A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard?

Theory of Machine
A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard?

The centre of the disc has centrifugal acceleration

The centre of the disc has zero acceleration

All points of the disc have the same velocity

The point on the disc making contact with the plane surface has zero acceleration

The centre of the disc has centrifugal acceleration

The centre of the disc has zero acceleration

All points of the disc have the same velocity

The point on the disc making contact with the plane surface has zero acceleration

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Theory of Machine
In a hydrodynamic journal bearing, there is

A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

A forced lubricant between the journal and the bearing

A thick film of lubricant between the journal and the bearing

No lubricant between the journal and the bearing

A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

A forced lubricant between the journal and the bearing

A thick film of lubricant between the journal and the bearing

No lubricant between the journal and the bearing

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Theory of Machine
The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)

89.5/N²

8.95/N²

895/N²

8950/N²

89.5/N²

8.95/N²

895/N²

8950/N²

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Theory of Machine
The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)

1/2π

(1/2π). √(q/I)

2π. √(q/I)

2π qI

1/2π

(1/2π). √(q/I)

2π. √(q/I)

2π qI

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Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Mechanism

Inversion

Machine

Structure

Mechanism

Inversion

Machine

Structure

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Theory of Machine
The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

Torsional vibrations

Transverse vibrations

All of these

Longitudinal vibrations

Torsional vibrations

Transverse vibrations

All of these

Longitudinal vibrations

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Theory of Machine

Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard?

Theory of Machine In a hydrodynamic journal bearing, there is

Theory of Machine The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)

Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)

Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a

Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

Theory of Machine
A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard?

Theory of Machine
In a hydrodynamic journal bearing, there is

Theory of Machine
The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)

Theory of Machine
The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)

Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Theory of Machine
The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in