Machine Design The material used for brake lining should have __________ coefficient of friction. High None of these Low Moderate High None of these Low Moderate ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is Less than 50% None of these Equal to 50% More than 50% Less than 50% None of these Equal to 50% More than 50% 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/4σt pd/2σt pd/3σt pd/σt pd/4σt pd/2σt pd/3σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Bolts are weakest elements Joint may not open up The resultant load on the bolt would not be affected by the external cyclic load Bolts will not loosen during service Bolts are weakest elements Joint may not open up The resultant load on the bolt would not be affected by the external cyclic load Bolts will not loosen during service 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 16F/ 3πd² 8F/ πd² 4F/ πd² 6F/ πd² 16F/ 3πd² 8F/ πd² 4F/ πd² 6F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited ISO metric thread Acme thread Square thread Buttress thread ISO metric thread Acme thread Square thread Buttress thread ANSWER DOWNLOAD EXAMIANS APP