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Theory of Machine

Theory of Machine
Carnot cycle is

an irreversible cycle
a quasi static cycle
a semi-reversible cycle
a reversible cycle

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Theory of Machine
The radial distance of a tooth from the pitch circle to the bottom of the tooth is called

Addendum
Working depth
Clearance
Dedendum

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Theory of Machine
The number of centers in a crank driven slider crank mechanism is

4
6
2

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Theory of Machine
In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to

x₁/x₂
log(x₁.x₂)
log(x₁/x₂)
loge(x₁/x₂)

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Theory of Machine
The train value of a gear train is

Always greater than unity
Equal to velocity ratio of a gear train
Always less than unity
Reciprocal of velocity ratio of a gear train

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Theory of Machine
In a steam engine, the link constitutes a

All of these
Connecting rod with big and small end brasses, caps and bolts
Piston, piston rod and cross-head
Crank pin, crankshaft and flywheel

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