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MCQs

Total Questions : 79 | Page 6 of 8 pages
Question 51. The co-efficient of elastic uniform compression of soil depends on which of the following factor?
  1.    Size of area of foundation
  2.    Mass of foundation
  3.    Exciting force
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Size of area of foundation
Answer: (a).Size of area of foundation
Question 52. On calculating the natural frequency of the system, Barken did not take into account of __________
  1.    Contact area
  2.    Frequency ratio
  3.    Mass of the vibrating soil
  4.    Mass of machine
 Discuss Question
Answer: Option C. -> Mass of the vibrating soil
Answer: (c).Mass of the vibrating soil
Question 53. What are the methods for determining the natural frequency of the foundation of soil system?
  1.    Barken’s method and Rankine’s method
  2.    Pauw’s method
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Barken’s method and Rankine’s method
Answer: (a).Barken’s method and Rankine’s method
Question 54. In a damped force vibratory system, the support is derived by _______
  1.    Co-vibrating body
  2.    Spring mass system
  3.    Transmitting force
  4.    Soil mass
 Discuss Question
Answer: Option C. -> Transmitting force
Answer: (c).Transmitting force
Question 55. The size of co-vibrating body of soil depends on _________
  1.    Soil mass
  2.    Apparent soil mass
  3.    Transmitted force
  4.    Size of the base area
 Discuss Question
Answer: Option D. -> Size of the base area
Answer: (d).Size of the base area
Question 56. The rotation of foundation about y axes is known as _____________
  1.    Yawning
  2.    Pitching
  3.    Rocking
  4.    All of the mentioned
 Discuss Question
Answer: Option C. -> Rocking
Answer: (c).Rocking
Question 57. Barken’s method is used in ___________ places.
  1.    Congested area
  2.    Design offices
  3.    Working area
  4.    All of the mentioned
 Discuss Question
Answer: Option C. -> Working area
Answer: (c).Working area
Question 58. The permissible amplitude should not exceed ___________ for reciprocating machine.
  1.    Probable amplitude
  2.    Limiting amplitude
  3.    Maximum amplitude
  4.    Minimum amplitude
 Discuss Question
Answer: Option B. -> Limiting amplitude
Answer: (b).Limiting amplitude
Question 59. If the combined C.G. of the machine and foundation lies in the same vertical line, then the twisting modes are _________
  1.    Coupled
  2.    Uncoupled
  3.    All of the mentioned
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Uncoupled
Answer: (b).Uncoupled
Question 60. The value of kx for the elastic support of soil is given by which of the following expression?
  1.    Kx = Cu A
  2.    Kx = Cϴ Iy
  3.    Kx = Cx A
  4.    Kx = Cu Iy
 Discuss Question
Answer: Option C. -> Kx = Cx A
Answer: (c).Kx = Cx A

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