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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