What is the number of instantaneous centers for an eight link mechanism?

Theory of Machine
What is the number of instantaneous centers for an eight link mechanism?

30

15

28

8

30

15

28

8

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Theory of Machine
In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be

n₁ + n₂

n₁ + n₂ - 1

n₁ + n₂ + 1

n₁ + n₂ - 2

n₁ + n₂

n₁ + n₂ - 1

n₁ + n₂ + 1

n₁ + n₂ - 2

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Theory of Machine
The magnitude of velocities of the points on a rigid link is

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

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Theory of Machine
When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a

Self-closed pair

Force-closed pair

Higher pair

Lower pair

Self-closed pair

Force-closed pair

Higher pair

Lower pair

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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

Maximum

Minimum

None of these

Zero

Maximum

Minimum

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Theory of Machine
A completely constrained motion can be transmitted with.

4 links with pin joints

2 links with pin joints

1 link with pin joints

3 links with pin joints

4 links with pin joints

2 links with pin joints

1 link with pin joints

3 links with pin joints

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Theory of Machine

Theory of Machine What is the number of instantaneous centers for an eight link mechanism?

Theory of Machine In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be

Theory of Machine The magnitude of velocities of the points on a rigid link is

Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a

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 A completely constrained motion can be transmitted with.

Theory of Machine
What is the number of instantaneous centers for an eight link mechanism?

Theory of Machine
In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be

Theory of Machine
The magnitude of velocities of the points on a rigid link is

Theory of Machine
When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a

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
A completely constrained motion can be transmitted with.