When it can be confirmed that critical speed of shaft is occuring?

Q.

When it can be confirmed that critical speed of shaft is occuring?

A. Shaft vibrates violently in transverse direction

B. Shaft vibrates violently in linear direction

C. Shaft vibrates violently in longitudinal direction

D. Shaft vibrates violently in circular direction

Answer & Explanation

Answer : Option: A

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Q.

What is the effect of a rotating mass of a shaft on a system?

A. Bend the shaft

B. Twist the shaft

C. Extend the shaft

D. Compress the shaft

Answer & Explanation

Q.

Free torsional vibrations will occur in a three rotor system only if all rotors have

A. Same mass

B. Same diameter

C. Same frequency

D. Same inertia

Answer & Explanation

Q.

Causes of vibration is/are

A. unbalance force

B. dry friction

C. wind

D. all of these

Answer & Explanation

Q.

Damping factor is the ratio of damping coefficient to

A. critical damping coefficient

B. damping coefficient

C. none of these

D. all of these

Answer & Explanation

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When it can be confirmed that critical speed of shaft is occuring?

Q. When it can be confirmed that critical speed of shaft is occuring?

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More Questions Dynamics of Machinery:

Q. What is the effect of a rotating mass of a shaft on a system?

Q. Free torsional vibrations will occur in a three rotor system only if all rotors have

Q. Causes of vibration is/are

Q. Damping factor is the ratio of damping coefficient to

Q.

When it can be confirmed that critical speed of shaft is occuring?

Q.

What is the effect of a rotating mass of a shaft on a system?

Q.

Free torsional vibrations will occur in a three rotor system only if all rotors have

Q.

Causes of vibration is/are

Q.

Damping factor is the ratio of damping coefficient to