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 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 Increasing the cross-section area of bar Would depend upon other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum shear stress theory Maximum principal stress theory Maximum distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory Maximum distortion energy theory Maximum strain energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of the ultimate stress to the design stress is known as Elastic limit Bulk modulus Strain Factor of safety Elastic limit Bulk modulus Strain Factor of safety ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B. Twice Four times Sixteen times Eight times Twice Four times Sixteen times Eight times ANSWER DOWNLOAD EXAMIANS APP
Machine Design Brittle coating technique is used for Protecting metal against wear and tear Determining brittleness Experimental stress analysis Protecting metal against corrosion Protecting metal against wear and tear Determining brittleness Experimental stress analysis Protecting metal against corrosion ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Increasing its shank diameter Decreasing its shank diameter Tightening the bolt properly Making the shank diameter equal to core diameter of thread Increasing its shank diameter Decreasing its shank diameter Tightening the bolt properly Making the shank diameter equal to core diameter of thread ANSWER DOWNLOAD EXAMIANS APP
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