A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

(1/2). I ω ωP

Iω²

I ω ωP

(1/2).Iω²

(1/2). I ω ωP

Iω²

I ω ωP

(1/2).Iω²

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Theory of Machine
When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

Minimum

Maximum

None of these

Zero

Minimum

Maximum

None of these

Zero

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Theory of Machine
In elliptical trammels

Two pairs turning and two pairs sliding

All four pairs are turning

One pair turning and three pairs sliding

Three pairs turning and one pair sliding

Two pairs turning and two pairs sliding

All four pairs are turning

One pair turning and three pairs sliding

Three pairs turning and one pair sliding

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Theory of Machine
Open pairs are those which have

Surface contact between the two elements when in motion

Elements of pairs not held together mechanically

Point or line contact between the two elements when in motion

Two elements that permit relative motion

Surface contact between the two elements when in motion

Elements of pairs not held together mechanically

Point or line contact between the two elements when in motion

Two elements that permit relative motion

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Theory of Machine
A kinematic chain is known as a mechanism when

None of these

None of the links is fixed

Two of the links are fixed

One of the links is fixed

None of these

None of the links is fixed

Two of the links are fixed

One of the links is fixed

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Theory of Machine
The critical speed of a shaft depends upon its

Mass and stiffness

Stiffness

Mass

Stiffness and eccentricity

Mass and stiffness

Stiffness

Mass

Stiffness and eccentricity

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Theory of Machine

Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

Theory of Machine In elliptical trammels

Theory of Machine Open pairs are those which have

Theory of Machine A kinematic chain is known as a mechanism when

Theory of Machine The critical speed of a shaft depends upon its

Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine
When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

Theory of Machine
In elliptical trammels

Theory of Machine
Open pairs are those which have

Theory of Machine
A kinematic chain is known as a mechanism when

Theory of Machine
The critical speed of a shaft depends upon its