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Theory of Machine

Theory of Machine
For fluctuating loads, well suited bearing is

Needle roller bearing
Ball bearing
Thrust bearing
Roller bearing

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Theory of Machine
When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions.

None of these
Same
Opposite
Perpendicular

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Theory of Machine
The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)

8950/N²
8.95/N²
89.5/N²
895/N²

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Theory of Machine
Klein's construction can be used to determine acceleration of various parts when the crank is at

All of the listed here
Right angles to the link of the stroke
Outer dead centre
Inner dead centre

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Theory of Machine
Transmission angle is the angle between

Input link and coupler
Input link and fixed link
Output link and fixed link
Output link and coupler

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Theory of Machine
In a screw jack, the effort required to lower the load W is given by

P = W cos(α + φ)
P = W tan(α - φ)
P = W tan(φ - α)
P = W tan(α + φ)

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