# Mechanical Engineering MCQs [Quiz 43]

Q1. The purpose of a link is to
(a) transmit motion
(c) act as a support
(d) all of the above
(e) none of the above.

Q2. A universal joint is an example of
(a) higher pair
(b) lower pair
(c) rolling pair
(d) sliding pair
(e) turning pair.

Q3. Rectilinear motion of piston is converted into rotary by
(b) slider crank
(c) connecting rod
(d) gudgeon pin
(e) four bar chain mechanism.

Q4. 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.

Q5. The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be
(a) 0, and more than co2r
(b) 0, and less than coV
(c) 0, 0
(d) cor, 0
(e) none of the above.

Q6. The example of spherical pair is
(a) bolt and nut
(b) lead screw of a lathe
(c) ball and socket joint
(d) ball bearing and roller bearing
(e) none of the above.

Q7. Cross head and guides form a
(a) lower pair
(b) higher pair
(c) turning pair
(d) rolling pair
(e) sliding pair.

Q8. A circular bar moving in a round hole is an example of
(a) incompletely constrained motion
(b) partially constrained motion
(c) completely constrained motion
(d) successfully constrained motion
(e) none of the above

Q9. If some links are connected such that motion between them can take place in more than one direction, it is called
(a) incompletely constrained motion
(b) partially constrained motion
(c) completely constrained motion
(d) successfully constrained motion
(e) none of the above

Q10. If there are L number of links in a mechanism then number of possible inversions is equal to
(a) L + 1
(b) L – 1
(c) L
(d) L + 2
(e) L – 2.

Updated: 3rd September 2019 — 10:01 PM