A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）<br>A:When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result<br>B:When going directly from full ahead to full astern，there is complete steering control<br>C:When the vessel has headway and the propeller is in neutral，there is no effect on rudder control<br>D:When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM

A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
A:When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result
B:When going directly from full ahead to full astern，there is complete steering control
C:When the vessel has headway and the propeller is in neutral，there is no effect on rudder control
D:When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM

出自：海船船员证

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