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 strain energy theory Maximum distortion energy theory Maximum shear stress theory Maximum principal stress theory Maximum strain energy theory Maximum distortion energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resilience of a bolt may be increased by Increasing its length Decreasing its length Decreasing its shank diameter Increasing its shank diameter Increasing its length Decreasing its length Decreasing its shank diameter Increasing its shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings are known as Plastic bearings Thin lubricated bearings Antifriction bearings Thick lubricated bearings Plastic bearings Thin lubricated bearings Antifriction bearings Thick lubricated bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called Fatigue strength Embeddability Comformability Bondability Fatigue strength Embeddability Comformability Bondability ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to (1/2) × √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) √(M² + T²) (1/2) × √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
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