron is
- Lard oil
- Soluble oil
- Kerosene
- Soda water
- None of the above
Q8 | Which of the following is always die casted?
- Rollers for bearings
- Carburettor body
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- Pump shafts
- Balls for ball mills
Q9 | Materials that produce continuous chips are
- Cast iron
- Low carbon steel
- Brass
- None of the above
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Q10 | The gases used in tungsten inert gas welding are
- Argon and helium
- Helium and neon
- Ozone and neon
- Atomic hydrogen and neon
- Carbonsioxide and nitrogen
Q11 | High carbon steels contain carbon
- Between 0.6 to 1.3 percent
- Between 0.05 to 0.6 percent
- More than 1.7 percent
- Between 1.3 to 1.7 percent
- 0.70 percent
Q12 | The feed depends on
- finish required
- depth of cut
- rigidity of machine
- All of the above
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Q13 | Which of the following materials will have highest value of contraction allowance
- Aluminium
- Brass
- Cast iron
- Malleable iron
- Bronze
Q14 | A stick is
- A tool for lifting the pattern from mould
- A tool for mostening the sand
- A hand tool for repairing mould in foundry shop
- A device for measuring moisture content in foundry sand
- Automatic moulding tool
Q15 | In automatic control systems a good control is
- One that is automatically controlled
- One that gives high operating efficiency
- One that gives good results
- One that gives maximum production
- One that has minimum deviation following a disturbance
Q16 | In a 48A 100-H-8-S-BE grinding wheel the type of bond used is
- Silicate
- Resinoid
- Shellac
- Vitrified
- Rubber
Q17 | Which of the following metal takes smallest side rake angle during turning?
- Cast iron
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- Brass
- Monel metal
- Aluminium
Q18 | Lead and sulphur when added to low carbon steel promote
- chip breaking
- continuous chip formation
- continuous chip with built up edges
- None of the above
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Q19 | Which of the following process is used for casting ornamental objects, toys and similar articles?
- Slush casting
- Open mould casting
- Semi-centrifugal casting
- Die casting
- None of the above
Q20 | Plug welded joints are used
- For welding at selected spots only
- For jobs carrying shear stress
- For jobs of dissimilar materials
- To join two pieces of metal in the same manner as riveted joint metals
- To join a circular metal with a flat job
Q21 | Austenitic stainless steel contain
- at least 24 percent of combined chromium and nickel
- 4 to 6 percent of chromium
- chromium which is 17 times the percentage of carbon
- None of the above
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Q22 | Shatter test is conducted to measure
- Toughness of sand
- Toughness of core
- Toughness of pattern
- Toughness of mould
- Toughness of casting
Q23 | Which one of the following materials will have lowest cutting speed?
- High carbon steel
- Mild steel
- Bronze
- Brass
- Aluminium
Q24 | Spindle speed in a lathe for turning a 40 cm dia rod at a cutting speed of 30 m/min would be
- 100 rpm
- 336 rpm
- 238 rpm
- 468 rpm
- 206 rpm
Q25 | Dial indicator is a
- comparator
- recording device
- transducer
- sensor
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