The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to

Theory of Machine
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to

180° and 270°

45° and 225°

270° and 360°

90° and 180°

180° and 270°

45° and 225°

270° and 360°

90° and 180°

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Theory of Machine
The Coriolis component of acceleration is taken into account for

Slider crank mechanism

All of these

Quick return motion mechanism

Four bar chain mechanism

Slider crank mechanism

All of these

Quick return motion mechanism

Four bar chain mechanism

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Theory of Machine
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Equal to

Less than

Greater than

None of these

Equal to

Less than

Greater than

None of these

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Theory of Machine
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

(m + M)/m

m/(m + M)

M/(m + M)

(m + M)/M

(m + M)/m

m/(m + M)

M/(m + M)

(m + M)/M

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Theory of Machine
Which of the following property of the instantaneous center is correct?

A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.

All of these

The two rigid links have no linear velocity relative to each other at the instantaneous centre.

The velocity of the instantaneous centre relative to any third rigid link is same whether the instantaneous centre is regarded as a point on the first rigid link or on the second rigid link.

A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.

All of these

The two rigid links have no linear velocity relative to each other at the instantaneous centre.

The velocity of the instantaneous centre relative to any third rigid link is same whether the instantaneous centre is regarded as a point on the first rigid link or on the second rigid link.

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Theory of Machine
In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction)

P = W tan(φ - α)

P = W cos(α + φ)

P = W tan(α + φ)

P = W tan(α - φ)

P = W tan(φ - α)

P = W cos(α + φ)

P = W tan(α + φ)

P = W tan(α - φ)

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Theory of Machine

Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to

Theory of Machine The Coriolis component of acceleration is taken into account for

Theory of Machine The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

Theory of Machine Which of the following property of the instantaneous center is correct?

Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction)

Theory of Machine
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to

Theory of Machine
The Coriolis component of acceleration is taken into account for

Theory of Machine
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Theory of Machine
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

Theory of Machine
Which of the following property of the instantaneous center is correct?

Theory of Machine
In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction)