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- Designated Duty Engineer (Motor-Gas Turbine Plants (Unlimited)) »
- Q624 - General Subjects
193. In the illustrated self-contained, internal-pilot, piston-operated temperature control valve, what statement is true concerning the pilot and main valves
Both the pilot and main valves close by moving upward onto their seats. The illustration shows the seats are positioned above the valves, requiring upward movement to close.
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