M C Q s D r i v e

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

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Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

The purpose of a link is to________________?
A transmit motion
B guide other links
C act as a support
D all of the above
Correct Answer: all of the above
Rectilinear motion of piston is converted into rotary by_______________?
A cross head
B slider crank
C connecting rod
D gudgeon pin
Correct Answer: slider crank
Any point on a link connecting double slider crank chain will trace a ________________?
A straight line
B circle
C ellipse
D parabola
Correct Answer: ellipse
Pulley in a belt drive acts as_______________?
A cylindrical pair
B turning pair
C rolling pair
D sliding pair
Correct Answer: rolling pair
Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts___________________?
A theory of machines
B applied mechanics
C mechanisms
D kinetics
Correct Answer: theory of machines
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as__________________?
A turning pair
B rolling pair
C sliding pair
D spherical pair
Correct Answer: turning pair
Shaft revolving in a bearing is the following type of pair________________?
A lower pair
B higher pair
C spherical pair,
D cylindrical pair
Correct Answer: lower pair
The example of rolling pair is________________?
A bolt and nut
B lead screw of a lathe
C ball and socket joint
D ball bearing and roller bearing
Correct Answer: ball bearing and roller bearing
Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts_______________?
A theory of machines
B applied mechanics
C mechanisms
D kinetics
Correct Answer: kinetics
Relationship between the number of links (L) and number of pairs (P) is___________________?
A P = 2L-4
B P = 2L + 4
C P = 2L+2
D P = 2L-2
Correct Answer: P = 2L+2