Why are railway tracks dusted with sand

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Target Exam

CUET

Subject

General Test

Chapter

General Knowledge

Topic

Physics

Question:

Why are railway tracks dusted with sand during the rainy season?

Options:

To make it always wet

Increase the friction

reduce the consumption of fuel

To make it always dry

Correct Answer:

Increase the friction

Explanation:

Sand is dusted to the railway tracks to reduce the smoothness of the track. This results in increase of friction.