Machine Design In hydrostatic bearings The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in the belt Has no effect on the power transmitted Is equal to maximum tension on the belt Decreases the power transmitted Increases the power transmitted Has no effect on the power transmitted Is equal to maximum tension on the belt Decreases the power transmitted Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Decreases Increases Remains unchanged None of these Decreases Increases Remains unchanged None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 10 N-m 7 N-m 15 N-m 5 N-m 10 N-m 7 N-m 15 N-m 5 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The ratio of endurance limit with stress concentration to the endurance limit without stress concentration ANSWER DOWNLOAD EXAMIANS APP
Machine Design If threads on a bolt are left hand, threads on nut will be Left hand with same pitch Could be left or right hand Right hand with same pitch Right hand with fine pitch Left hand with same pitch Could be left or right hand Right hand with same pitch Right hand with fine pitch ANSWER DOWNLOAD EXAMIANS APP
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