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Q. |
Underground cables are laid at sufficient depth |
A. | to minimise temperature stresses |
B. | to avoid being unearthed easily due to removal of soil |
C. | to minimise the effect of shocks and vibrations due to gassing vehicles, etc. |
D. | for all of the above reasons |
Answer» C. to minimise the effect of shocks and vibrations due to gassing vehicles, etc. |
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