A.stopping the main engine suddenly B.changing the main engine running direction suddenly C.the sailing from the shallow water area to the deep water area D.the ship’s trim too much
A.over heat B.over speed C.over pressure D.over worn
A.increasing the linear velocity of the exhaust gases B.changing directions of exhaust gas flow C.decreasing the temperature of the exhaust gases D.accelerating the exhaust gas through a reduced size orifice