In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

Theory of Machine
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

Reduce length of effective stroke of piston

Reduce maximum opening of port to steam

Cause withdrawing or throttling of steam

All of these

Reduce length of effective stroke of piston

Reduce maximum opening of port to steam

Cause withdrawing or throttling of steam

All of these

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

600°K

625°K

650°K

700°K

600°K

625°K

650°K

700°K

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Theory of Machine
The following is the inversion of slider crank chain mechanism

Hand pump

Oscillating cylinder engine

All of these

Whitworth quick return mechanism

Hand pump

Oscillating cylinder engine

All of these

Whitworth quick return mechanism

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Theory of Machine
The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove)

cosecβ

cosβ

sinβ

secβ

cosecβ

cosβ

sinβ

secβ

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Theory of Machine
The mechanism in which two are turning pairs and two are sliding pairs, is called a

Scotch yoke mechanism

All of these

Elliptical trammel

Double slider crank chain

Scotch yoke mechanism

All of these

Elliptical trammel

Double slider crank chain

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Theory of Machine
Lower pairs are those which have

Two elements that permit relative motion

Elements of pairs not held together mechanically

Point or line contact between the two elements when in motion

Surface contact between the two elements when in motion

Two elements that permit relative motion

Elements of pairs not held together mechanically

Point or line contact between the two elements when in motion

Surface contact between the two elements when in motion

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Theory of Machine

Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

Theory of Machine The following is the inversion of slider crank chain mechanism

Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove)

Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a

Theory of Machine Lower pairs are those which have

Theory of Machine
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

Theory of Machine
The following is the inversion of slider crank chain mechanism

Theory of Machine
The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove)

Theory of Machine
The mechanism in which two are turning pairs and two are sliding pairs, is called a

Theory of Machine
Lower pairs are those which have