Theory of Machines - Interview Questions | Exam2Win

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26. The maximum value of the pressure angle in case of cam is kept as

A. 10�

B. 14�

C. 20�

D. 30�

E. 25�.

Explanation:

27. Angle of dwell of cam is defined as the angle

A. during which the follower returns to its initial position

B. of rotation of the cam for definite displacement of the follower

C. through which the cam rotates during the period in which the follower remains in the highest position

D. moved by the cam from the instant the follower begins to rise, till it reaches its highest position

E. moved by the cam from a beginning of ascent to the termination of descent.

Explanation:

28. The pressure angle of a cam depends upon

A. offset between center lines of cam and follower

B. lift of follower

C. angle of ascent

D. sum of radii of base circle and roller follower

E. all of the above.

Explanation:

29. Corioli's component acts

A. perpendicular to sliding surfaces

B. along sliding surfaces

C. somewhere in between above two

D. unpredictable

E. none of the above.

Explanation:

30. Cylindrical cams can be classified as

A. circular

B. tangent

C. reciprocating

D. all of the above

E. none of the above.

Explanation: