Q. The acceleration of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by
✅ Correct Answer: (C)
ω
2
(
r
1
+
r
2
)(
2−
cos
2
θ
cos
3
θ
)
Theory Of Machine MCQs | Page - 3
Dear candidates you will find MCQ questions of Theory Of Machine here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by
✅ Correct Answer: (C)
ω(R−
r
1
)sinθ
Q. Klein's construction can be used when
✅ Correct Answer: (A)
Crank has a uniform angular velocity
Q. For the same lift and same angle of ascent, a smaller base circle will give
✅ Correct Answer: (B)
A large value of pressure angle
Q. Klein's construction gives a graphic construction for
✅ Correct Answer: (C)
Acceleration polygon
Q. For simple harmonic motion of the of follower, a cosine curve represents
✅ Correct Answer: (C)
Acceleration diagram
Q. The locus of a point on a thread unwound from a cylinder will be
✅ Correct Answer: (C)
Involute
Q. In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon
✅ Correct Answer: (A)
Total lift, total angle of lift, minimum radius of cam and cam speed
Q. The critical speed of a shaft depends upon its
✅ Correct Answer: (C)
Mass and stiffness
Q. The Klein's method of construction for reciprocating engine mechanism
✅ Correct Answer: (C)
Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine
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