The control-circuits of most process or other utilization equipment depend on four factors or mediums that either control the equipment or the equipment controls them.
These factors or mediums include _____________, ___________, _______________, and ___________.
A) none of the answers
B) pressure, position, temperature, and time
C) position, pressure, temperature, and time
D) position, pressure, time, and temperature
Show Answer
Answer:C
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