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MCQs

Total Questions : 1033 | Page 101 of 104 pages
Question 1001. Frictional force encountered after commencement of motion is called
  1.    frictional resistance
  2.    dynamic friction
  3.    limiting friction
  4.    post friction
 Discuss Question
Answer: Option B. -> dynamic friction
Question 1002. Center of percussion is
  1.    the point of C.G.
  2.    point of suspension
  3.    the point of metacentre
  4.    the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
 Discuss Question
Answer: Option D. -> the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
Question 1003. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of
  1.    resolution of forces.
  2.    independence of forces
  3.    forces
  4.    balance of force
 Discuss Question
Answer: Option A. -> resolution of forces.
Question 1004. Two coplanar couples having equal and opposite moments
  1.    Balance each other
  2.    Produce a couple and an unbalanced force
  3.    Are equivalent
  4.    Produce a moment of couple
 Discuss Question
Answer: Option D. -> Produce a moment of couple
Question 1005. The unit of force in S.I. units is
  1.    dyne
  2.    kilogram
  3.    newton
  4.    watt
 Discuss Question
Answer: Option C. -> newton
Question 1006. The unit of work or energy in S.I. units is
  1.    pascal
  2.    joule
  3.    watt
  4.    newton
 Discuss Question
Answer: Option B. -> joule
Question 1007. The unit of power in S.I. units is
  1.    watt
  2.    newton meter
  3.    kilogram meter/sec.
  4.    joule
 Discuss Question
Answer: Option A. -> watt
Question 1008. The C.G. of a plane lamina will not be at its geometrical centre in the case of a
  1.    circle
  2.    square
  3.    equilateral triangle
  4.    right angled triangle
 Discuss Question
Answer: Option D. -> right angled triangle
Question 1009. The product of either force of couple with the arm of the couple is called
  1.    moment of the forces
  2.    moment of the couple
  3.    resulting couple
  4.    resultant couple
 Discuss Question
Answer: Option B. -> moment of the couple
Question 1010. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
  1.    along the plane
  2.    vertically
  3.    horizontally
  4.    at an angle equal to the angle of friction to the inclined plane
 Discuss Question
Answer: Option D. -> at an angle equal to the angle of friction to the inclined plane

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