The value of coefficient of adhesion will be high when rails are Options: A . &nbspGreased B . &nbspWet C . &nbspSprayed with oil D . &nbspCleaned with sand

The value of coefficient of adhesion will be high when rails are

Question

The value of coefficient of adhesion will be high when rails are

Options:

A . Greased

B . Wet

C . Sprayed with oil

D . Cleaned with sand

Answer: Option D

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