When a solenoid piping valve is noted with a number-dash-letter, the number indicates the number of valve ___

When a solenoid piping valve is noted with a number-dash-letter, the number indicates the number of valve _______________.

The letter identifies the type of ____________ being controlled.

A) positions; positions
B) positions; fluid
C) fluid; fluid
D) fluid; positions

Show Answer

Answer:B

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