Engineering Mechanics - Interview Questions | Exam2Win

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31. 51. The units of moment of inertia of mass are

A. kg m2

B. m4

C. kg/m2

D. kg/m

E. m2/kg.

Explanation:

32. 45. Centre of gravity of a solid cone lies on the axis at the height

A. one-fourth of the total height above base

B. one-third of the total height above base

C. one-half of the total height above base

D. three-eighth of the total height above the base

E. none of the above.

Explanation:

33. 29. According to principle of moments

A. if a system of coplanar forces is in equilibrium, then their algebraic sum is zero

B. if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero

C. the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point

D. positive and negative couples can be balanced

E. none of the above.

Explanation:

34. 19. Which of the following is not the unit of pressure ?

A. kg/cm

B. ata

C. atmosphere

D. mm of wcl

E. newton.

Explanation:

35. 49. The centre of percussion of the homogeneous rod of length L suspended at the top will be

A. L/2

B. L/3

C. 3L/4

D. 2L/3

E. 3L/8.

Explanation: