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Theory of Machine

Theory of Machine
A mechanism is an assemblage of

Two links
Three links
Four or more than four links
All of these

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Theory of Machine
The advantage of the piston valve over the slide valve is that in the former case

Both wear and power absorbed are low
Wear is less
Power absorbed is less
The pressure developed being high provides tight sealing

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Theory of Machine
The gear train usually employed in clocks is a

Sun and planet gear
Reverted gear train
Differential gear
Simple gear train

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Theory of Machine
The secondary unbalanced force is maximum __________ in one revolution of the crank.

Four times
Sixteen times
Two times
Eight times

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Theory of Machine
In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system)

Less than unity
Zero
Greater than unity
Equal to unity

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Theory of Machine
In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

12
32
16
25

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