Machine Design The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth. None of these Increases Decreases Remain same None of these Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads. Double Same Three times Four times Double Same Three times Four times ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed 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/3σt pd/4σt pd/σt pd/2σt pd/3σt pd/4σt pd/σt pd/2σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Joint may not open up Bolts will not loosen during service Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts will not loosen during service Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is about yield point divided by safety factor Is 50% of yield point Approaches yield point Is just sufficient to hold parts together Is about yield point divided by safety factor Is 50% of yield point Approaches yield point Is just sufficient to hold parts together ANSWER DOWNLOAD EXAMIANS APP
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