Production Engineering Set 22

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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 22

Q1 | Antioch is
  • A soft soldering process
  • A process for making porous moulds
  • An instrument for measurement of porosity of sand
  • A process for removal of excess solder from joints
  • A hand tool used for repairing moulds
Q2 | A gate is the
  • Vent hole to allow for the hot gases to escape
  • Channel for the flow of excess molten material
  • Passage through which metal rises when the mould is filled
  • Passage through which metal is poured into the mould
  • Passage that finally leads molten metal from the runner into the mould cavity
Q3 | Shrinkage of cast iron on solidification is nearly
  • 1%
  • 13%
  • Parting off
  • 5%
  • 6.50%
Q4 | Machinability is affected by
  • tool geometry and material
  • cutting fluids
  • regidity of tool and machine
  • All of the above
  • Parting off
Q5 | Two 3 mm thick MS sheets are to be welded. Electrodes of 16, 12, 10 Nos, are available which one would you choose.
  • 16
  • 12
  • 10
  • Any of the above
  • None of the above
Q6 | In electro chemical machining the metal is removed by
  • Molecular transfer
  • Ionic bombardment
  • Collimated light rays
  • Ultraviolet rays
  • Dissolution in electrolyte solution
Q7 | The property of sand due to which it clings to the sides of a moulding box, is called
  • permeability
  • adhesiveness
  • electron affinity
  • cohesiveness
  • Parting off
Q8 | Cutting speed in turning operation for aluminium is
  • 30 m/min
  • 15 m/min
  • 200 m/min
  • 400 m/min
  • 1000 m/min
Q9 | In a 32A 49-H 8V BE grinding wheel the grit size is represented by
  • H
  • 8
  • 46
  • BE
  • 32
Q10 | In theory of metal cutting the shear plane angle is the angle between
  • Shear plane and tool axis
  • Shear plane and job surface
  • Shear plane and tool surface
  • Shear plane and horizontal plane
  • Shear plane and verticalplane
Q11 | Load cells are used
  • For the measurement of weight
  • For pile driving
  • For the measurement of strain
  • For the measurement of stress
  • For the measurement bearing capacity of soils
Q12 | A sinebar is used to measure
  • Surface roughness
  • Gear profiles
  • Internal tapers
  • External tapers
  • All of the above
Q13 | In a power hacksaw machine blade the number of teeth per inch are generally
  • 10 -- 12
  • 4 -- 6
  • 20 -- 24
  • 12 -- 20
  • 24 -- 32
Q14 | Shanks of taper drills are provided standard taper known as
  • Jarno and Reed taper
  • Morse taper
  • Brown and Sharpe taper
  • Chapman taper
  • Sellers taper
Q15 | A step cone pulley is provided on a lathe to
  • To reverse the spindle rotation
  • To drive the lead screw
  • For taper turning
  • Reduce power consumption
  • To change spindle speeds
Q16 | Usual thickness of a hacksaw blade is
  • 1 mm
  • Parting off
  • 0.7 mm
  • 0.4 mm
Q17 | For ultrasonic welding the thickness of metal is usually restricted to
  • 15 mm
  • 10 mm
  • 25 mm
  • 6 mm
  • 3 mm
Q18 | Lathe bed is usually made of
  • Cast iron
  • Satellite
  • Alloy steel
  • Mild steel
  • High speed steel
Q19 | Plate liners used between the vice-jaw and the work piece are made of
  • Copper or Tin
  • Mild steel
  • Parting off
  • Hard steel
Q20 | In case of grey cast iron the volumetric shrinkage is around
  • 15%
  • 2%
  • 10%
  • 25%
  • 20%
Q21 | For the soldering of galvanized iron the flux used is
  • Hydrochloric acid
  • Zinc oxide
  • Muriatic acid
  • Ammonium chloride
  • None of the above
Q22 | Automobile gears are generally manufactured by
  • Extrusion
  • Die casting
  • Stamping
  • Rolling
  • Hobbing
Q23 | Which is not a part of shaper?
  • Vernier caliper
  • Table
  • Cross slide
  • Ram
  • Tool head
Q24 | A bleed type relay is generally used in
  • Pneumatic systems
  • Electrical systems
  • Electronic systems
  • Mechanical systems
  • None of the above
Q25 | For aluminum casting to be turned on a lathe, which chuck would be preferred?
  • Four jaw independent chuck
  • Pneumatic chuck
  • Collet chuck
  • Three jaw self-centring chuck
  • Face plane