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MCQs

Total Questions : 936 | Page 6 of 94 pages
Question 51. The draft or taper allowance on casting is generally
  1.    1 to 2 mm/m
  2.    2 to 5 mm/m
  3.    5 to 10 mm/m
  4.    10 to 15 mm/m
 Discuss Question
Answer: Option A. -> 1 to 2 mm/m
Question 52. Projection welding is a
  1.    Continuous spot welding process
  2.    Multi-spot welding process
  3.    Arc welding process
  4.    Process used for joining round bars
 Discuss Question
Answer: Option B. -> Multi-spot welding process
Question 53. In a ________, two or more operations are performed simultaneously at the single stroke of the ram.
  1.    Simple die
  2.    Progressive die
  3.    Combination die
  4.    Compound die
 Discuss Question
Answer: Option B. -> Progressive die
Question 54. In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
  1.    Simple die
  2.    Progressive die
  3.    Combination die
  4.    Compound die
 Discuss Question
Answer: Option C. -> Combination die
Question 55. The chisel used for cutting key ways is
  1.    Flat chisel
  2.    Cape chisel
  3.    Round nose chisel
  4.    Diamond pointed chisel
 Discuss Question
Answer: Option B. -> Cape chisel
Question 56. The most preferred process for casting gas turbine blades is
  1.    Die casting
  2.    Shell moulding
  3.    Investment moulding
  4.    Sand casting
 Discuss Question
Answer: Option B. -> Shell moulding
Question 57. When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
  1.    Washing it with water
  2.    Rubbing on wood
  3.    Washing it with dilute acid
  4.    Using file card
 Discuss Question
Answer: Option D. -> Using file card
Question 58. In a _______, the molten metal is poured and allowed to solidify while the mould is revolving.
  1.    Die casting method
  2.    Slush casting method
  3.    Permanent mould casting method
  4.    Centrifugal casting method
 Discuss Question
Answer: Option D. -> Centrifugal casting method
Question 59. A sand employed on the faces of the pattern before moulding, is called
  1.    Green sand
  2.    Dry sand
  3.    Loam sand
  4.    Parting sand
 Discuss Question
Answer: Option D. -> Parting sand
Question 60. The mode of deformation of the metal during spinning is
  1.    Bending
  2.    Stretching
  3.    Rolling and stretching
  4.    Bending and stretching
 Discuss Question
Answer: Option D. -> Bending and stretching

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