Machine Design In Vickers hardness testing, the pyramid indentor apex is 136° 122° 152° 40° 136° 122° 152° 40° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of idler pulley in belt drive is to Increase the wrap angle and belt tension Decrease the tendency of belt to slip All the above objectives Increase the power transmission capacity Increase the wrap angle and belt tension Decrease the tendency of belt to slip All the above objectives Increase the power transmission capacity 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 2 τ 4 τ τ/2 τ 2 τ 4 τ τ/2 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 4F/ πd² 16F/ 3πd² 6F/ πd² 8F/ πd² 4F/ πd² 16F/ 3πd² 6F/ πd² 8F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The acme threads are usually found on Railway carriage couplings Feed mechanism of machine tools Spindles of bench vices Screw cutting lathes Railway carriage couplings Feed mechanism of machine tools Spindles of bench vices Screw cutting lathes ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of medium series have capacity __________ over the light series. 30 to 40% 40 to 50% 10 to 20% 20 to 30% 30 to 40% 40 to 50% 10 to 20% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP