Theory of Machines MCQ Question with Answer

Question No : 36
Which of the following is a turning pair?

Question No : 37
The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body)

Question No : 38
Inertia force acts

Question No : 39
The train value of a gear train is

Question No : 40
The mechanism consisting of three turning pairs and one sliding pair, is called a

Question No : 41
The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead centre, and n = Ratio of length of connecting rod to the radius of crank)

Question No : 42
When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.