ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 7
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Attempt Free ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 7 Here. Read The Important Electrical MCQ From Below.
a) Measured variable to the set variable
b) Air output as the measured variable varies from maximum to minimum
c) Measured variables through which the air output varies from maximum to minimum
d) None of the above
Answer C
2. Proportional band of the controller is expressed as:
a) Gain
b) Ratio
c) Percentage
d) Range of control variables
Answer C
ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 7
3. The term reset control refers to:
a) Proportional
b) Integral
c) Derivative
d) None of the above
Answer B
4. The integral control:
a) Increases the steady state error
b) Decreases the steady state error
c) Increases the noise and stability
d) Decreases the damping coefficient
Answer B
5. In a proportional temperature controller, if the quantity under the heater increases the offset will:
a) Increase
b) Reduce
c) Remain unaffected
d) None of the above
Answer A
6. When derivative action is included in a proportional controller, the proportional band:
a) Increases
b) Reduces
c) Remains unchanged
d) None of the above
Answer C
ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 7
7. The number of operational amplifiers require for designing of electronic PID controller is:
a) 1
b) 2
c) 3
d) 6
Answer A
8. Which of the following system provides excellent transient and steady state response:
a) Proportional action
b) Proportional + Integral action
c) Proportional + Differential action
d) Proportional + Integral + Differential action
Answer D
9. In a PID controller, the offset has increased. The integral time constant has to be ___ so as to reduce offset:
a) Reduced
b) Increased
c) Reduced to zero
d) None of the above
Answer B
10. In a PID controller, the overshoots has increased. The derivative time constant has to be __ so as to reduce the overshoots:
a) Increased
b) Reduced
c) Reduced to zero
d) None of the above
Answer A
ONLINE MCQ EE AND ECE-CONTROL SYSTEMS 7