Engine_2014 : General Subjects - 2137/3524
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| Double seated, pneumatically controlled, regulating valves exhibit good balancing characteristics essential for low- sensitivity applications because __________ . |
| A) high pressure enters between the seats and creates equal, but opposing forces |
| B) they employ a specially fabricated diaphragm |
| C) the feedback control signals balance the opposing forces acting on the diaphragm |
| D) the special diaphragm motor spring resists pressure changes |
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