Machine Design In Vickers hardness testing, the pyramid indentor apex is 40° 122° 152° 136° 40° 122° 152° 136° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Antifriction bearings are Sleeve bearings Thin lubricated bearings Hydrodynamic bearings None of these Sleeve bearings Thin lubricated bearings Hydrodynamic bearings None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/σt pd/2σt pd/4σt pd/3σt pd/σt pd/2σt pd/4σt pd/3σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F + P F F.P P F + P F F.P P ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to 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 Increase the power transmission capacity Prevent the belt from running off the pulley Increase the belt velocity ANSWER DOWNLOAD EXAMIANS APP
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