Why is greasing used on bicycle chains?

Type: MCQ • Marks: 1

A. It produces hydrogen

B. It makes chain brittle

C. It reduces corrosion and friction

D. It makes chain transparent

Explanation

Grease protects the metal surface from air and moisture and also reduces friction.

Want to attempt the full test series with a timer and instant score? Purchase the package to unlock the complete test. Purchase Now

Class 7th Curiosity

This page is indexed for search so students can find questions directly from Google.

Welcome to TutorWale!