In a flat collar pivot bearing, the moment due to friction is proportional to

Theory of Machine
In a flat collar pivot bearing, the moment due to friction is proportional to

(r₁² - r₂²)/(r₁ - r₂)

(r₁³ - r₂³)/(r₁ - r₂)

(r₁² - r₂²)/(r₁ + r₂)

(r₁³ - r₂³)/(r₁² - r₂²)

(r₁² - r₂²)/(r₁ - r₂)

(r₁³ - r₂³)/(r₁ - r₂)

(r₁² - r₂²)/(r₁ + r₂)

(r₁³ - r₂³)/(r₁² - r₂²)

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Theory of Machine
In a rigid link OA, velocity of 'A' w.r.t. 'O' will be

Parallel to OA

Along AO

At 45° to OA

Perpendicular to OA

Parallel to OA

Along AO

At 45° to OA

Perpendicular to OA

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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

(1/2).Iω²

I ω ωP

Iω²

(1/2). I ω ωP

(1/2).Iω²

I ω ωP

Iω²

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Theory of Machine
The magnitude of velocities of the points on a rigid link is

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

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Theory of Machine
In a hydrodynamic journal bearing, there is

No lubricant between the journal and the bearing

A forced lubricant between the journal and the bearing

A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

A thick film of lubricant between the journal and the bearing

No lubricant between the journal and the bearing

A forced lubricant between the journal and the bearing

A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

A thick film of lubricant between the journal and the bearing

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Theory of Machine
In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is

90°

270°

180°

0°

90°

270°

180°

0°

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Theory of Machine

Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to

Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be

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 The magnitude of velocities of the points on a rigid link is

Theory of Machine In a hydrodynamic journal bearing, there is

Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is

Theory of Machine
In a flat collar pivot bearing, the moment due to friction is proportional to

Theory of Machine
In a rigid link OA, velocity of 'A' w.r.t. 'O' will be

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
The magnitude of velocities of the points on a rigid link is

Theory of Machine
In a hydrodynamic journal bearing, there is

Theory of Machine
In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is