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Theory of Machine

Theory of Machine
Rectilinear motion of piston is converted into rotary by

Cross head
Gudgeon pin
Connecting rod
Slider crank

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Theory of Machine
When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be

Isochronous
Stable
Hunt
Unstable

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Theory of Machine
The Coriolis component of acceleration is taken into account for

All of these
Quick return motion mechanism
Slider crank mechanism
Four bar chain mechanism

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Theory of Machine
The two elements of a pair are said to form a higher pair, when they

Have a line or point contact when in motion
Are kept in contact by the action of external forces, when in motion
Permit relative motion
Have a surface contact when in motion

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Theory of Machine
A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is

Soundness would depend upon which link is kept fixed
Kinematically sound
Data is not sufficient to determine same
Not sound

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Theory of Machine
The pressure angle of a cam depends upon

Angle of ascent
All of these
Lift of follower
Offset between center lines of cam and follower

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