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Theory of Machine

Theory of Machine
The number of links and instantaneous centers in a reciprocating engine mechanism are

4, 5
4, 4
4, 6
5, 4

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Theory of Machine
When a point at the end of a link moves with constant angular velocity, its acceleration will have

Tangential component only
Coriolis component only
Radial component only
Radial and tangential components both

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Theory of Machine
For simple harmonic motion of the of follower, a cosine curve represents

Displacement diagram
Acceleration diagram
All of these
Velocity diagram

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Theory of Machine
The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called

Coriolis component
Tangential component
None of these
Radial component

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Theory of Machine
The Scott-Russell mechanism consists of

Sliding pairs only
Turning and rotary pairs
Sliding and turning pairs
Sliding and rotary pairs

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Theory of Machine
A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

m₁ r₁ = m₂ r₂
m₁ r₂ = m₂ r₁
m₁ m₂ = r₁ r₂
None of these

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