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THEORY OF MACHINE

Theory of Machine
The danger of breakage and vibration is maximum

Near the critical speed
Above the critical speed
None of these
Below the critical speed

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Theory of Machine
The cam follower generally used in aircraft engines is

Knife edge follower
Flat faced follower
Roller follower
Spherical faced follower

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Theory of Machine
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the

Tip of the gear tooth and flank of pinion
Tip of both gear and pinion
Flanks of both gear and pinion
Tip of the pinion and flank of gear

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Theory of Machine
A kinematic chain requires at least

3 links and 4 turning pairs
5 links and 4 turning pairs
2 links and 3 turning pairs
4 links and 4 turning pairs

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Theory of Machine
In a four stroke I.C. engine, the turning moment during the compression stroke is

Positive throughout
Negative throughout
Negative during major portion of the stroke
Positive during major portion of the stroke

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