Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially upwards None of these Axially downwards Axially upwards or downwards Axially upwards None of these Axially downwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to 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 Prevent the belt joint from damaging the belt surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The static tooth load should be __________ the dynamic load. Equal to Greater than None of these Less than Equal to Greater than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following loading is considered for the design of axles? Combined bending moment and twisting moments Bending moment only Combined action of bending moment, twisting moment and axial thrust Twisting moment only Combined bending moment and twisting moments Bending moment only Combined action of bending moment, twisting moment and axial thrust Twisting moment only ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tap bolt Has head at one end and other end fits into a tapped hole in the other part to be joined Has a head on one end and a nut fitted to the other Has pointed threads Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined Has a head on one end and a nut fitted to the other Has pointed threads Has both the ends threaded ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
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