Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Move towards right of the bearing making no metal to metal contact Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt can be increased by 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 Grinding the shank Tightening it properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fibrous fracture occurs in Elastic material Hard material Brittle material Ductile material Elastic material Hard material Brittle material Ductile material 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 τ/2 2 τ 4 τ τ τ/2 2 τ 4 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 80 to 90% 45 to 60% 63 to 70% 70 to 83% 80 to 90% 45 to 60% 63 to 70% 70 to 83% ANSWER DOWNLOAD EXAMIANS APP
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