Theory of Machine The example of rolling pair is Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing ANSWER DOWNLOAD EXAMIANS APP
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 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels Two pairs turning and two pairs sliding One pair turning and three pairs sliding Three pairs turning and one pair sliding All four pairs are turning Two pairs turning and two pairs sliding One pair turning and three pairs sliding Three pairs turning and one pair sliding All four pairs are turning ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To dip the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail To raise the nose and tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W sinθ W tanθ W cosecθ W cosθ W sinθ W tanθ W cosecθ W cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Minimize the effect of secondary forces Have perfect balancing Minimize the effect of primary forces To start the locomotive quickly Minimize the effect of secondary forces Have perfect balancing Minimize the effect of primary forces To start the locomotive quickly ANSWER DOWNLOAD EXAMIANS APP
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