| What statement is true concerning the forward and after bulkheads of a shaft tunnel? |
| A) The shaft tunnel aft bulkhead is the aft peak bulkhead which is watertight, and the shaft tunnel forward bulkhead is the machinery space aft bulkhead which is non-watertight. |
| B) The shaft tunnel aft bulkhead is the aft peak bulkhead, the shaft tunnel forward bulkhead is the machinery space aft bulkhead, and both bulkheads are non-watertight. |
| C) The shaft tunnel aft bulkhead is the aft peak bulkhead which is non-watertight, and the shaft tunnel forward bulkhead is the machinery space aft bulkhead which is watertight. |
| D) The shaft tunnel aft bulkhead is the aft peak bulkhead, the shaft tunnel forward bulkhead is the machinery space aft bulkhead, and both bulkheads are watertight. |
