问题
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When there is a flame failure in an automatically fired auxiliary boiler, the _____.
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When ship navigating in rough sea, the correct operation is .A.navigating with a low diese
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If in doubt as to the true water level when a boiler is being oil-fired, you should _____.
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When lighting off an auxiliary boiler, which of the problems listed could cause the burner
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When a diesel engine is operate at partial load, as compared to full load ,a decrease will
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The soot blowers are operating in the oil fuel boiler the air/fuel ratio must _____ throug