Mechanical Engineering MCQs

Page No. 124

The tendency of a body to resist change from rest or motion is known as_______________?


amass

✖


bfriction

✖


cinertia

✓


dresisting force

✖


View Answer inertia

the chain is unconstrained when_____________?


aL.H.S. = R.H.S

✖


bL.H.S. > R.H.S

✖


cL.H.S. < R.H.S

✓


dthere is no such criterion for checking above requirement

✖


View Answer L.H.S. < R.H.S

A slider crank chain consists of following numbers of turning and sliding pairs_________________?


aI, 3

✖


b2, 2

✖


c3, 1

✓


d4, 0

✖


View Answer 3, 1

Rectangular bar in a rectangular hole is the following type of pair__________________?


acompletely constrained motion

✓


bpartially constrained motion

✖


cincompletely constrained motion

✖


dfreely constrained motion

✖



Elements of pairs held together mechanically is known as ___________________?


aclosed pair

✓


bopen pair

✖


cmechanical pair

✖


drolling pair

✖


View Answer closed pair

A mechanism is an assemblage of ____________________?


atwo links

✖


bthree links

✖


cfour links or more than four links

✓


dall of the above

✖



Oldham’s coupling is the ____________________?


asecond inversion of double slider crank chain

✖


bthird inversion of double slider crank chain

✓


csecond inversion of single slider crank chain

✖


dthird inversion of slider crank chain

✖



Ackermann steering gear consists of_______________?


asliding pairs

✖


bturning pairs

✓


crolling pairs

✖


dhigher pairs

✖


View Answer turning pairs

The Scott-Russell mechanism consists of_________________?


asliding and turning pairs

✓


bsliding and rotary pairs

✖


cturning and rotary pairs

✖


dsliding pairs only

✖



Which of the following mechanism is obtained from lower pair________________?


agyroscope

✖


bpantograph

✖


cvalve and valve gears

✖


dall of the above

✓


View Answer all of the above

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