Engine: Retired questions · General Subjects

1. 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.
2. 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.
3. 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.
4. 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.

Tip: press A-D to answer