A Best Way To Crack Gorenment Job Exams

Engineering Mechanics MCQs

Mechanical Engineering Objective Questions

Home / Mechanical Engineering / Engineering Mechanics



302. The rate of doing work is known as
A. potential energy
B. kinetic energy
C. power
D. none of these
Discussion
303. Moment of inertia of a circular section about its diameter (d) is
A. πd3/16
B. πd3/32
C. πd4/32
D. πd4/64
Discussion
304. The unit of work in S.I. units is
A. newton
B. erg
C. kg-m
D. joule
Discussion
305. 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
Discussion
306. A framed structure is imperfect, if the number of members are __________ (2j - 3).
A. equal to
B. less than
C. greater than
D. either (b) or (c)
Discussion
307. The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad / s2, is
A. a = α/ r
B. a = α.r
C. a = r / α
D. none of these
Discussion
308. The total energy possessed by a system of moving bodies
A. is constant at every instant
B. varies from point to point
C. is maximum in the start and minimum at the end
D. is minimum in the start and maximum at the end
Discussion

Page 44 of 59

« 42 43  44  4546 »