Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Increasing Both A and B None of these Reducing Increasing Both A and B None of these Reducing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 5 mm 10 mm 25 mm 15 mm 5 mm 10 mm 25 mm 15 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rated life of a bearing varies Inversely as square of load Inversely as fourth power of load Inversely as cube of load Directly as load Inversely as square of load Inversely as fourth power of load Inversely as cube of load Directly as load ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is maximum at zero speed and decreases 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 minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases 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 minimum at zero speed and increases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oldham coupling is used to connect two shafts Which are not in exact alignment Which are perfectly aligned Whose axes intersect at a small angle Which have lateral misalignment Which are not in exact alignment Which are perfectly aligned Whose axes intersect at a small angle Which have lateral misalignment ANSWER DOWNLOAD EXAMIANS APP
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