Theory of Machine A body is said to be under forced vibrations, when There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that Governor A is more sensitive than governor B Both governors A and B are equally sensitive None of these Governor B is more sensitive than governor A Governor A is more sensitive than governor B Both governors A and B are equally sensitive None of these Governor B is more sensitive than governor A ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A straight line A triangle Two lines A point A straight line A triangle Two lines A point ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following can completely balance several masses revolving in different planes on a shaft? Two equal masses in any two planes A single mass in different planes A single mass in one of the planes of the revolving masses Two masses in any two planes Two equal masses in any two planes A single mass in different planes A single mass in one of the planes of the revolving masses Two masses in any two planes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Universal joint Knuckle joint Flexible coupling Oldham's coupling Universal joint Knuckle joint Flexible coupling Oldham's coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ m₂ = r₁ r₂ None of these m₁ r₁ = m₂ r₂ m₁ r₂ = m₂ r₁ m₁ m₂ = r₁ r₂ None of these m₁ r₁ = m₂ r₂ m₁ r₂ = m₂ r₁ ANSWER DOWNLOAD EXAMIANS APP
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