相关题目
27、coamings and hatchway covers to exposed hatchways on decks above the superstructure deck shall comply with:
26、Emergency towing arrangements shall be fitted at both ends on board every tanker of not less than tonnes deadweight.（）
25、Bulk carriers shall be fitted with water level detectors.in each cargo hold,giving audible and visual alarms,one when the water level above the inner bottom in any hold reaches a height of m and another at a height not less than 15% of the depth of the cargo hold but not more than m.
24、Which one below shall be fitted with a helicopter landing area approved by the Administration having regard to the recommendations adopted by the Organization.
23、All ships of 50,000 gross tonnage and upwards shall have:（）
22、对于2002年7月1日或以后建造的载重量不小于 T的艘液货船，应在其首尾两端设置应急拖带装置。该装置应能始终在被拖船主动力失效时迅速展开并易于与拖船连接。至少1台应急拖带装置应预先设置成待命状态用于迅速展开
21、舷窗不应设置在下列位置：
20、（ ）及压载管系，应布置成能防止有海上或来自压载舱的水进入货舱及机器处所，或从一舱进入另一舱的可能。
19、载重量不小于20，000t的液货船，应在其首尾两端配备 （ ）装置。
18、对1997年7月1日或以后建造的客滚船，所有通向舱壁甲板以下处所的通道口的最低点至少应高出舱壁甲板 （ ） m.
