Question

QUESTION 25 018 Which one of the following materials has high internal damping? Copper Brass Silver Cast Iron QUESTION 26 019 A long rotor can be balanced by adding weights in a single plane three specific planes two specific planes anywe planes Chicksand Sub e and Click SAN ASS alla Save AB VES , MONO

Answer 1

Answer no 18- cast iron

Cast iron have high internal damping due to this it have high shock absorbing capacity and this is the reason why machine beds are made by cast iron

Answer no -19 a single plane

A rotating mass can be balanced by adding a single weight in the same plane