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(C) The area enclosed by the stress-strain hysteresis loop represents the energy dissipated as heat per unit volume during one cycle of loading and un

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$B$ is suitable for shock absorbers.

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(C) The area enclosed by the stress-strain hysteresis loop represents the energy dissipated as heat per unit volume during one cycle of loading and unloading.$1$. Materials with a large hysteresis loop (large area) are suitable for shock absorbers because they can absorb and dissipate a significant amount of mechanical energy,thereby damping vibrations effectively.$2$. Materials with a small hysteresis loop (small area) are suitable for car tyres because they minimize energy loss as heat,preventing the tyres from overheating during continuous use.Looking at the provided graphs,the area of the loop for material $B$ is larger than that for material $A$. Therefore,material $B$ is more suitable for shock absorbers,and material $A$ is more suitable for car tyres.

Column-$I$	Column-$II$
$(a)$ Graph $A$	$(i)$ $A$ is ductile
$(b)$ Graph $B$	$(ii)$ $A$ is brittle
	$(iii)$ $B$ is ductile
	$(iv)$ $B$ is brittle

Two different types of rubber are found to have the stress-strain curves as shown. Then:

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In Column-$I$ there are two stress-strain graphs,and in Column-$II$ the nature of the materials is given. Match them appropriately:
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$(a)$ Graph $A$ $(i)$ $A$ is ductile
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