| What type of propeller thrust reversing method (or methods) is or are used with a main propulsion slow-speed crosshead type diesel engine installation? |
| A) A non-reversing engine driving a fixed-pitch propeller is the only method used. |
| B) A reversing engine driving a controllable-pitch propeller is the only method used. |
| C) Either a reversible engine driving a fixed-pitch propeller or a non-reversible engine driving a controllable-pitch propeller could be used. |
| D) Either a reversible engine driving a controllable-pitch propeller or a non-reversible engine driving a fixed-pitch propeller could be used. |
