Machine Design Three different weights fall from a certain height under vacuum. They will take Times inversely proportional to weight to reach earth Same time to reach earth None of these Times proportional to weight to reach earth Times inversely proportional to weight to reach earth Same time to reach earth None of these Times proportional to weight to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The creep in the belt is due to Effect of temperature on belt Stresses beyond elastic limit of belt material Unequal extensions in the belt due to tight and slack side tensions Material of belt Effect of temperature on belt Stresses beyond elastic limit of belt material Unequal extensions in the belt due to tight and slack side tensions Material of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lower deviation is the algebraic difference between the None of these Minimum limit and the basic size Maximum limit and the basic size Actual size and the corresponding basic size None of these Minimum limit and the basic size Maximum limit and the basic size Actual size and the corresponding basic size ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the effort needed for lifting the working load Reduce the value of frictional torque Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load Reduce the value of frictional torque Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ/2 τ 2 τ 4 τ τ/2 τ 2 τ 4 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt can be increased by Grinding the shank Tightening it properly Making shank diameter equal to core diameter of thread Increasing shank diameter Grinding the shank Tightening it properly Making shank diameter equal to core diameter of thread Increasing shank diameter ANSWER DOWNLOAD EXAMIANS APP