As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: (1) secure oil to fires; (2) increase feed pump pressure.
相似题目
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If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause maybe （）.
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The water in an operating auxiliary boiler should be tested for alkalinity and chloride content each（）.
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After a normal, or safety shutdown, automatic combustion control systems for an auxiliary boiler are designed to prevent the immediate refiring of a burner in order for the （）.
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As for a oil-fired boiler too much air would indicated by （）.
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The water in an auxiliary boiler should be tested daily for （）.
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The water in an auxiliary boiler should be chemically tested daily for alkalinity and（）
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Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?（）
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The concentration of total dissolved solids in the water of an auxiliary boiler can increase as a result of （）.
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A （） boiler is an auxiliary boiler sometimes included in a steamships installation for supplying steam to auxiliaries in port.
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You should frequently compare drum-mounted and remote-reading water level indicators（） between these have contributed to failures because of overheating through shortage of water, when a boiler was being oil-fired.
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The water in an auxiliary boiler should be tested for chloride content to determine （）.
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After a normal, or safety shutdown, automatic combustion control systems for an auxiliary boiler are designed to prevent the immediate re-firing of a burner in order for the （）.
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As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressure
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an Application letter can be used as an official request for something, usually in writing, for example,applying for a job, or further studies.
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