Antifriction bearings are__________________?

Related Mcqs:

A hot short metal is_________________?

A. brittle when cold B. brittle when hot C. brittle under all conditions D. ductile at high temperature E. hard when hot...

At low temperatures (say 75°C) the notched-bar impact value of steel____________________?

A. increases markedly B. decreases markedly C. remains same D. depends on heat treatment carried out E. none of the above...

The strap end of a connecting rod of steam engine is joined by_________________?

A. gib of cotter joint B. sleeve and cotter joint C. spigot socket cotter joint D. knuckle joint E. universal coupling...

In standard taper roller bearings, the angle of taper of outer raceway is___________________?

A. 5° B. 8° C. 15° D. 25° E. 40°....

Gear box is used___________________?

A. to produce torque B. for speed reduction C. to obtain variable speeds D. to increase efficiency of system E. to damp out vibrations...