Top 150+ Solved Engineering Mechanics MCQ Questions Answer
Q. The principle of transmissibility of forces states that, when a force acts upon a body, its effect is
a. same at every point on its line of action
b. different at different points on its line of action
c. minimum, if it acts at the centre of gravity of the body
d. maximum, if it acts at the centre of gravity of the body
Q. An ideal machine is one whose efficiency is
a. between 60 to 70%
b. between 70 to 80%
c. between 80 to 90%
d. 100%
Q. When the lift is moving upwards with some acceleration, the pressure exerted by a man is
a. directly
b. inversely
Q. Varingon's theorem of moments states that if a number of coplaner forces acting on a particle are in equilibrium, then
a. their algebraic sum is zero
b. their lines of action are at equal distances
c. the algebraic sum of their moments about any point in their plane is zero
d. the algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point