【名词&注释】
轮机长(chief engineer)、港务监督(harbor superintendency)
[单选题]《STCW公约》规定，通过轮机长、大管轮适任考试和评估者，在＿年内，应持港务监督颁发的《船上见习记录簿》，完成不少于＿个月相应职务的船上见习。
A. 4／6
B. 3／6
C. 5／3
D. 5／4
查看答案&解析
举一反三：
[单选题]Which of the following factors tends to increase scale formation on the saltwater side of a heat exchanger used in a diesel engine cooling water system?
A. Baffle plates that have been bent during prior removal
B. Leaks m the cooler tube nest
C. Operating the engine while maintaining a high sea water outlet temperature
D. A punctured sea water strainer supplying cooling water to the heat exchanger
[单选题]锚机应能在过载拉力(不小于1.5倍额定拉力)下连续工作( )。
A. 1min
B. 2min
C. 5min
D. 10min
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