Machine Design - Interview Questions | Exam2Win

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16. The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is

A. 0.01 micron

B. 0.1 micron

C. 1 micron

D. 10 microns

E. 25 microns.

Explanation:

17. If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to

A. diameter of bolt

B. 0.75 x diameter of bolt

C. 1.25 x diameter of bolt

D. 1.5 x diameter of bolt

E. 0.5 x diameter of bolt.

Explanation:

18. Whether any core is required in wireropes

A. yes

B. no

C. sometimes

D. rarely

E. very often.

Explanation:

19. In standard taper roller bearings, the angle of taper of outer raceway is

A. 5�

B. 8�

C. 15�

D. 25�

E. 40�.

Explanation:

20. Oil in journal bearing should be applied at the point where load is

A. nil or lightest

B. maximum

C. average

D. any one of the above

E. unpredictable.

Explanation: