Mechanical Engineering MCQs

Page No. 125

Which of the following has sliding motion________________?


acrank

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bconnecting rod

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ccrank pin

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dcross-head

✓


View Answer cross-head

Automobile steering gear is an example of____________________?


ahigher pair

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bsliding pair

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csliding pair

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dlower pair

✓


View Answer lower pair

Kinematic pairs are those which have two elements that ______________?


ahave line contact

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bhave surface contact

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cpermit relative motion

✓


dare held together

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If some links are connected such that motion between them can take place in more than one direction, it is called_______________?


aincompletely constrained motion

✓


bpartially constrained motion

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ccompletely constrained motion

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dsuccessfully constrained motion

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Cross head and guides form a _________________?


alower pair

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bhigher pair

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cturning pair

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dsliding pair

✓


View Answer sliding pair

The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________________?


a0, and more than co2r

✓


b0, and less than coV

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c0, 0

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dcor, 0

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View Answer 0, and more than co2r

The purpose of a link is to________________?


atransmit motion

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bguide other links

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cact as a support

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dall of the above

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View Answer all of the above

Rectilinear motion of piston is converted into rotary by_______________?


across head

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bslider crank

✓


cconnecting rod

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dgudgeon pin

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View Answer slider crank

Any point on a link connecting double slider crank chain will trace a ________________?


astraight line

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bcircle

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cellipse

✓


dparabola

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View Answer ellipse

Pulley in a belt drive acts as_______________?


acylindrical pair

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bturning pair

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crolling pair

✓


dsliding pair

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View Answer rolling pair

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