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MCQs

Total Questions : 2607 | Page 7 of 261 pages
Question 61. Taper usually provided on cotter is
  1.    1 in 5
  2.    1 in 10
  3.    1 in 24
  4.    1 in 40
 Discuss Question
Answer: Option C. -> 1 in 24
Question 62. The included angle between the sides of V-belt is
  1.    40°
  2.    45°
  3.    38°
  4.    60°
 Discuss Question
Answer: Option A. -> 40°
Question 63. The width of the pulley should be __________ width of the belt.
  1.    Equal to
  2.    Less than
  3.    Greater than
  4.    None of these
 Discuss Question
Answer: Option C. -> Greater than
Question 64. The material used for brake lining should have __________ coefficient of friction.
  1.    Low
  2.    High
  3.    Moderate
  4.    None of these
 Discuss Question
Answer: Option B. -> High
Question 65. Form coefficient of spring is
  1.    Ratio of coil diameter to wire diameter
  2.    Load required to produce unit deflection
  3.    Its capability of storing energy
  4.    Concerned with strength of wire of spring
 Discuss Question
Answer: Option C. -> Its capability of storing energy
Question 66. The piston pin bearings in heavy duty diesel engines are
  1.    Needle roller bearings
  2.    Tapered roller bearings
  3.    Spherical roller bearings
  4.    Cylindrical roller bearings
 Discuss Question
Answer: Option A. -> Needle roller bearings
Question 67. A locking device extensively used in automobile industry is a
  1.    Jam nut
  2.    Castle nut
  3.    Sawn nut
  4.    Ring nut
 Discuss Question
Answer: Option B. -> Castle nut
Question 68. The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using
  1.    Gerber relation
  2.    Soderberg relation
  3.    Goodman relation
  4.    None of these
 Discuss Question
Answer: Option C. -> Goodman relation
Question 69. Creep in belt is due to
  1.    Material of the belt
  2.    Material of the pulley
  3.    Uneven extensions and contractions due to varying tension
  4.    All of the above
 Discuss Question
Answer: Option C. -> Uneven extensions and contractions due to varying tension
Question 70. The spring mostly used in gramophones is
  1.    Helical spring
  2.    Conical spring
  3.    Flat spiral spring
  4.    Volute spring
 Discuss Question
Answer: Option C. -> Flat spiral spring

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