Production Engineering Set 17

Mechanical Engineering

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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 17

Q1 | Which of the following is an accessory for lathe machine?
  • Lead screw
  • Cone pulley
  • Tool post
  • Coolant pump
  • None of the above
Answer: Coolant pump
Q2 | Loams sand generally has
  • 50% clay and 18% moisture
  • 60% clay and 30% moisture
  • 34% clay and 5% moisture
  • 70% clay and 30% moisture
  • 40% clay and 10% moisture
Answer: 50% clay and 18% moisture
Q3 | Straight shears are used for
  • Straight line cutting of sheets
  • Making circular cuts
  • Parting off
  • Making irregular cuts
Answer: Straight line cutting of sheets
Q4 | Duration which operation on a lathe machine, the spindle speed is usually the least?
  • Finish turning
  • Drilling
  • Parting off
  • Rough turning
  • Knurling
Answer: Knurling
Q5 | Music wire
  • Is a standard wire for gauge determination
  • Is a resistance wire used in instruments
  • Is fine wire used in musical instruments manufacture springs
  • None of above
  • Is a carbon steel wire used to manufacture springs
Answer: Is a carbon steel wire used to manufacture springs
Q6 | In abrasive jet machining the achievable tolerances are nearly
  • 500
  • 1
  • 0.1
  • 250
  • 50
Answer: 50
Q7 | A knee is a part of
  • Lathe
  • Jig boring machine
  • Milling machine
  • Breaching machine
  • Shaper
Answer: Milling machine
Q8 | The operation of cutting multiple holes is called
  • perforating
  • Parting off
  • notching
  • trimming
  • lancing
Answer: perforating
Q9 | Gear made by sand casting are used in
  • Automobiles
  • Toys
  • Diesel locomotives
  • Concrete mixers
  • Machine tools
Answer: Concrete mixers
Q10 | A bench vice is used for
  • Filing the job
  • Tapping the job
  • Clamping the job
  • Parting off
Answer: Clamping the job
Q11 | Broaching is primarily done for
  • mass production
  • hard materials
  • better finish
  • cylindrical jobs
  • Parting off
Answer: mass production
Q12 | For simple turning operation of lathe, the cutting speed is specified as 70 metres per minute. The cutting tool may be expected to be
  • Carbide
  • Higher speed steel
  • Carbon steel
  • Mild steel
  • Diamond
Answer: Carbide
Q13 | Simple indexing using a dividing head of turn ratio 40 for 6 division would be
  • 14 holes in 21 hole circle plate
  • 26 holes in 21 hole circle plate
  • 6 turns and holes in 21 hole circle plate
  • 6 turns and 14 holes in 30 hole circle plate
  • 6 turns
Answer: 6 turns and holes in 21 hole circle plate
Q14 | In instrumentation, registering is
  • Production of continuous record on an instrument
  • Conversion of signal from one form to another
  • Indication by numbers or some other symbol of discrete increments, the value of some quantity
  • To perform various manipulations before indicating or recording results
  • None of the above
Answer: Indication by numbers or some other symbol of discrete increments, the value of some quantity
Q15 | In a drilling machine having six spindle speeds if first five speeds are 458, 605, 800, 1055 and 1390 rpm, the next higher speed would be
  • 1760 rpm
  • 1500 rpm
  • 1830 rpm
  • 1630 rpm
  • 1440 rpm
Answer: 1830 rpm
Q16 | A pattern maker's contraction rule accounts for
  • All materials of the pattern
  • All materials to be cast
  • Only shrinkage allowance
  • Only shrinkage, draft and distortion allowances
  • All pattern allowances
Answer: Only shrinkage allowance
Q17 | The horizontal force required to slide the tail stock would be
  • 1000 kg
  • 648.84 kg
  • 100 kg
  • 148.84 kg
  • 500 kg
Answer: 148.84 kg
Q18 | The audible spectrum of sound is in the range of
  • 0 to 100 cps
  • 30 to 15000 cps
  • 15000 to 25000 cps
  • 25000 to 10000 cps
  • None of the above
Answer: 30 to 15000 cps
Q19 | Size of a shaper is generally specified by
  • Length, breadth and height of machine
  • Maximum travel of cutting tool
  • Weight of the machine
  • Quick return ratio
  • The area of machined surface per hour
Answer: Maximum travel of cutting tool
Q20 | Which of the following process is preferred for the welding of grey cast iron?
  • Oxy-acetylene
  • Thermit
  • MIG
  • TIG
  • Submerged arc
Answer: Oxy-acetylene
Q21 | For mild steel work piece using carbide tool, the temperature at which maximum materials is removed is
  • 200?C
  • 275?C
  • 100?C
  • Near zero deg centigrade
  • Below room temperature
Answer: 275?C
Q22 | The surface speed of regulating wheel in case of centreless grinding is
  • 1500 - 1800 M/min
  • 15 - 75 M/min
  • 1000 - 1500 M/min
  • 100 - 500 M/min
  • 500 - 800 M/min
Answer: 15 - 75 M/min
Q23 | Which of the following is considered to be non-machinable by conventional processes?
  • Grey cast iron
  • Silicon bronze
  • Parting off
  • While cast iron
  • Cast copper
Answer: While cast iron
Q24 | The cemented carbide tools are generally poor in
  • Compression
  • Tension
  • Shear
  • Torsion
  • None of the above
Answer: Shear
Q25 | Which quality of fit is provided for plummer block bearings?
  • H8f8
  • H6f6
  • H8d8
  • H6g5
  • None of the above
Answer: H8d8
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