Please include the minimum heights for the air pipes:

验船师考试题

题干		a) Please include the minimum heights for the air pipes: POS. 2 \ --> b) When can a lower height be accepted?
备 选 项	A
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答案		Answers: a) 760 mm pos. 1 and 450 mm pos. 2 b) A lower height can be approved when the heights above interfere with the working of the ship, provided that the Administration is satisfied that the closing arrangements and other circumstances justify a lower height.
依据 （出处）		Load Line 1966/1988 Annex I, Reg.20