多项选择题
载重线标志可用下述哪些方法永久地勘划在船舷中部两侧？（）
A.标志用钢板制成实样焊接在船舷
B.堆焊载重线标志的边线
C.在干舷标志的边线上打样冲
D.用油漆将干舷标志绘于船舷两侧
点击查看答案
相关考题
-
单项选择题
With reference to the requirements under IMO MODU CODE，Operating manuals containing guidance for the safe operation of the MODU unit for both normal and envisaged emergency conditions， to the satisfaction of the Administration should be provided on board and be readily available to all concerned. The manuals should， in addition to providing the necessary general information about the unit， contain guidance on and procedures for the operations that are vital to the safety of personnel and the unit.The operating manual for normal operations should include the following general descriptive information（）
A.a description and particulars of the unit
B.a capacity plan showing the capacities and the vertical， longitudinal and transverse centers of gravity of tanks and bulk material stowage spaces
C.Fuel oil storage and transfer procedures
D.All of above -
单项选择题
根据《国际海上人命安全公约》第Ⅱ-1章，第48条，第1节的要求，周期性无人值班机器处所的舱底污水井的位置和监测，应使液体的积聚在何时能够探知：（）
A.正常纵倾和横倾角度时
B.当注入的液体大于舱底泵的容量时
C.舱底泵比通常预计的更频繁地工作时
D.以上都是 -
单项选择题
下列哪项是国际通岸接头标准尺寸（）
A.法兰外径200/内径80，4螺栓M20L=50mm/法兰盘最小厚度16.5mm/孔径24且开槽
B.法兰外径188/内径70，4螺栓M16L=50mm/法兰盘最小厚度15.5mm/孔径20且开槽
C.法兰外径178/内径64，4螺栓M16L=50mm/法兰盘最小厚度14.5mm/孔径19且开槽
D.法兰外径168/内径54，4螺栓M12L=50mm/法兰盘最小厚度13.5mm/孔径15且开槽
