| What means of emergency escape from a shaft tunnel are provided? |
| A) Two means of escape are provided, one which is a sliding watertight door at the forward end of the tunnel and the other a ladder and watertight trunk at the aft end of the tunnel. |
| B) Only one means of escape is provided which is a sliding watertight door at the aft end of the tunnel. |
| C) Only one means of escape is provided which is a sliding watertight door at the forward end of the tunnel. |
| D) Two means of escape are provided, one which is a sliding watertight door at the aft end of the tunnel and the other a ladder and watertight trunk at the forward end of the tunnel. |
