## The main disadvantage of the sliding pair is that it…

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# Theory of Machines

## An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose…

An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has___________________? A. 2 links B. 3 linksC. 4 links D. 5…

## In its simplest form, a cam mechanism consists of following number of links___________________?

In its simplest form, a cam mechanism consists of following number of links___________________? A. 1 B. 2C. 3 D. 4 E. none

## In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then…

In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________? A. will remain same B. will change C. could change or remain unaltered depending oh…

## In a darg link quick return mechanism, the shortest link is always fixed. The sum of the shortest…

In a darg link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is _______________? A. equal to sum of other two B. greater than sum of other twoC. less than sum of other two D.…

## Kinematic pairs are those which have___________________?

Kinematic pairs are those which have___________________? A. two elements held together mechani-callyB. two elements having relative motion C. two elements having Coroili’s com-ponent D. minimum of two instantaneous centres E. all…

## In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous…

In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The…

## Inertia force acts___________________?

Inertia force acts___________________? A. perpendicular to the accel< force B. along the direction of accel* forceC. opposite to the direction of ace ing force D. in any direction w.r.t. accel* force depending on the magnit two…

## In S.H.M., acceleration is proportional to _________________?

In S.H.M., acceleration is proportional to _________________? A. velocityB. displacement C. rate of change of velocity D. all of the above E. none of the above

## In S.H.M., the velocity vector w.r.t. displacement vector _________________?

In S.H.M., the velocity vector w.r.t. displacement vector _________________? A. leads by 90° B. lags by 90° C. leads by 180° D. are in phase E. could be anywhere.

## Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the…

Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (f) ? A. Ipocf B. IpocfC. Ip oc j D. Ipoc- E. none of the above