轮机英语【大管甲类】题库 单选题 1分 The______is not a component of an oil separator. A. sliding bowl bottom B. gravity disc C. separating disc D. scum valve 点击查看答案 进入题库练习 参考答案: D 参考解析: 浮渣阀不是分油机的部件。 你可能感兴趣的试题 1 单选题 1分 Improper maintenance of an automatic auxiliary boiler oil burner could result in_____. A. fuel pump failure B. fan motor failure C. increased feedwater consumption D. decreased boiler efficiency 点击查看答案 2 单选题 1分 Insufficient air for combustion in a boiler furnace could result in a ______. A. white incandescent flame B. high flame temperature C. black stack smoke emission D. 0% carbon monoxide level 点击查看答案 3 单选题 1分 Black smoke coming from a boiler can be caused by______. A. low water level B. excessively high pressure C. high water level D. low oil temperature 点击查看答案 4 单选题 1分 Black smoke coming from a boiler can be caused by_ _______. A. low water level B. excessively high fuel pressure C. low oil pressure D. an improper air/fuel ratio 点击查看答案 5 单选题 1分 Excessive return oil pressure from a variable capacity return flow fuel oil burner system on an automatic auxiliary boiler, will cause _______. A. flame failure B. burner smoking C. ignition failure D. burner failure 点击查看答案