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37.

The maximum strain energy that can be stored in a body is known as                        


A. impact energy B. resilience
C. proof resilience D. modulus of resilience




38.

The property of a material by virtue of which a body returns to its original, shape after removal of the load is called                        


A. plasticity B. elasticity
C. ductility D. malleability




39.

The property of a material by virtue of which it can be beaten or rolled into plates is called                        


A. malleability B. ductility
C. plasticity D. elasticity




40.

The property of a material which allows it to be drawn into a smaller section is called                        


A. plasticity B. ductility
C. elasticity D. malleability




41.

The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to                        


A. Young's modulus B. bulk modulus
C. modulus of rigidity D. modulus of elasticity




42.

The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be                        


A. 1:2 B. 1 : 3
C. 1 : 4 D. 1 : 2.5




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