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Theory of Machine

Theory of Machine
Ackermann steering gear consists of

Sliding pairs
Turning pairs
Higher pairs
Rolling pairs

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Theory of Machine
If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to

D₁/D₂
D₁
D₂/D₁
D₁.D₂

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Theory of Machine
Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts?

Applied mechanics
Kinetics
Theory of machines
Mechanisms

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Theory of Machine
________ is an inversion of Double slider crank chain.

Scotch yoke mechanism
Coupling rod of a locomotive
Hand pump
Reciprocating engine

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Theory of Machine
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by

ω cosθ/(n² - cos²θ)1/2
ω cosθ/(n² - sin²θ)1/2
ω sinθ/(n² - cos²θ)1/2
ω sinθ/(n² - sin²θ)1/2

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Theory of Machine
Bifilar suspension method is used to find the

Frequency of vibration of the body
Moment of inertia of the body
Periodic time of the body
Angular acceleration of the body

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