SECTION-1

#### Theory of Machine objective type questions/Multiple choice questions

(a) four

(b) five

(c) six

(d) seven

Ans: (d) seven

###### Q22. Which of the following statement is correct?

(a) The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation.

(b) The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.

(c) The velocity of a particle moving with simple harmonic motion is zero at the mean position.

(d) The acceleration of the particle moving with simple harmonic motion is maximum at the mean position.

Ans: (a) The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation.

###### Q23. In a simple harmonic motion, the velocity vector with respect to displacement vector

(a) is in a phase

(d)  lags by 90°

Ans: (d)  lags by 90°

###### Q24. When the body is suspended at the point of suspension, its periodic time and frequency will be……….as compared to the body suspended at the point of percussion.

(a) same

(b) two times

(c) four times

(d) none of these

Ans: (a) same

###### Q25. In a mechanism, the fixed instantaneous centres are those centres which

(a) remain in the same place for all configurations of the mechanism

(b) vary with the configuration of the mechanism

(c) moves as the mechanism moves, but joints are nature

(d) none of the above

Ans: (a) remain in the same place for all configurations of the mechanism

###### Q26. The direction of linear velocity of any point on a link with respect to another point on the same link is

(a) parallel to the link joining the points

(b) perpendicular to the link joining the points

(c) at 450 to the link joining the points

(d) none of the above

Ans: (b) perpendicular to the link joining the points

###### Q27. When a point moves along a straight line, its acceleration will have

(b) tangential component only

(c) coriolis component only

(d) radial and tangential components both

Ans: (b) tangential component only

###### Q28. When a point at the end of a link moves with constant angular velocity, its acceleration will

(b) tangential component only

(c) coriolis component only

(d) radial and tangential components both

(a) ω𝓋

(b) 2 ω𝓋

(c) ω2𝓋

(d) 2 ω𝓋2

Ans: (b) 2 ω𝓋

###### Q30. The sense of coriolis component 2 ω𝒱 is same as that of the relative velocity vector v rotated at

(a) 45° in the direction of rotation of the link containing the path

(b) 45° in the direction opposite to the rotation of the link containing the path

(c) 90° in the direction of rotation of the link containing the path

(d) 180° in the direction opposite to the rotation of the link containing the path  [ps2id id=’003′ target=”/]

Ans: (c) 90° in the direction of rotation of the link containing the path

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##### Read More Sections of Theory of Machine Objective Questions

Each section contains maximum 80 Questions. To practice more questions visit other sections.

Theory of Machine MCQ – Section-1

Theory of Machine MCQ – Section-2

Theory of Machine MCQ – Section-3

Theory of Machine MCQ – Section-4

Theory of Machine MCQ – Section-5

Theory of Machine MCQ – Section-6

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