ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 5
Category –EE Online Test
Telegram-Join Us On Telegram
Attempt Free ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 5 Here. Read The Important Electrical MCQ From Below.
1. A Closed loop system is basically different from open loop control system due to:
a) Feedback
b) Servomechanism
c) Actuating signal
d) Error Signal
Answer a
2. Introduction of the feedback reduces the effects of:
a) Noise signal
b) Disturbances
c) Error signals
d) Error and noise signals
e) Noise signals and disturbances
Answer d
ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 5
3. A control system in which control action depends on the output is called the __ control system
a) Open loop
b) Closed loop
c) Stable
d) Unstable
Answer a
4. In a control system the use of negative feedback:
a) Eliminates the chances of instability
b) Increases the reliability
c) Reduces the effects of disturbance and noise signals in the forward path
d) Increases the influence of variations of component parameters on the system performance
Answer c
5. A controller essentially is a:
a) Comparator
b) Sensor
c) Amplifier
d) Clipper
Answer a
ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 5
6. In a control system, the controller output is given to:
a) Sensor
b) Comparator
c) Amplifier
d) Final Control element
Answer d
7. The deviation of the primary feedback signal from the reference input is called the:
a) Actuating signal
b) Error signal
c) Command
d) Manipulated variable
Answer a
8. The transient response of a system is mainly due to:
a) Friction
b) Inertia forces
c) Stored energy
d) Internal forces
Answer c
9. Regenerative feedback:
a) Implies feedback with positive sign
b) Is sometimes used to increase the loop gain of the feedback system
c) Has the transfer function with a negative sign in the denominator
d) All the above
Answer d
ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 5
10. In a hybrid feedback control systems carrier signals are:
a) ac only
b) dc only
c) both ac and dc
d) none of the above
Answer c
