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
In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

Hammer blow

Swaying couple

None of these

Tractive force

Hammer blow

Swaying couple

None of these

Tractive force

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Theory of Machine
With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

30°

10°

40°

20°

30°

10°

40°

20°

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Theory of Machine
According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a

Rectangle

Triangle

Parabolic curve

Straight line

Rectangle

Triangle

Parabolic curve

Straight line

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Theory of Machine
The direction of linear velocity of any point on a link with respect to another point on the same link is

At 45° to the link joining the points

Parallel to the link joining the points

None of the listed here

Perpendicular to the link joining the points

At 45° to the link joining the points

Parallel to the link joining the points

None of the listed here

Perpendicular to the link joining the points

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Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

None of the listed here

Fluctuation of energy

Maximum fluctuation of energy

Coefficient of fluctuation of energy

None of the listed here

Fluctuation of energy

Maximum fluctuation of energy

Coefficient of fluctuation of energy

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Theory of Machine

Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

Theory of Machine With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

Theory of Machine According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a

Theory of Machine The direction of linear velocity of any point on a link with respect to another point on the same link is

Theory of Machine In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

Theory of Machine
In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

Theory of Machine
With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

Theory of Machine
According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a

Theory of Machine
The direction of linear velocity of any point on a link with respect to another point on the same link is

Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called