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Theory of Machine

Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Minimum
Zero
Maximum
Infinity

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Theory of Machine
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

Less than sum of other two
Equal to sum of other two
Greater than sum of other two
There is no such relationship

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Theory of Machine
Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

D-slide valve
Governor
Flywheel
Meyer's expansion valve

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Theory of Machine
The lower pair is a

Closed pair
Open pair
Sliding pair
Point contact pair

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Theory of Machine
Which of the following mechanisms produces mathematically an exact straight line motion?

Peaucellier's mechanism
Watt mechanism
Grasshopper mechanism
Tchebicheff mechanism

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Theory of Machine
The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is

2
4
3
1

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