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| Referring to the illustrated pneumatically-operated diaphragm-actuated control valve, what statement is true? GS-0051 |
| A) The control valve is direct-acting and normally open (NO). |
| B) The control valve is indirect-acting and normally open (NO). |
| C) The control valve is direct-acting and normally closed (NC). |
| D) The control valve is indirect-acting and normally closed (NC). |
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Illustration GS-0051
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