Lakshya Education MCQs

Question: A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve
Answer: Option B

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Question 1. 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 2. 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 3. If a number of forces act simultaneously on a particle, it is possible
  1.    Not a replace them by a single force
  2.    To replace them by a single force
  3.    To replace them by a single force through C.G.
  4.    To replace them by a couple
Answer: Option B
Question 4. A force is completely defined when we specify
  1.    magnitude
  2.    direction
  3.    point of application
  4.    all of the above
Answer: Option D
Question 5. 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 6. 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

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