Ball bearings are provided with a cage:
ATo reduce friction
BTo facilitate slipping of balls
CTo prevent lubricant from flowing out
DTo maintain balls at fixed distance apart
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
At the magnetic poles, the amount of dip is
A solid figure contained by four equal equilateral triangles is
A cost incurred in the past and that cannot be recovered in the future is called_______
The process of turning the telescope over its horizontal axis through 180°, in a vertical plane in theodolite traversing is
Title blocks shall be placed in the drawing sheet at the