Mechanical Engineering MCQs

Page No. 119

The frequency of oscillation at compared to earth will be___________________?


a6 times more


b6 times less


c2.44 times more


d2.44 times,less


View Answer 2.44 times,less

For simple harmonic motion of the of follower, a cosine curve represents___________________?


adisplacement diagram


bvelocity diagram


cacceleration diagram


dall of the above


View Answer acceleration diagram

In above example, the minimum length of the coupler will be__________________?


a45 mm


bslightly less than 45 mm


cslightly more than 45 mm


d95 mm



A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is________________?


akinematically sound


bnot sound


csoundness would depend upon which link is kept fixed


ddata is not sufficient to determine same


View Answer kinematically sound

The following is the inversion of slider crank chain mechanism______________________?


aWhitworth quick return mechanism


bhand pump


coscillating cylinder engine


dall of the above


View Answer all of the above

A kinematic chain requires at least________________________?


a2 links and 3 turning pairs


b3 links and 4 turning pairs


c4 links and 4 turning pairs


d5 links and 4 turning pairs



Which of the following mechanisms produces mathematically an exact straight line motion____________________?


aGrasshopper mechanism


bWatt mechanism


cPeaucellier’s mechanism


dTchabichiff mechanism



Whitworth quick return mechanism is obtained by inversion of___________________?


aslider crank mechanism


bkinematic chain


cfive link mechanism


droller cam mechanism



A cam mechanism imparts following motion___________________?


arotating


boscillating


creciprocating


dall of the above


View Answer all of the above

For a kinematic chain to be considered as mechanism___________________?


atwo links should be fixed


bone link should be fixed


cnone of the links should be fixed


dthere is no such criterion



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