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 The partial balancing of reciprocating parts in locomotives produces All of these Swaying couple Hammer blow Variation in tractive force along the line of stroke All of these Swaying couple Hammer blow Variation in tractive force along the line of stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Universal joint Rotary engine Whitworth quick return mechanism Elliptical trammels Universal joint Rotary engine Whitworth quick return mechanism Elliptical trammels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case Wear is less Both wear and power absorbed are low Power absorbed is less The pressure developed being high provides tight sealing Wear is less Both wear and power absorbed are low Power absorbed is less The pressure developed being high provides tight sealing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a kinematic chain, a quaternary joint is equivalent to Three binary joints One binary joint Two binary joints Four binary joints Three binary joints One binary joint Two binary joints Four binary joints ANSWER DOWNLOAD EXAMIANS APP