Page 53 - basic control system

OBJECTIVE QUESTIONS FOR CHAPTER 3

1.4. The following are examples of electrical home appliances that apply the

closed loop control system. Select the one that did not apply that

system.

A. Automatic washing machine C. Air conditioning

B. Water heater D. Refrigerator

1.5. Closed loop control systems should have which of the following

properties:

A. desirable responses to commands

B. good regulation against disturbance

C. low sensitivity to changes in the plant parameters

D. all of the above.

1.6. Which of this answer DOES NOT represent the basic elements

associated with block diagram?

A. Blocks

B. Error detector

C. Summing point

D. Transfer function of elements shown inside the blocks.

7. A closed loop control system is basically different from open loop control

system. Choose the correct answer due to the differences.

A. feedback C. actuating signal

B. disturbance D. error signal

Answers:
4. A 5. D 6. B 7. A

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