If keep the fuel injection of main engine unchanged when ship is fouled, that will causeⅠ.The speed of main engine to be reduced Ⅱ.Ship speed to be reduced Ⅲ.The resistance torque of propeller to be increased Ⅳ.Trim at stern to increase（）

When a ship is fully loaded, it needs to prevent the ma...

单项选择题When a ship is fully loaded, it needs to prevent the main engine to be（）.While a ship is fully empty, it needs to prevent the main engine to be（）.

When ship is fouled, increasing the fuel injection for ...

单项选择题When ship is fouled, increasing the fuel injection for keeping the normal speed will cause the main engine （）

The fire of burning plastics is classified as （） fire.A...

单项选择题The fire of burning plastics is classified as （） fire.