单项选择题
A.the stopping engine suddenly B.the sailing astern and changing direction suddenly C.the sailing from the shallow water area to the deep water area D.the ship’s trim too much
When the vessel on the full speed ahead, if full astern...
单项选择题When the vessel on the full speed ahead, if full astern immediately （） the main engine start astern and fuel injection.
A.after the thrust power is zero B.after the torsion is zero C.surpass the critical point on the water turbo phase D.after the speed is zero
According to the Robinson Graph, suddenly astern maneuv...
单项选择题According to the Robinson Graph, suddenly astern maneuvering of main engine during navigating will cause（）
A.rapid reduction of ship’s friction force B.shaft system over mechanical load C.sharp growth of the torque of diesel engine D.propeller torque change along J=0 curve
While a ship with twin screw is making a turn, in order...
单项选择题While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should （）
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
