Machine Design The rolling contact bearings as compared to sliding contact bearings have Small overall dimensions Low starting and low running friction except at very high speeds All of these Accuracy of shaft alignment Small overall dimensions Low starting and low running friction except at very high speeds All of these Accuracy of shaft alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. None of these Upper surface Lower surface Neutral surface None of these Upper surface Lower surface Neutral surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load Reduce the value of frictional torque Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load Reduce the value of frictional torque Prevent the rotation of load being lifted ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having open ends, the fluid pressure induces Shear stress Circumferential stress Longitudinal stress None of these Shear stress Circumferential stress Longitudinal stress None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα 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 zero at the inner 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 inner surface and zero at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface ANSWER DOWNLOAD EXAMIANS APP
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