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MCQs

Total Questions : 936 | Page 1 of 94 pages
Question 1. A taper provided on the pattern for its easy and clean withdrawal from the mould is known as
  1.    Machining allowance
  2.    Draft allowance
  3.    Shrinkage allowance
  4.    Distortion allowance
 Discuss Question
Answer: Option B. -> Draft allowance
Question 2. A file with 20 teeth in 25 mm is called
  1.    Rough file
  2.    Bastard file
  3.    Second cut file
  4.    Smooth file
 Discuss Question
Answer: Option A. -> Rough file
Question 3. Blanking and piercing operations can be performed simultaneously in a
  1.    Simple die
  2.    Progressive die
  3.    Compound die
  4.    Combination die
 Discuss Question
Answer: Option C. -> Compound die
Question 4. The accuracy of micrometers, calipers, dial indicators can be checked by a
  1.    Feeler gauge
  2.    Slip gauge
  3.    Ring gauge
  4.    Plug gauge
 Discuss Question
Answer: Option B. -> Slip gauge
Question 5. For welding plates of thickness less than 5 mm, its edges
  1.    Do not require bevelling
  2.    Should be bevelled to a single-V or U-groove
  3.    Should have a double-V or U-groove on one side
  4.    Should have a double-V or U-groove on both sides
 Discuss Question
Answer: Option A. -> Do not require bevelling
Question 6. The current in electric resistance welding can be regulated by
  1.    Varying the input supply
  2.    Changing the primary turns of the transformer
  3.    Changing the secondary turns of the transformer
  4.    Any one of the above
 Discuss Question
Answer: Option B. -> Changing the primary turns of the transformer
Question 7. In a bilateral system of tolerance, the tolerance is allowed on
  1.    One side of the actual size
  2.    One side of the nominal size
  3.    Both sides of the actual size
  4.    Both sides of the nominal size
 Discuss Question
Answer: Option D. -> Both sides of the nominal size
Question 8. In a unilateral system of tolerance, the tolerance is allowed on
  1.    One side of the actual size
  2.    One side of the nominal size
  3.    Both sides of the actual size
  4.    Both sides of the nominal size
 Discuss Question
Answer: Option B. -> One side of the nominal size
Question 9. Tandem drawing of wires and tubes is necessary because
  1.    It is not possible to reduce at one stage
  2.    Annealing is needed between stages
  3.    Accuracy in dimensions is not possible otherwise
  4.    Surface finish improves after every drawing stage
 Discuss Question
Answer: Option B. -> Annealing is needed between stages
Question 10. Seam welding is best adopted for metal thickness ranging from
  1.    0.025 to 3 mm
  2.    3 to 5 mm
  3.    5 to 8 mm
  4.    8 to 10 mm
 Discuss Question
Answer: Option A. -> 0.025 to 3 mm

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