Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is Compressive stress Tensile stress Bending stress Shear stress Compressive stress Tensile stress Bending stress Shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design For longitudinal joint in boilers, the type of joint used is Any one of the above Lap joint with one ring overlapping the other Butt joint with single cover plate Butt joint with double cover plate Any one of the above Lap joint with one ring overlapping the other Butt joint with single cover plate Butt joint with double cover plate ANSWER DOWNLOAD EXAMIANS APP
Machine Design In testing a material for endurance strength, it is subjected to Dynamic load Static load Completely reversed load Impact load Dynamic load Static load Completely reversed load Impact load ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed 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 If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
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