Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The moment on the pulley which produces rotation is called Inertia Momentum Moment of momentum Torque Inertia Momentum Moment of momentum Torque ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Less sensitive Isochronous More sensitive Unaffected of sensitivity Less sensitive Isochronous More sensitive Unaffected of sensitivity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Mechanism Kinematic chain Structure Inversion Mechanism Kinematic chain Structure Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Watt governor None of these Hartnell governor Porter governor Watt governor None of these Hartnell governor Porter governor ANSWER DOWNLOAD EXAMIANS APP