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Theory of Machine

Theory of Machine
Davis steering gear consists of

Sliding pairs
Turning pairs
Higher pairs
Rolling pairs

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Theory of Machine
The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as

Spur gearing
Bevel gearing
Spiral gearing
Helical gearing

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

Tchebicheff mechanism
Watt mechanism
Peaucellier's mechanism
Grasshopper mechanism

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Theory of Machine
The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB)

(ω × AB)²
ω² × AB
ω × AB
ω × (AB)²

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Theory of Machine
The danger of breakage and vibration is maximum

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

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Theory of Machine
When the axes of the first and last wheels are coaxial, then the train is known as

Simple train of wheels
Epicyclic gear train
Reverted gear train
Compound train of wheels

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