Mechanical Engineering MCQs

Page No. 125

Which of the following has sliding motion________________?


acrank


bconnecting rod


ccrank pin


dcross-head


View Answer cross-head

Automobile steering gear is an example of____________________?


ahigher pair


bsliding pair


csliding pair


dlower pair


View Answer lower pair

Kinematic pairs are those which have two elements that ______________?


ahave line contact


bhave surface contact


cpermit relative motion


dare held together



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


ccompletely constrained motion


dsuccessfully constrained motion



Cross head and guides form a _________________?


alower pair


bhigher pair


cturning pair


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


c0, 0


dcor, 0


View Answer 0, and more than co2r

The purpose of a link is to________________?


atransmit motion


bguide other links


cact as a support


dall of the above


View Answer all of the above

Rectilinear motion of piston is converted into rotary by_______________?


across head


bslider crank


cconnecting rod


dgudgeon pin


View Answer slider crank

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


astraight line


bcircle


cellipse


dparabola


View Answer ellipse

Pulley in a belt drive acts as_______________?


acylindrical pair


bturning pair


crolling pair


dsliding pair


View Answer rolling pair

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