MCQs

Total Questions : 2607 | Page 38 of 261 pages
Question 371. When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.
  1.    Rectangular
  2.    Square
  3.    Parallel
  4.    None of these
 Discuss Question
Answer: Option C. -> Parallel
Question 372. When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the
  1.    Thread
  2.    Middle
  3.    Shank
  4.    Head
 Discuss Question
Answer: Option A. -> Thread
Question 373. The arms of the pulleys for flat belt drive have
  1.    Elliptical cross-section
  2.    Major axis in plane of rotation
  3.    Major axis twice the minor axis
  4.    All the three characteristics
 Discuss Question
Answer: Option D. -> All the three characteristics
Question 374. A shaft coupling should
  1.    Be easy to connect or disconnect
  2.    Transmit full power of the shaft
  3.    Hold the shafts in perfect alignment
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 375. When carbon in the cast iron is principally in the form of graphite, the cast iron will be of
  1.    Brown colour
  2.    Yellow colour
  3.    White colour
  4.    Grey colour
 Discuss Question
Answer: Option D. -> Grey colour
Question 376. In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that
  1.    The effect of curvature of the cylinder wall is neglected
  2.    The tensile stresses are uniformly distributed over the section of the walls
  3.    The effect of the restraining action of the heads at the end of the pressure vessel is neglected
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 377. A rivet is specified by
  1.    Shank diameter
  2.    Length of rivet
  3.    Type of head
  4.    Length of tail
 Discuss Question
Answer: Option A. -> Shank diameter
Question 378. Resilience of a material is important, when it is subjected to
  1.    Combined loading
  2.    Fatigue
  3.    Thermal stresses
  4.    Shock loading
 Discuss Question
Answer: Option D. -> Shock loading
Question 379. In testing a material for endurance strength, it is subjected to
  1.    Static load
  2.    Dynamic load
  3.    Impact load
  4.    Completely reversed load
 Discuss Question
Answer: Option D. -> Completely reversed load
Question 380. A shaft is subjected to
  1.    Bending stresses
  2.    Shear stresses
  3.    Combined bending and shear stresses
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these

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