Machine Design A screw is said to be over hauling screw, if its efficiency is Less than 50% None of these More than 50% Equal to 50% Less than 50% None of these More than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 3.5 2.5 3.0 2.8 3.5 2.5 3.0 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Decreases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Increases the power transmitted Decreases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design The flank of the tooth is the Surface of the tooth above the pitch surface Surface of the top of the tooth Surface of the tooth below the pitch surface Width of the tooth measured along the pitch circle Surface of the tooth above the pitch surface Surface of the top of the tooth Surface of the tooth below the pitch surface Width of the tooth measured along the pitch circle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resilience of a bolt may be increased by Increasing its length Decreasing its shank diameter Increasing its shank diameter Decreasing its length Increasing its length Decreasing its shank diameter Increasing its shank diameter Decreasing its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing ANSWER DOWNLOAD EXAMIANS APP
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