| Concerning steerable internal duct thrusters, what statement is true? |
| A) The thrust direction of the steerable internal duct thruster is determined by the orientation of the pump inlet guide vanes. |
| B) The thrust direction of the steerable internal duct thruster is determined by reversing the pitch angle of the pump impeller. |
| C) The thrust direction of the steerable internal duct thruster is determined by the orientation of the water discharge vectoring ring. |
| D) The thrust direction of the steerable internal duct thruster is determined by the direction of rotation of the pump. |
