For the PLC analog I/O control system shown, the fluid flow is controlled by ___

Multiple Choice Questions Automation MCQ
1

For the PLC analog I/O control system shown, the fluid flow is controlled by

6-PLC Analog Control System

A. varying the amount of the valve opening.
B. switching the valve ON and OFF.
C. switching the level sensor ON and OFF.
D. varying the position of the level sensor.

Show Answer

Answer: A

Share your understanding of this question with the correct explanation.

2

I think the corrected answer is the latter B. The system isn’t verify the valve position.

3

I think the answer is A, because in a system like this, the valve can’t be fully opened or closed