Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Feather key Tangent key Woodruff key Gib-head key Feather key Tangent key Woodruff key Gib-head key ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Crossed belt drive transmits more power than open belt drive Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to withstand resistance to wear, the best profile of gear is 14½° full depth involute tooth 20° full depth involute tooth 20° involute stub tooth 14½° stub tooth 14½° full depth involute tooth 20° full depth involute tooth 20° involute stub tooth 14½° stub tooth ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Equally serious in both cases Ductile materials Brittle materials Depends on other factors Equally serious in both cases Ductile materials Brittle materials Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
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