Rolling Contact Bearings Objective Questions - Set 02 - ObjectiveBooks

Rolling Contact Bearings Objective Questions - Set 02

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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