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Control Systems

The second derivative input signals modify which of the following ?

August 11, 2021December 23, 2018 by admin
The second derivative input signals modify which of the following ?

A. The time constant of the system
B. Damg of the system
C. The gain of the system
D. The time constant and suppress the oscillations
F. None of the above

Categories Control Systems

increases the steady state accuracy?

August 11, 2021December 23, 2018 by admin
increases the steady state accuracy?

A. Integrator
B. Differentiator
C. Phase lead compensator
D. Phase lag compensator

Categories Control Systems

Regenerative feedback implies feedback with_______________?

August 11, 2021December 23, 2018 by admin
Regenerative feedback implies feedback with_______________?

A. oscillations
B. step input
C. negative sign
D. positive sign

Categories Control Systems

On which of the following factors does the sensitivity of a closed loop system to gain changes and load disturbances depend ?

August 11, 2021December 23, 2018 by admin
On which of the following factors does the sensitivity of a closed loop system to gain changes and load disturbances depend ?

A. Frequency
B. Loop gain
C. Forward gain
D. All of the above

Categories Control Systems

A control system with excessive noise, is likely to suffer from_______________?

August 11, 2021December 23, 2018 by admin
A control system with excessive noise, is likely to suffer from_______________?

A. saturation in amplifying stages
B. loss of gain
C. vibrations
D. oscillations

Categories Control Systems

A.C. servomotor resembles_____________?

August 11, 2021December 23, 2018 by admin
A.C. servomotor resembles_____________?

A. two phase induction motor
B. Three phase induction motor
C. direct current series motor
D. universal motor

Categories Control Systems

The output of a feedback control system must be a function of_________________?

August 11, 2021December 23, 2018 by admin
The output of a feedback control system must be a function of_________________?

A. reference and output
B. reference and input
F. input and feedback signal
D. output and feedback signal

Categories Control Systems

Transfer function of a system is used to calculate which of the following ?

August 11, 2021December 23, 2018 by admin
Transfer function of a system is used to calculate which of the following ?

A. The order of the system
B. The time constant
C. The output for any given input
D. The steady state gain

Categories Control Systems

Zero initial condition for a system means_______________?

August 11, 2021December 23, 2018 by admin
Zero initial condition for a system means_______________?

A. input reference signal is zero
B. zero stored energy
C. ne initial movement of moving parts
D. system is at rest and no energy is stored in any of its components

Categories Control Systems

As a result of introduction of negative feedback which of the following will not decrease ?

August 11, 2021December 23, 2018 by admin
As a result of introduction of negative feedback which of the following will not decrease ?

A. Band width
B. Overall gain
C. Distortion
D. Instability

Categories Control Systems
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