Machine Design Wire ropes as compared to cotton ropes Can withstand shock loads Are lighter in weight All of these Offer silent operation Can withstand shock loads Are lighter in weight All of these Offer silent operation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Increase the belt velocity Prevent the belt from running off the pulley Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Increase the belt velocity Prevent the belt from running off the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force) 1 Pc 2 Pc Pc/3 3 Pc 1 Pc 2 Pc Pc/3 3 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cross-section of the arm of a bell crank lever is I-section Elliptical Any one of these Rectangular I-section Elliptical Any one of these Rectangular ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a steam engine, the piston rod is usually connected to the cross-head by means of a Oldham coupling Knuckle joint Cotter joint Universal joint Oldham coupling Knuckle joint Cotter joint Universal joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Ratio of coil diameter to wire diameter Indication of quality of spring Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter Indication of quality of spring Its capability of storing energy Load required to produce unit deflection ANSWER DOWNLOAD EXAMIANS APP