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 distance between fixed pivots of crank and followers is

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 distance between fixed pivots of crank and followers is

Slightly less than 95 mm

Slightly more than 95 mm

45 mm

95 mm

Slightly less than 95 mm

Slightly more than 95 mm

45 mm

95 mm

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Theory of Machine
In under damped vibrating system, the amplitude of vibration

Increases linearly with time

Increases exponentially with time

Decreases exponentially with time

Decreases linearly with time

Increases linearly with time

Increases exponentially with time

Decreases exponentially with time

Decreases linearly with time

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Theory of Machine
The brake commonly used in railway trains is

Shoe brake

Internal expanding brake

Band and block brake

Band brake

Shoe brake

Internal expanding brake

Band and block brake

Band brake

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Theory of Machine
The frequency of oscillation of a torsional pendulum is

r/2πk. √(g/l)

2πr/k. √(g/l)

r/2πk. √(l/g)

2πk/r. √(g/l)

r/2πk. √(g/l)

2πr/k. √(g/l)

r/2πk. √(l/g)

2πk/r. √(g/l)

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Theory of Machine
The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.

None of these

Zero

Minimum

Maximum

None of these

Zero

Minimum

Maximum

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Theory of Machine
Lower pairs are those which have

Surface contact between the two elements when in motion

Point or line contact between the two elements when in motion

Two elements that permit relative motion

Elements of pairs not held together mechanically

Surface contact between the two elements when in motion

Point or line contact between the two elements when in motion

Two elements that permit relative motion

Elements of pairs not held together mechanically

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Theory of Machine

Theory of Machine In under damped vibrating system, the amplitude of vibration

Theory of Machine The brake commonly used in railway trains is

Theory of Machine The frequency of oscillation of a torsional pendulum is

Theory of Machine The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.

Theory of Machine Lower pairs are those which have

Theory of Machine
In under damped vibrating system, the amplitude of vibration

Theory of Machine
The brake commonly used in railway trains is

Theory of Machine
The frequency of oscillation of a torsional pendulum is

Theory of Machine
The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.

Theory of Machine
Lower pairs are those which have