Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves None of these Axially upwards or downwards Axially downwards Axially upwards None of these Axially upwards or downwards Axially downwards Axially upwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted Increase the wrap angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is None of these Less than 50% More than 50% Equal to 50% None of these Less than 50% More than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in Handle of a hand pump Lever of a loaded safety valve Hand wheel of a punching press A pair of tongs Handle of a hand pump Lever of a loaded safety valve Hand wheel of a punching press A pair of tongs ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to T/2 2 T 1 T 4 T T/2 2 T 1 T 4 T ANSWER DOWNLOAD EXAMIANS APP
Machine Design The coefficient of friction in belt drive depends upon Material of pulley Material of belt Materials of belt and pulley Belt velocity Material of pulley Material of belt Materials of belt and pulley Belt velocity ANSWER DOWNLOAD EXAMIANS APP
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