Machine Design A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material. None of these Medium Greater Smaller None of these Medium Greater Smaller ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Equal to Smaller than Larger than None of these Equal to Smaller than Larger than None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Load required to produce unit deflection Indication of quality of spring Its capability of storing energy Ratio of coil diameter to wire diameter Load required to produce unit deflection Indication of quality of spring Its capability of storing energy Ratio of coil diameter to wire diameter 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 Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design In leaf springs, the longest leaf is known as Upper leaf None of these Master leaf Lower leaf Upper leaf None of these Master leaf Lower leaf ANSWER DOWNLOAD EXAMIANS APP