Due to which of the following coefficient of adhesion improves? Options: A . &nbspRust on the rails B . &nbspDust on the rails C . &nbspSand on the rails D . &nbspAll of the above

Due to which of the following coefficient of adhesion improves?

Question - Due to which of the following coefficient of adhesion improves?

Options:

A . Rust on the rails

B . Dust on the rails

C . Sand on the rails

D . All of the above

Answer: Option D

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