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 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 Maximum distortion energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Increase shank diameter Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Increase shank diameter Tighten die bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical bevel gearing, the axes of shafts are __________ and the teeth are curved. None of these Non-intersecting and non-parallel Intersecting and non-parallel Intersecting None of these Non-intersecting and non-parallel Intersecting and non-parallel Intersecting ANSWER DOWNLOAD EXAMIANS APP
Machine Design A backing ring is used inside the pipe joint when making a Fillet weld Butt weld Sleeve weld Socket weld Fillet weld Butt weld Sleeve weld Socket weld ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of thick cylinders, the tangential stress across the thickness of cylinder is Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the outer surface and zero at the inner surface ANSWER DOWNLOAD EXAMIANS APP
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