Top 150+ Solved Engineering Mechanics MCQ Questions Answer
Q. A framed structure is imperfect, if the number of members are
a. equal to
b. less than
c. greater than
d. either (b) or (c)
Q. The resultant of two equal forces P making an angle ?, is given by
a. 2 P sin ?/2
b. 2 P cos ? / 2
c. 2 P tan ?/2
d. 2 P cot ?/2
Q. The static friction
a. bears a constant ratio to the normal reaction between the two surfaces
b. is independent of the area of contact, between the two surfaces
c. always acts in a direction, opposite to that in which the body tends to move
d. all of the above
Q. The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is
a. mr2 / 2
b. mr2 / 4
c. mr2 / 6
d. mr2 / 8
Q. If the body falls freely under gravity, then the gravitational acceleration is taken as
a. Plus 8.9 m/s2
b. ? 8.9 m/s2
c. Plus 9.8 m/s2
d. ? 9.8 m/s2
Q. Mass moment of inertia of a thin rod about its one end is
a. same as
b. twice
c. thrice
d. four times