Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially upwards Axially upwards or downwards None of these Axially downwards Axially upwards Axially upwards or downwards None of these Axially downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called Malleability Ductility Elasticity Plasticity Malleability Ductility Elasticity Plasticity 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 minimum at the outer 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 outer surface and zero 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 minimum at the inner surface Maximum at the outer surface and zero at the inner surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt Has head at one end and other end fits into a tapped hole in the other part to be joined Has a head on one end and a nut fitted to the other Is provided with pointed threads Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined Has a head on one end and a nut fitted to the other Is provided with pointed threads Has both the ends threaded ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a helical compression spring is cut into halves, the stiffness of the resulting spring will be One-half One-fourth Double Same One-half One-fourth Double Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ Pitch circle diameter × cosφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ Pitch circle diameter × cosφ ANSWER DOWNLOAD EXAMIANS APP
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