A、in which
B、on which
C、to which
D、by which
更多“The main engine is cooled with fresh water （）is added suitable small quantities of chemicals to prevent corrosion.”相关的问题
A、The main body of a vessel is the hull. B、The main body of a vessel is the superstructure. C、The main body of a vessel is the engine room. D、The main body of a vessel is the poop.
A、To reduce the main engine speed B、To increase the main engine speed C、To govern the main engine speed D、To fix the propeller shaft
A、power of main engine B、turbine rotation speed C、speed of main engine D、exhaust temperature
A、A.Use the C02 system and evacuate the engine room B、B.Use the fire main system and evacuate the engine room C、C.Evacuate the engine room and use the C02 system D、D.Evacuate the engine room and use the fire main system
A、Use the CO2 system and evacuate the engine room B、Use the fire main system and evacuate the engine room C、Evacuate the engine room and use the CO2 system D、Evacuate the engine room and use the fire main system
A、stop main engine immediately B、ask the captain and the chief engineer’s permission for stopping the engine C、initiatively inquire the bridge for the situation D、stop engine and inform bridge
A、reduce the fuel feeding of main engine of inner propeller B、reduce the fuel feeding of main engine of outer propeller C、firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propeller D、reduce fuel feeding of two engines at the same time
A、the bridge officer on watch B、the chief engineer C、the duty engineer D、the duty motorman
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