Machine Design A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is 2 kN-m 1 kN-m 3 kN-m 4 kN-m 2 kN-m 1 kN-m 3 kN-m 4 kN-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Acts when external load is applied Becomes zero when external load is removed Is always harmful Is independent of external loads Acts when external load is applied Becomes zero when external load is removed Is always harmful Is independent of external loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 4F/ πd² 16F/ 3πd² 8F/ πd² 6F/ πd² 4F/ πd² 16F/ 3πd² 8F/ πd² 6F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Increases markedly Depends on heat treatment carried out Decreases markedly Remain same Increases markedly Depends on heat treatment carried out Decreases markedly Remain same 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 distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory Maximum distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Wood ruff key Flat saddle key Gib-head key Feather key Wood ruff key Flat saddle key Gib-head key Feather key ANSWER DOWNLOAD EXAMIANS APP
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