Mechanical Engineering : Theory Of Machines QUESTIONS AND ANSWERS :: part6 : 1 to 5
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.The maximum value of the pressure angle in case of cam is kept as |
| 10� |
| 14� |
| 20� |
| 30� |
| 25�. |
2.Angle of dwell of cam is defined as the angle |
| during which the follower returns to its initial position |
| of rotation of the cam for definite displacement of the follower |
| through which the cam rotates during the period in which the follower remains in the highest position |
| moved by the cam from the instant the follower begins to rise, till it reaches its highest position |
| moved by the cam from a beginning of ascent to the termination of descent. |
3.The pressure angle of a cam depends upon |
| offset between center lines of cam and follower |
| lift of follower |
| angle of ascent |
| sum of radii of base circle and roller follower |
| all of the above. |
4.Corioli's component acts |
| perpendicular to sliding surfaces |
| along sliding surfaces |
| somewhere in between above two |
| unpredictable |
| none of the above. |
5.Cylindrical cams can be classified as |
| circular |
| tangent |
| reciprocating |
| all of the above |
| none of the above. |
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