Machine Design In Vickers hardness testing, the pyramid indentor apex is 136° 40° 152° 122° 136° 40° 152° 122° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Increase the power transmission capacity Prevent the belt from running off the pulley Increase the belt velocity Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Prevent the belt from running off the pulley Increase the belt velocity Prevent the belt joint from damaging the belt surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because New and old belts will cause vibrations The new belt will carry more than its share and result in short life Belts are available in sets Only one belt cannot be fitted with other used belts New and old belts will cause vibrations The new belt will carry more than its share and result in short life Belts are available in sets Only one belt cannot be fitted with other used belts ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Compression coupling Flange coupling All of these Muff coupling Compression coupling Flange coupling All of these Muff coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oldham coupling is used to connect two shafts Whose axes intersect at a small angle Which have lateral misalignment Which are perfectly aligned Which are not in exact alignment Whose axes intersect at a small angle Which have lateral misalignment Which are perfectly aligned Which are not in exact alignment 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
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