正确答案: B
至少4kn
题目:有毒液体物质残余物排放时,对于非自航船船速要求是?()
解析:B
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[单选题]The desirable properties of a marine fuel oil should include .
high heating value and low sulphur content
[单选题]Which of the following conditions is true concerning a flammable liquid with a concentration above the upper explosive limit?
The mixture is too rich to burn
[单选题]Besides Yokohama, M. V. Gaohe will also ________ at some other Japanese ports
call
[单选题]某轮陀螺罗经航向为030°,已知罗经差为2°W,求该轮所驶真航向:()
028°
[单选题]保持船级的水管锅炉的内部检验每______年内不少于______次,最大间隔期不超过______年。
5/2/3
[单选题]船舶的报警系统一般由_______负责,由_______负责维修。
三副∕电机员
[单选题]_______应与活塞中心线垂直相交,垂直度要求不大于0.025mm/100mm,位置度要求:活塞直径200mm时应不大于0.10mm;活塞直径>200mm时应不大于0.20mm
活塞销孔中心线