42) The rolling contact bearings are known as
Answer is:
Antifriction bearings
Related ITI Fitter Question Paper 2017 Fourth Semester (Set - 1) with Answer Key
Answer is:
3 degree
Answer is:
Tin and Zinc
Explanation:
Gun metal is an alloy of copper, Tin and Zinc
Answer is:
Copper and Zinc
Explanation:
Brass is an alloy of Copper and zinc