Mechanical Engineering MCQs

Page No. 127

Sense of tangential acceleration of a link_________________?


ais same as that of velocity


bis opposite to that of velocity


ccould be either same or opposite to velocity


dis perpendicular to that of velocity



A completely constrained motion can be transmitted with __________________?


a1 link with pin joints


b2 links with pin joints


c3 links with pin joints


d4 links with pin joints



Davis steering gear consists of__________________?


asliding pairs


bturning pairs


crolling pairs


dhigher pairs


View Answer sliding pairs

Which of the following would constitute a link__________________?


apiston, piston rings and gudgeon pin


bpiston, and piston rod


cpiston rod and cross head


dpiston, piston-rod and cross head



The example of higher pair is_________________?


abelt, rope and chain drives


bgears, cams


cball and roller bearings


dall of the above


View Answer all of the above

In higher pair, the relative motion is_____________________?


apurely turning


bpurely sliding


cpurely rotary


dcombination of sliding and turning



The lower pair is a_____________________?


aopen pair


bclosed pair


csliding pair


dpoint contact pair


View Answer closed pair

If there are L number of links in a mechanism then number of possible inversions is equal to_______________?


aL + 1


bL – 1


cL


dL + 2


View Answer L

A circular bar moving in a round hole is an example of_______________?


aincompletely constrained motion


bincompletely constrained motion


ccompletely constrained motion


dsuccessfully constrained motion



The example of spherical pair is_____________________?


abolt and nut


blead screw of a lathe


cball and socket joint


dball bearing and roller bearing


View Answer ball and socket joint

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