单项选择题
A.keep all systems in normally running B.the main engine is stand-by C.shut off the starting air bottle outlet valve D.pay attention to the changes of the system parameters
After finished the engine, which of valves cannot be sh...
单项选择题After finished the engine, which of valves cannot be shut off by the duty engineer?（）
A.fuel valve B.the starting air valve C.the sea chest D.the main sea pump inlet valve
After received the “finished with engine” instruction, ...
单项选择题After received the “finished with engine” instruction, which of the following operations is false?（）
A.shut off the starting air receiver outlet valve B.stop the FO priming transfer pump and shut off the correspondence inlet and outlet valve C.stop the SW pump immediately and shut off the correspondence inlet and outlet valve D.stop the FW pump immediately and shut off the correspondence inlet and outlet valve
Which of the following item is the cause to the damage ...
单项选择题Which of the following item is the cause to the damage of parts and excess wearing?（）
A.overload B.the odds of the load C.the default of parts D.overload and the odds of the load
