MCQ
Roads are banked on curves so that
- ✓The speeding vehicles may not fall outwards
- BThe frictional force between the road and vehicle may be decreased
- CThe wear and tear of tyres may be avoided
- DThe weight of the vehicle may be decreased
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$5 \times 10^{-5} /^{\circ} \mathrm{C}$ along the $\mathrm{x}$ -axis and $5 \times 10^{-6} /^{\circ} \mathrm{C}$ along the $y$ and the $z-$axis. If the coefficient of volume expansion of the solid is $\mathrm{C} \times 10^{-6} /^{\circ} \mathrm{C}$ then the value of $\mathrm{C}$ is