Production Engineering Set 16

Mechanical Engineering

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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 16

Q1 | Hardness tester used for determining the hardness of a core is bearly identical to which of the following?
  • Vickers hardness tester
  • Rockwell hardness tester
  • Brinell hardness tester
  • Shore's scleroscope
  • Parting off
Answer: Brinell hardness tester
Q2 | In gang milling
  • Work is fed into the rotation of cutter
  • A cutter generates two or more plain surface simultaneously
  • Work moves in the opposite direction as the rotating of the cutter
  • Work moves in the same direction as the rotation of the cutter
  • More than one cutter is simultaneously used
Answer: More than one cutter is simultaneously used
Q3 | A gagger is
  • A tool used in clearing material before welding
  • A, L shaped metal accessory used in floor moulds to support hanging bodies of sand in cope
  • A device for removing foreign particles from sand
  • A tool used in clearing welds
  • A tool used in foundry for cleaning of castings
Answer: A, L shaped metal accessory used in floor moulds to support hanging bodies of sand in cope
Q4 | Which of the following is gear finishing process?
  • Gear lapping
  • Gear shaving
  • Gear grinding
  • All of the above
  • None of the above
Answer: All of the above
Q5 | Abrasive GC indicates
  • White Al2O3
  • Parting off
  • Al2O3
  • Green grit SiC
  • SiC
Answer: Green grit SiC
Q6 | The primary detector in a pressure gauge is usually
  • Bellows
  • Diaphragm
  • Spring
  • Bourdon tube
  • Coil spring
Answer: Bourdon tube
Q7 | Which type of gears can be manufactured by extrusion process?
  • Spur gears
  • Bevel gears
  • Helical gears
  • Worm gears
  • Herringbone gears
Answer: Helical gears
Q8 | Chip breaker is
  • an obstruction attached to face of the tool
  • a hammer used to break the chips
  • a coolant forced under pressure on the chip
  • None of the above
  • Parting off
Answer: an obstruction attached to face of the tool
Q9 | Point angle of 135 to 150? is used on drills while drilling
  • hard steels
  • nickel alloys
  • thin sheet metals
  • Any of the above
  • Parting off
Answer: Any of the above
Q10 | Back rake angle while turning brass is
  • 5?
  • 10?
  • Parting off
  • 22?
  • 0?
Answer: 0?
Q11 | The cutting tool is
  • Goose neck tool
  • Parting tool
  • Threading tool
  • Boring tool
  • Drilling tool
Answer: Parting tool
Q12 | The standard taper provided on the tapered shank of drills is known as
  • Chapman taper
  • Morse taper
  • Jarno taper
  • Taper No. 1
  • None of the above
Answer: Morse taper
Q13 | A gear has a pitch diameter of 5.732 inches and circular pitch
  • 5
  • 9
  • 7
  • 3
  • 1
Answer: 5
Q14 | Which of the following material is difficult to be spot welded?
  • Cold rolled mild steel sheet
  • Hot rolled mild steel sheet
  • Stainless steel
  • Copper
  • None of the above
Answer: Copper
Q15 | Hardness of diamond can be determined by
  • Brinell hardness tester
  • Rockwell hardness tester
  • Vickers hardness tester
  • None of the above
  • Parting off
Answer: None of the above
Q16 | In case of turning or milling, the surface roughness is expected to be in the range (
  • 20 to 50
  • 5 to 15
  • 50 to 100
  • 100 to 250
  • 250 to 500
Answer: 100 to 250
Q17 | True centrifugal casting is used to
  • Get accurate castings
  • Get chilled castings
  • Get dynamically balanced castings
  • Get statistically balanced castings
  • Cast objects symmetrical about an axis
Answer: Cast objects symmetrical about an axis
Q18 | While using high speed steel tools, the cutting speed will be highest for which of the following steel?
  • Alloy
  • Stainless steel
  • Parting off
  • Medium carbon steel
  • Mild steel
Answer: Mild steel
Q19 | If a piece of steel is reheated to a temperature of 200?C to 250?C immediately after quenching, the process is known as
  • Hardening
  • Cyniding
  • Normalizing
  • Tempering
  • Annealing
Answer: Tempering
Q20 | Spot facing is
  • Localised machining of a component
  • None of above
  • A spot prepared on shaper or milling machine
  • Machining of a spot to fit other parts
  • Mahining of spol on the surface of a part to furnish a flat bearing or the head of a holt or nut
Answer: Mahining of spol on the surface of a part to furnish a flat bearing or the head of a holt or nut
Q21 | Hollow punches are used for making holes upto
  • 10 mm and above
  • Parting off
  • (5 - 8) mm
  • (6 - 9) mm
Answer: 10 mm and above
Q22 | A plug gauge is used for measuring
  • Spherical holes
  • None of above
  • Screw threads
  • Cylindrical bores
  • Taper bores
Answer: Cylindrical bores
Q23 | Angle plate is
  • Used for measurement of angles
  • Used for cutting angles on jobs on shaper
  • Used for holding angular jobs in milling machine.
  • Cast iron jig used to hold work in a vertical position of layout or machining
  • None of above
Answer: Used for measurement of angles
Q24 | Ablation mechanism is used in which of the following machining process?
  • Water jet machining
  • Chemical machining
  • Laser beam machining
  • Ultrasonic machining
  • Electron beam machining
Answer: Chemical machining
Q25 | A photo-electric device in which the resistance of the metal changes directly proportional to the ligh striking on it is known as
  • Photo-cell
  • Photo-emission
  • Photo-voltaic cell
  • Photo-conductive cell
  • None of the above
Answer: Photo-conductive cell
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