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Theory of Machine

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

Connecting rod
Cross head
Slider crank
Gudgeon pin

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Theory of Machine
The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called

Dedendum
Clearance
Addendum
Working depth

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Theory of Machine
Which of the following is an inversion of a double slider crank chain?

Elliptical trammel
Scotch yoke mechanism
All of these
Oldham's coupling

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Theory of Machine
If there are L number of links in a mechanism, then number of possible inversions is equal to

L - 1
L + 2
L + 1
L

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Theory of Machine
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

Under damped vibration
Forced vibration
Free vibration
Damped vibration

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Theory of Machine
When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be

ω²r. (n + 1)/n
ω²r. n/(n - 1)
ω²r. n/(n + 1)
ω²r. (n - 1)/n

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