In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

45 mm

Slightly more than 45 mm

95 mm

Slightly less than 45 mm

45 mm

Slightly more than 45 mm

95 mm

Slightly less than 45 mm

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Theory of Machine
The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is

2

1

4

3

2

1

4

3

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

Hooke's joint

Bevel gears

Worm and worm wheel

Spur gears

Hooke's joint

Bevel gears

Worm and worm wheel

Spur gears

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Theory of Machine
Power of a governor is the

Mean force exerted at the sleeve for maximum equilibrium speed

Mean force exerted at the sleeve for a given percentage change of speed

Work-done at the sleeve for maximum equilibrium speed

None of these

Mean force exerted at the sleeve for maximum equilibrium speed

Mean force exerted at the sleeve for a given percentage change of speed

Work-done at the sleeve for maximum equilibrium speed

None of these

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Theory of Machine
The C.G. of a link in any mechanism would experience

Linear acceleration

No acceleration

Angular acceleration

Both angular and linear accelerations

Linear acceleration

No acceleration

Angular acceleration

Both angular and linear accelerations

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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

Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is

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

Theory of Machine Power of a governor is the

Theory of Machine The C.G. of a link in any mechanism would experience

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
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine
The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is

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

Theory of Machine
Power of a governor is the

Theory of Machine
The C.G. of a link in any mechanism would experience

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)