Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 8 fn fn/2 2 fn 4 fn 8 fn fn/2 2 fn 4 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? None of these Watt governor Porter governor Hartnell governor None of these Watt governor Porter governor Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be To raise the stern and lower the bow To move the ship towards port side To move the ship towards starboard To raise the bow and lower the stern To raise the stern and lower the bow To move the ship towards port side To move the ship towards starboard To raise the bow and lower the stern ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An exact straight line motion mechanism is a Peaucellier's mechanism All of these Scott-Russell's mechanism Hart's mechanism Peaucellier's mechanism All of these Scott-Russell's mechanism Hart's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.4985/√δ 0.5615/√δ 0.6253/√δ 0.571/√δ 0.4985/√δ 0.5615/√δ 0.6253/√δ 0.571/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies inversely with the square of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies inversely with the square of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses ANSWER DOWNLOAD EXAMIANS APP