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MCQs

Total Questions : 936 | Page 89 of 94 pages
Question 881. For cutting brass, the hacksaw blade should have ________ teeth per 25 mm.
  1.    24
  2.    40
  3.    32
  4.    14
 Discuss Question
Answer: Option D. -> 14
Question 882. A file removes the metal during
  1.    None of these
  2.    Forward stroke
  3.    Return stroke
  4.    Both forward and return strokes
 Discuss Question
Answer: Option B. -> Forward stroke
Question 883. Notching is the operation of
  1.    Cutting a sheet of metal in a straight line along the length
  2.    Removal of metal to the desired shape from the edge of a plate
  3.    Bending a sheet of metal along a curved axis
  4.    Cutting a sheet of metal through part of its length and then bending the cut portion
 Discuss Question
Answer: Option B. -> Removal of metal to the desired shape from the edge of a plate
Question 884. In arc welding, the electric arc is produced between the work and the electrode by
  1.    All of these
  2.    Voltage
  3.    Flow of current
  4.    Contact resistance
 Discuss Question
Answer: Option D. -> Contact resistance
Question 885. Lancing is the operation of
  1.    Cutting a sheet of metal in a straight line along the length
  2.    Cutting a sheet of metal through part of its length and then bending the cut portion
  3.    Removal of metal to the desired shape from the edge of a plate
  4.    Bending a sheet of metal along a curved axis
 Discuss Question
Answer: Option B. -> Cutting a sheet of metal through part of its length and then bending the cut portion
Question 886. In forehand welding, the weld is made
  1.    From left to right
  2.    Either from left to right or from right to left
  3.    From right to left
  4.    First from left to right and then from right to left
 Discuss Question
Answer: Option C. -> From right to left
Question 887. A diamond pointed chisel is used for cutting
  1.    Grooves
  2.    Key-ways
  3.    V-shaped grooves
  4.    Flat surfaces
 Discuss Question
Answer: Option C. -> V-shaped grooves
Question 888. Spot welding is used for welding
  1.    Lap joints in plates having 0.025 mm to 1.25 mm thickness
  2.    Butt joints in plates having thickness above 3 mm
  3.    Butt joints in plates having 0.025 mm to 1.25 mm thickness
  4.    Lap joints in plates having thickness above 3 mm
 Discuss Question
Answer: Option A. -> Lap joints in plates having 0.025 mm to 1.25 mm thickness
Question 889. Thermit, used in Thermit welding, is a mixture of
  1.    Charcoal, iron oxide and aluminium
  2.    Charcoal and iron oxide
  3.    Charcoal and aluminium
  4.    Iron oxide and aluminium
 Discuss Question
Answer: Option D. -> Iron oxide and aluminium
Question 890. When the dimension is expressed as, then the tolerance is
  1.    0.01 mm
  2.    0.025 mm
  3.    0.035 mm
  4.    0.06 mm
 Discuss Question
Answer: Option D. -> 0.06 mm

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