Theory of Machines MCQ Questions Answers Mechanical Engineering
The Theory of Machines (TOM) is a fundamental branch of mechanical engineering that deals with the study of mechanisms, their dynamics, and their applications in various mechanical systems. Understanding TOM is crucial for engineers and designers to create efficient and functional machines. To aid in mastering this subject, Multiple Choice Questions (MCQs) play a pivotal role in assessing one’s knowledge and conceptual understanding. In this article, we delve into a collection of TOM MCQs, providing detailed explanations for each question.
1) Which one of the following is a higher pair ?
a) Belt and pulley
b) Turning pair
c) Screw pair
d) Sliding pair
2)The unbalanced primary forces in a reciprocating engine are
(A) Balanced completely
(B) Balanced partially
(C) Balanced by secondary forces
(D) Not balanced
3) The lead screw of a lather with nut is a
a) rolling pair
b) screw pair
c) turning pair
d) sliding pair
4)The example of successfully constrained motion is a
(A) Motion of an I.C. engine valve
(B) Motion of the shaft between a footstep bearing
(C) Piston reciprocating inside an engine cylinder
(D) All of the above
5) Degree of freedom of super structure is
a) less than zero
b) zero
c) less than one
d) greater than one
6)The instantaneous centers which vary with the configuration of mechanism are called
(A) Permanent instantaneous centers
(B) Fixed instantaneous centers
(C) Neither fixed nor permanent instantaneous centers
(D) None of the above
7) Quick return mechanism is used in
a) Milling machine
b) Slotter
c) Universal lathe machine
d) Hook’s coupling
8)The example of lower pair is
(a) shaft revolving in a bearing
(b) straight line motion mechanisms
(c) automobile steering gear
(d) all of the above
(e) none of the above.
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9) The space centrode of a circular disc rolling on a straight path is
a) a circle
b) a parabola
c) a straight line
d) ellipse
10)Pitch point on a cam is
(a) any point on pitch curve
(b) the point on cam pitch curve having the maximum pressure angle
(c) any point on pitch circle
(d) the point on cam pitch curve having the minimum pressure angle
(e) none of the above.