【名词&注释】
二氧化碳、灭火剂(fire extinguishing agent)、主管机关(competent authorities)
[单选题]Theoretical perfect combustion in a diesel engine yields by-products of_____.
A. aldehydes and carbon dioxide
B. water vapor and carbon monoxide
C. nitrogen and carbon monoxide
D. water vapor and carbon dioxide
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举一反三：
[单选题]400总吨及以上非油轮，必须具备经主管机关批准的_______。
A. STCW公约
B. 防污证书
C. 货物记录簿
D. 以上都是
[单选题]已知到达点纬度Φ226°24ˊ.6N,两地间纬差DΦ8°06ˊ.2N,则起航点纬度Φ1为：()
A. 18°18ˊ.4N
B. 15°47ˊ.8N
C. 34°30ˊ.8N
D. 15°12ˊ.2N
[单选题]下列说法错误的是：_______。
A. 甲类火的最佳灭火剂是水。
B. 油轮油舱着火最好用二氧化碳扑灭。
C. 乙炔气着火可用干粉扑灭。
D. 7150灭火剂可以扑灭金属火。
[单选题]If the superheat value of a thermostatic expansion valve is set too low, the _.
A. the suction line will be abnormally cold and liquid may slug back to the compressor
B. the suction line will be hot due to a reduced amount of refrigerant returning to the compressor
C. the temperature of the refrigerant within the condenser will remain the same
D. the temperature of the refrigerant passing through the sub-cooler will decrease
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