Modifying relay-type process control circuits usually involves changing the:
A)circuit wiring.
B)input circuit modules.
C)output circuit modules.
D)circuit operating voltage levels.

Question

Quizplus · Accepted Answer

Modifying relay-type process control circuits usually involves changing the circuit wiring, as this is the most direct way to modify the connections and functionality of the system. Changing the input or output circuit modules or operating voltage levels may also sometimes be necessary, but these changes are often dependent on the specific modifications being made to the wiring.

Modifying Relay-Type Process Control Circuits Usually Involves Changing The