Full access allows:
- Solve all tests online without limits;
- Remove all advertisements on website;
- Adding questions to favorite list;
- Save learning progress;
- Save results of practice exams;
- Watching all wrong answered questions.
- Homepage »
- Master (Oceans or Near Coastal (Uninspected Fishing Industry Vessel)) »
- Q180 - Deck General
2. Open ullage holes in tanks which are not gas-free must be protected by __________.
Flame screens are required to protect open ullage holes in tanks not gas-free, preventing external flames from igniting vapors while allowing venting.
Comments (0)
There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it
Only signed in users can write comments
Signin