The coefficient of adhesion is highest when Options: A . &nbspthe rails are dry B . &nbspthe rails are oiled C . &nbspthe rails ark wet with dew D . &nbspthe rails are dusty

The coefficient of adhesion is highest when

Question

The coefficient of adhesion is highest when

Options:

A . the rails are dry

B . the rails are oiled

C . the rails ark wet with dew

D . the rails are dusty

Answer: Option A

the rails are dry

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