MEC522/MEM686 CONTROL SYSTEM QUIZ 1
Authored by nurul noor
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Control of an industrial process by automatic rather than manual means is often called .................. [CO1/PO1]
a design gap
negative feedback
automation
a specification
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An open-loop control system utilizes an actuating device to control a process ___________ [CO1/PO1]
in engineering synthesis
using feedback
without using feedback
in engineering design
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Closed-loop control systems should have which of the following properties: [CO1/PO1]
Low sensitivity to changes in the plant parameters
Good regulation against disturbances
Desirable responses to commands
All of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The function of the proportional mode is to ____________? [CO1/PO1]
Provide gain
Eliminate offsets
To speed up the response and minimize the overshoot
All of the above
Answer explanation
The proportional mode is used for small set points and small load changes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The PID controller is very effective for _____________ processes. [CO1/PO1]
Slower
Faster
Poor
None of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following controllers improves steady state error and also stability of the system? [CO1/PO1]
P controller
PI controller
Both a and b
None of the above
Answer explanation
The PI controller reduces the steady state error
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the disadvantage of proportional integral controller? [CO1/PO1]
Reduces steady state error
Increases the order of system
System will be less stable
None of the above
Answer explanation
The advantages of proportional integral controller is it reduces steady state error and increases the order of the system
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