To prevent the decaying owing to snow and rain, the wooden poles are protected by________.
A. Aluminimum
B. Zinc C. Cement
Only A
Only B
Only C
A, B and C
A, B and C
An aluminum,
zinc or cement cap is used at the top of the wooden pole to prevent decay due
to snow and rain they are widely used for distribution purpose up to the 22 kV
and short spans (up to 60m).
Hence, the
correct option is (D).
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