Mechanical Engineering MCQs

Page No. 119

The frequency of oscillation at compared to earth will be___________________?


a6 times more

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b6 times less

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c2.44 times more

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d2.44 times,less

✓


View Answer 2.44 times,less

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


adisplacement diagram

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bvelocity diagram

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cacceleration diagram

✓


dall of the above

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View Answer acceleration diagram

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


a45 mm

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bslightly less than 45 mm

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cslightly more than 45 mm

✓


d95 mm

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


akinematically sound

✓


bnot sound

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csoundness would depend upon which link is kept fixed

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ddata is not sufficient to determine same

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View Answer kinematically sound

The following is the inversion of slider crank chain mechanism______________________?


aWhitworth quick return mechanism

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bhand pump

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coscillating cylinder engine

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dall of the above

✓


View Answer all of the above

A kinematic chain requires at least________________________?


a2 links and 3 turning pairs

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b3 links and 4 turning pairs

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c4 links and 4 turning pairs

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d5 links and 4 turning pairs

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


aGrasshopper mechanism

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bWatt mechanism

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cPeaucellier’s mechanism

✓


dTchabichiff mechanism

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Whitworth quick return mechanism is obtained by inversion of___________________?


aslider crank mechanism

✓


bkinematic chain

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cfive link mechanism

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droller cam mechanism

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A cam mechanism imparts following motion___________________?


arotating

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boscillating

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creciprocating

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dall of the above

✓


View Answer all of the above

For a kinematic chain to be considered as mechanism___________________?


atwo links should be fixed

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bone link should be fixed

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cnone of the links should be fixed

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dthere is no such criterion

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