Which of the following represents the

Which of the following represents the emergency signal for fire aboard ship?（）

AMore than six short blasts and one long blast on the whistle
BContinuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm
CThree short blasts of the whistle supplemented by the same signal on the general alarm
DMore than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm

参考答案

参考解析：

分类：船舶电气与船舶安全题库

Which of the following terms represents the form of heat removed from the refrigerant in the condenser of a refrigeration system?（）ALatent heat of vaporizationBHeat of compressionCSuperheatDAll of the above

2、Which of the listed effects represents

Which of the listed effects represents the purpose of heat treating steel?（）ADevelop ductilityBImprove machining qualitiesCRelieves stressesDAll of the above

3、Which of the following represents the

Which of the following represents the maximum percent of oxygen by volume required to be achieved by a ship’s inert gas system, prior to the commencement of crude oil tank washing?（）A6%B8%C10%D12%

4、Which of the following reasons represe

Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）Aco...

5、Which of the problems listed represent

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6、Which of the following gases represent

Which of the following gases represents the greatest threat to personnel safety in an engine room where the exhaust is leaking from a diesel engine?（）ACarbon dioxideBCarbon monoxideCCarbon trioxideDHydrogen sulfide

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