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)2r

ω₁.ω₂.r

(ω₁ - ω₂)r

(ω₁ + ω₂)r

(ω₁ - ω₂)2r

ω₁.ω₂.r

(ω₁ - ω₂)r

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Theory of Machine
A shaft carrying two rotors at its ends will have

One node

No node

Two nodes

Three nodes

One node

No node

Two nodes

Three nodes

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Theory of Machine
A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

Structure

Inversion

Mechanism

Kinematic chain

Structure

Inversion

Mechanism

Kinematic chain

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Theory of Machine
The power from the engine to the rear axle of an automobile is transmitted by means of

Spur gears

Bevel gears

Worm and worm wheel

Hooke's joint

Spur gears

Bevel gears

Worm and worm wheel

Hooke's joint

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Theory of Machine
The motion between a pair which takes place in ____ is known as incompletely constrained motion.

Two directions only

One direction only

More than one direction

None of the listed here

Two directions only

One direction only

More than one direction

None of the listed here

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Theory of Machine
In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to

loge(x₁/x₂)

x₁/x₂

log(x₁/x₂)

log(x₁.x₂)

loge(x₁/x₂)

x₁/x₂

log(x₁/x₂)

log(x₁.x₂)

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Theory of Machine

Theory of Machine A shaft carrying two rotors at its ends will have

Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

Theory of Machine The power from the engine to the rear axle of an automobile is transmitted by means of

Theory of Machine The motion between a pair which takes place in ____ is known as incompletely constrained motion.

Theory of Machine In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to

Theory of Machine
A shaft carrying two rotors at its ends will have

Theory of Machine
A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

Theory of Machine
The power from the engine to the rear axle of an automobile is transmitted by means of

Theory of Machine
The motion between a pair which takes place in ____ is known as incompletely constrained motion.

Theory of Machine
In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to