Machine Design Failure of a material is called fatigue when it fails Below the yield point At the yield point At the elastic limit Below the elastic limit Below the yield point At the yield point At the elastic limit Below the elastic limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle 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 Would depend upon other factors Decreasing the cross-section area of bar Remain unaffected with cross-section area Increasing the cross-section area of bar Would depend upon other factors Decreasing the cross-section area of bar Remain unaffected with cross-section area Increasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the External load applied Sum of the initial tension and external load applied Initial tension Initial tension or external load, whichever is greater External load applied Sum of the initial tension and external load applied Initial tension Initial tension or external load, whichever is greater ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resistance to fatigue of a material is measured by Elastic limit Young's modulus Endurance limit Ultimate tensile strength Elastic limit Young's modulus Endurance limit Ultimate tensile strength ANSWER DOWNLOAD EXAMIANS APP
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