If the transient response is under damped:

A typical example of a physical system with under damped characteristic is a

A

U-tube manometer

B

Spring loaded diaphragm valve

C

CSTR with first order reaction

D

Thermocouple kept immersed in a liquid filled thermowell

In under damped vibrating system, the amplitude of vibration

A

Decreases linearly with time

B

Increases linearly with time

C

Decreases exponentially with time

D

Increases exponentially with time

In a second order under damped system, the

A

Time required for the response of first reach its ultimate value is called the response time

B

Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e

C

Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot

D

None of these

The transient response, with feedback system,

A

Rises slowly

B

Rises quickly

C

Decays slowly

D

Decays quickly

Technique gives quick transient and stability response

A

Root locus

B

Bode

C

Nyquist

D

Nichols

If the transient response of a system is overdamped:

A

the value of the output exceeds the value of the input at times during the transient period.

B

the value of the output never exceeds the value of the input during the transient period.

C

the value of the output never stabilizes.

D

All of the above

E

None of the above

The transient response of a system is mainly due to

A

inertia forces

B

internal forces

C

stored energy

D

friction

Which of the following is the best method for determining the stability and transient response ?

A

Root locus

B

Bode plot

C

Nyquist plot

D

None of the above

If the gain of the critical damped system is increased it will behave as

A

Oscillatory

B

Critically damped

C

Overdamped

D

Underdamped

The oscillations in a synchronous motor can be damped out by

A

maintaining constant excitation

B

running the motor on leading power factors

C

providing damper bars in the rotor pole faces

D

oscillations cannot be damped

If the transient response is under damped:

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