Mechanical Engineering Questions And Answers :: Engineering Mechanics: part2



Mechanical Engineering : Engineering Mechanics QUESTIONS AND ANSWERS :: part2 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.31. According to law of triangle of forces

three forces acting at a point will be in equilibrium
three forces acting at a point can be represented by a triangle, each side being proportional to force
if three forces acting upon a patticle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equi�librium
if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two
none of the above.

12.44. The centre of gravity of a uniform lamina lies at

the centre of heavy portion
the bottom surface
the mid point of its axis
all of the above
none of the above.

13.51. The units of moment of inertia of mass are

kg m2
m4
kg/m2
kg/m
m2/kg.

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

one-fourth of the total height above base
one-third of the total height above base
one-half of the total height above base
three-eighth of the total height above the base
none of the above.

15.29. According to principle of moments

if a system of coplanar forces is in equilibrium, then their algebraic sum is zero
if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point
positive and negative couples can be balanced
none of the above.

More Engineering Mechanics QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Failure defeats losers, failure inspires winners.-Robert T. Kiyosaki