App Logo

No.1 PSC Learning App

1M+ Downloads
Which of the following non-metals can be used as bearing materials?

AGraphite

BPlastics(Teflon)

CRubber

DAll of above.

Answer:

D. All of above.


Related Questions:

The number of steps in a flight should not exceed ..... numbers
The resistance of a conductor increases as its
The working principle of optical square is based on
Which is not necessary in an airport?
Apex line of a slopping roof is called