Mechanical Engineering MCQs

Page No. 116

Corioli’s component of acceleration exists whenever a point moves along a path that has________________?


alinear displacement


brotational motion


ctangential acceleration


dcentripetal acceleration


View Answer rotational motion

In a shaper mechanism, the Corioli’s component of acceleration will_______________?


anot exist


bexist


cdepend on position of crank


dunpredictable


View Answer exist

Tangential acceleration direction is_________________?


aalong the angular velocity


bopposite to angular velocity


cmay be any one of these


dperpendicular to angular velocity



Klein’s construction gives a graphica construction for________________?


aslider-crank mechanism


bvelocity polygon


cacceleration polygon


dfour bar chain mechanism


View Answer acceleration polygon

The number of centers in a crank driven slider crank mechanism are_______________?


a0


b2


c4


d6


View Answer 2

The sense of Corioli’s component is such that it_________________?


aleads the sliding velocity vector by 90°


blags the sliding velocity vector by 90°


cis along the sliding velocity vector


dleads the sliding velocity vector by 180°



Klein’s construction is useful to determine__________________?


avelocity of various parts


bacceleration of various parts


cdisplacement of various parts


dangular acceleration of various parts



The maximum value of the pressure angle in case of cam is kept as________________?


a10°


b14°


c20°


d30°


View Answer 30°

Cam size depends upon__________________?


abase circle


bpitch circle


cprime circle


douter circle


View Answer base circle

A circle passing through the pitch point with its center at the center of cam axis is known as___________________?


apitch circle


bbase circle


cprime circle


douter circle


View Answer prime circle

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