MATERIAL SCIENCE - Quiz

1) Which insulator is used in over head lines?

Mica Rubber P.V.C Porcelain

2) Which insulating material is used for making switches?

Porcelain PVC Bakelite Ebonite

3) What is the name of the property of an insulation that should brake down or puncture on application of high voltage?

Di-electric strength Specific resistance Mechanical strenth Non absorption

4) Which alloy steel is using for making precious instrument?

Silicon steel Manganese steel Invar steel Vanadium

5) Which steel is used for making files and cold chisel?

Low carbon steel Midium carbon steel High carbon steel Stainless steel