【Daily Question】11.23 Multiple-choice question: During normal operation of a boiler, it is advisable to keep the opening degree of the feedwater control valve at ( ).
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During normal operation of the boiler, it is advisable to keep the opening degree of the feedwater control valve at ( ). A、70%~80% B、40%~70% C、50%~100% D、80%~90% Answer: B, 40%~70%
During normal operation of the boiler, it is appropriate to keep the opening degree of the feedwater control valve at (b). A、70%~80% B、40%~70% C、50%~100% D、80%~90%
B, 40%-70%. ----------------------
During normal operation of the boiler, it is advisable to keep the opening degree of the feedwater control valve at (B). After installing frequency converters in our plant, in order to reduce resistance and save energy, the control valve is kept fully open, with the frequency controlled by the frequency converters.
During normal operation of the boiler, it is appropriate to keep the opening degree of the feedwater control valve at (B, 40%~70%).
During normal operation of the boiler, it is advisable to keep the opening degree of the feedwater control valve at ( ). B, 40%~70%
During normal operation of the boiler, it is advisable to keep the opening degree of the feedwater control valve at ( b). B, 40%~70%