A、double bottom fuel oil tank temperature
B、heater supply steam flow
C、pressure of the fuel supplied to the burners
D、attemperator steam flow in the heater discharge circuit
更多“Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）”相关的问题
A、Ball float B、Thermostatic C、Bimetallic D、Impulse
A、A.double bottom fuel oil tank temperature B、B.heater supply steam flow C、C.pressure of the fuel supplied to the burners D、D.attemperator steam flow in the heater discharge circuit
A、A.Faulty thermostatic bypass valve B、B.Eroded zinc pencils in the heat exchanger C、C.Steam formation in the expansion tank D、D.Excessive leakage from jacket water pump seal
A、open the steam line mot valve B、drain the steam cylinder C、close the steam cylinder drains D、open the liquid cylinder drains
A、A.rise when the steam pressure is increased B、B.remain constant as long as the feed pump operates C、C.fall when the steam pressure is decreased D、D.vary as the steam demand changes
A、Receives saturated steam from the generating tubes B、Serves as a reservoir of boiler feed water C、Holds internal fittings for separation of moisture from steam D、Collects steam exhausted from the turbines
A、the former B、the first C、the latter D、the last
A、provide steam for emergency propulsion B、provide steam for the turbo-generator C、heat the waste water tanks D、steam for warming engines
A、main steam stop valve B、auxiliary steam stop valve C、feed check or control valve D、blow down valve
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