
CRE Turbine Periodic Operational Test Summary.
Quiz by Jon Francis
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- Q1
Main Valves (Partially Close) and Extraction Steam - NRV test.
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main valves observing steam actuation, lubeoil pump, shaft voltage, master trip solenoid valve, overspeed trio circuit, oversleed protection relay and hydraulic fluid pump. Test?
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turbine control valves sticking test?
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Emergency governor by overspeeding and backup overspeen governor by over-speeding.
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Test of main valves daily purpose?
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Main stop valve testing, a decrease in load of ___ to __ % maybe expected.
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CRV testing result approximately ___ % reduction in load.
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Full close test CV and MSV load should be reduced less than ___ % of rated load - prevent pressure fluctuating excessively.
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Partial Test of MSV and CV permitted at load over ___% rated load.
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NRV - only effect is to induce a pressure drop of __ % in extraction steam line.
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Purpose of NRV test?
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NRV important part of the overspeed protectiob provided by the?
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Purpose of main valve testing.
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Automatic Pump Starting (Weekly) purpose?
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upon pump testing , verify that each of the tested oil pumps are stopped and their auto/manual modes are in ___ position.
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