The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)

Theory of Machine
The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)

(ω₁ - ω₂)r

(ω₁ + ω₂)r

ω₁.ω₂.r

(ω₁ - ω₂)2r

(ω₁ - ω₂)r

(ω₁ + ω₂)r

ω₁.ω₂.r

(ω₁ - ω₂)2r

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Theory of Machine
The power of a Porter governor is equal to

[3c²/(1 + 2c)] (m + M) g.h

[c²/(1 + 2c)] (m + M) g.h

[4c²/(1 + 2c)] (m + M) g.h

[2c²/(1 + 2c)] (m + M) g.h

[3c²/(1 + 2c)] (m + M) g.h

[c²/(1 + 2c)] (m + M) g.h

[4c²/(1 + 2c)] (m + M) g.h

[2c²/(1 + 2c)] (m + M) g.h

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Theory of Machine
In automobiles the power is transmitted from gear box to differential through

Knuckle joint

Hooke's joint

Bevel gear

Universal joint

Knuckle joint

Hooke's joint

Bevel gear

Universal joint

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Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Mechanism

Structure

Inversion

Machine

Mechanism

Structure

Inversion

Machine

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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 m₂ = r₁ r₂

m₁ r₂ = m₂ r₁

None of these

m₁ r₁ = m₂ r₂

m₁ m₂ = r₁ r₂

m₁ r₂ = m₂ r₁

None of these

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Theory of Machine
The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively)

(2/3) μ W (r₁ + r₂)

(1/2) μ W (r₁ + r₂)

(1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3) μ W (r₁ + r₂)

(1/2) μ W (r₁ + r₂)

(1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

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Theory of Machine

Theory of Machine The power of a Porter governor is equal to

Theory of Machine In automobiles the power is transmitted from gear box to differential through

Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a

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)

Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively)

Theory of Machine
The power of a Porter governor is equal to

Theory of Machine
In automobiles the power is transmitted from gear box to differential through

Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

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)

Theory of Machine
The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively)