Machine Design A screw is said to be over hauling screw, if its efficiency is More than 50% None of these Less than 50% Equal to 50% More than 50% None of these Less than 50% Equal to 50% 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 πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends on External load applied All of these Relative elastic yielding (springness) of the bolt and the connected member Initial tension External load applied All of these Relative elastic yielding (springness) of the bolt and the connected member Initial tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied Abrupt change of section All of these Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied Abrupt change of section All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pitch point of a cam is A point on the pitch curve having minimum pressure angle Any point on the pitch circle A point on the pitch curve having maximum pressure angle Any point on the pitch curve A point on the pitch curve having minimum pressure angle Any point on the pitch circle A point on the pitch curve having maximum pressure angle Any point on the pitch curve ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.98 0.97 0.96 0.99 0.98 0.97 0.96 0.99 ANSWER DOWNLOAD EXAMIANS APP
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