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MCQs

Total Questions : 1187 | Page 11 of 119 pages
Question 101. In ideal machines
  1.     Mechanical advantage is greater than velocity ratio
  2.     Mechanical advantage is equal to velocity ratio
  3.     Mechanical advantage is less than velocity ratio
  4.     Mechanical advantage is unity
 Discuss Question
Answer: Option B. ->  Mechanical advantage is equal to velocity ratio
Question 102. Dynamic friction as compared to static friction is
  1.     Same
  2.     More
  3.     Less
  4.     May be less of more depending on nature of surfaces and velocity
 Discuss Question
Answer: Option C. ->  Less
Question 103. If n = number of members and y = number of joints, then for a perfect frame, n = ?
  1.     1/2
  2.     2/3
  3.     3/2
  4.     2/4
 Discuss Question
Answer: Option B. ->  2/3
Question 104. The velocity ratio for the third system of pulleys is
  1.     n
  2.     n²
  3.     2n
  4.     2n - 1
 Discuss Question
Answer: Option D. ->  2n - 1
Question 105. The forces, which meet at one point, but their lines of action do not lie in a plane, are called
  1.     Coplanar non-concurrent forces
  2.     Non-coplanar concurrent forces
  3.     Non-coplanar non-concurrent forces
  4.     Intersecting forces
 Discuss Question
Answer: Option B. ->  Non-coplanar concurrent forces
Question 106. The possible loading in various members of framed structures are
  1.     Compression or tension
  2.     Buckling or shear
  3.     Shear or tension
  4.     All of the above
 Discuss Question
Answer: Option A. ->  Compression or tension
Question 107. The c.g. of a solid hemisphere lies on the central radius 3r
  1.     At distance — from the plane base 3r
  2.     At distance — from the plane base 3r
  3.     At distance — from the plane base 3r
  4.     At distance — from the plane base
 Discuss Question
Answer: Option D. ->  At distance — from the plane base
Question 108. The unit of moment of inertia of an area is
  1.     kg-m2
  2.     kg-m-s2
  3.     kg/m2
  4.     m4
 Discuss Question
Answer: Option D. ->  m4
Question 109. A force is completely defined when we specify
  1.     Magnitude
  2.     Direction
  3.     Point of application
  4.     All of the above
 Discuss Question
Answer: Option D. ->  All of the above
Question 110. The unit of work or energy in s.i. units is
  1.     Newton
  2.     Pascal
  3.     Watt
  4.     Joule
 Discuss Question
Answer: Option D. ->  Joule

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