Practice Test: Question Set - 02
1. In an application, there is misalignment between the axes of journal and housing bore. Which type of rolling contact bearings you would suggest?
- (A) Spherical
roller bearing
- (B) Self
aligning ball bearing
- (C) Angular
contact bearing
- (D) Both
(A) and (B) above
2. A bearing number XX10 indicates that the bearing is having
- (A) Bore
diameter of 10 mm
- (B) Bore
diameter of 100 mm
- (C) Bore
diameter of 50 mm
- (D) Outer
diameter of 100 mm
3. Stress induced in the balls or rollers of rolling contact bearing is
- (A) Torsional
shear stress
- (B) Tensile
stress
- (C) Crushing
stress
- (D) Contact
stress
4. The rollers of rolling contact bearings are made of
- (A) Case
hardened steel
- (B) Plain
carbon steel
- (C) High
carbon chromium steel
- (D) Free
cutting steel
5. The catalogue life of bearing is
- (A) Minimum
life that 90% of the bearings will reach or exceed
- (B) Maximum life
for 90% of the bearings
- (C) Average life
- (D) Median life
6. Antifriction bearings are
- (A) Oil
lubricated bearings
- (B) Bush
bearings
- (C) Ball and
roller bearings
- (D) Boundary
lubricated bearings
7. The rolling contact bearing is known as
- (A) Sleeve
bearing
- (B) Thin film
bearing
- (C) Antifriction
bearing
- (D) Bush bearing
8. A bearing is designated by the number 410. It means that it is a bearing of
- (A) Light series
with bore diameter of 10 mm
- (B) Heavy series
with bore diameter of 50 mm
- (C) Medium series
with bore diameter of 50 mm
- (D) Light series
with bore diameter of 50 mm
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