Production Engineering Set 11

Mechanical Engineering

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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 11

Q1 | Which turning aluminium the side rake angle is nearly
  • Parting off
  • 5?
  • 15?
  • 10?
  • 0?
Answer: 15?
Q2 | The moisture content of moulding sand generally varies from
  • 40-50 percent
  • 2-8 percent
  • 10-25 percent
  • 50-65 percent
  • 25-40 percent
Answer: 2-8 percent
Q3 | LASER is
  • an electromagnetic radiation
  • a magnetic radiation
  • a light radiation
  • Parting off
  • an atomic radiation
Answer: an electromagnetic radiation
Q4 | Which of the following does not represent the number of slip gauges in a metric set?
  • 110
  • 45
  • 88
  • 65
  • 103
Answer: 65
Q5 | In lost wax casting for non-ferrous materials, the material of the mould is
  • Sodium silicate
  • Silica
  • Plaster of Paris
  • Ethyl silicate
  • Parting off
Answer: Plaster of Paris
Q6 | Oxygen cylinders are
  • Cast iron cylinders
  • Seamless steel cylinders
  • Die cast
  • Steel cylinders, welded structure
  • Alloy steel cylinders, thermit welded
Answer: Seamless steel cylinders
Q7 | A work piece of 100 mm diameter is to be machined at a cutting speed of 100 metres per minute. The rpm of the work piece should be
  • 636
  • 318
  • 100
  • 200
  • 159
Answer: 318
Q8 | Point angle of drill is usually more while drilling
  • Slate
  • Marble
  • Hard alloys
  • Soft cast iron
  • Mild steel
Answer: Hard alloys
Q9 | In drilling operation if the drill point is outside the drill axis, the effect on the drilled hole will be
  • The hole will be rough
  • The hole will be smooth
  • The hole will become too large
  • The hole will become elliptical
  • The drilled hole will be normal
Answer: The hole will become too large
Q10 | Black broken lines on a pattern indicates
  • Surface to be left unmachined
  • Surfaces to be machined
  • Seats for loose core prints
  • Core prints
  • Fillets
Answer: Fillets
Q11 | Spherodising is a
  • annealing process
  • surface treatment process
  • Parting off
  • age-hardening process
  • hardening process
Answer: annealing process
Q12 | A tool is said to have worn if
  • it produces discontinuous chips
  • its cutting angles have changed
  • heat produced in cutting is large
  • None of the above
  • Parting off
Answer: its cutting angles have changed
Q13 | Which of the following is not a 'drawing' process?
  • Spinning
  • Bulging
  • Embossing
  • Tube drawing
  • Lancing
Answer: Lancing
Q14 | To break the continuous chips
  • Use a chip breaker in the tool
  • Cut the metal intermittently
  • Use high cutting speed and low feed
  • None of the above
  • Small fragments
Answer: Use a chip breaker in the tool
Q15 | Hard, tough, fragile and heat sensitive metals can be processed by
  • Explosive forming
  • Intraform machining
  • Electrical discharge machining
  • Cold heading
  • High energy rate forming
Answer: Electrical discharge machining
Q16 | In which grinding operation the peripheral speed of the grinding wheel will be highest?
  • Circular grinding
  • Face grinding
  • Internal grinding
  • Surface grinding
  • Part off grinding
Answer: Part off grinding
Q17 | Which of the following pattern can be used for symmetrical objects only?
  • Gated pattern
  • Split pattern
  • Sweep pattern
  • All of the above
  • Parting off
Answer: Sweep pattern
Q18 | When the capacity of a power press is expressed in 100 tonnes, it implies that
  • Dead weight of the press is 100 tonnes
  • Total production of material will be 100 tonnes in a day
  • The maximum load that the press can apply is 50 tonnes
  • All of the above
  • None of the above
Answer: The maximum load that the press can apply is 50 tonnes
Q19 | Which of the following welding process is preferred for wrought iron?
  • Spot welding
  • Mig welding
  • Forge welding
  • Lesser welding
  • Thermit welding
Answer: Forge welding
Q20 | The operation of cutting holes in sheet by a press is known as
  • Punching
  • Shearing
  • Slitting
  • Drilling
  • Trimming
Answer: Punching
Q21 | The sheet metals which can be cut by a hand shear have a thickness
  • Any value of s.w.g.
  • Upto 5 s.w.g.
  • Parting off
  • Upto 165 s.w.g.
Answer: Upto 165 s.w.g.
Q22 | Chip breakers are used while machining
  • ductile materials
  • brittle materials
  • Both (A) and (B)
  • None of the above
  • Parting off
Answer: ductile materials
Q23 | Usually the range of an instrument is selected such that
  • Minimum reading coincides with average value of working parameter
  • Minimum reading coincides with minimum value of the working parameter
  • For the working parameter the pointer direction is vertical
  • For the working parameter the pointer deflection is about ? of the full scale
  • None of the above
Answer: For the working parameter the pointer deflection is about ? of the full scale
Q24 | The weight of hammers used in a fitting ship is
  • 0.25 kg - 0.50 kg
  • Parting off
  • 0.45 kg - 0.70 kg
  • 0.75 kg - 1 kg
Answer: 0.45 kg - 0.70 kg
Q25 | Core prints are provided to
  • Form seat to support and hold the core
  • Direct the flow of molten material during pouring
  • Form trade mark of company on castings
  • Reinforce the core to withstand the force of buoyancy of molten metal
  • Produce castings with specific surface design
Answer: Form seat to support and hold the core
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