Lakshya Education MCQs

Question: A force is completely defined when we specify
C.point of application
D.all of the above
Answer: Option D

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Question 1. A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve
  1.    catenary
  2.    parabola
  3.    hyperbola
  4.    elliptical
Answer: Option B
Question 2. A cable with a uniformly distributed load per horizontal metre run will take the following shape
  1.    Straight line
  2.    Parabola
  3.    Hyperbola
  4.    Elliptical
Answer: Option B
Question 3. A pair of smith’s tongs is an example of the lever of
  1.    zeioth order
  2.    first order
  3.    second order
  4.    third order
Answer: Option C
Question 4. Tangent of angle of friction is equal to
  1.    kinetic friction
  2.    limiting friction
  3.    angle of repose
  4.    coefficient of friction
Answer: Option D
Question 5. D Alembert’s principle is used for
  1.    reducing the problem of kinetics to equivalent statics problem
  2.    determining stresses in the truss
  3.    stability of floating bodies
  4.    designing safe structures
Answer: Option A
Question 6. 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 or
Answer: Option D

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