单项选择题
The two factors which make underwater hull repair difficult are accessibility and the（）.
A.availability of tools
B.shape of the hull
C.pressure exerted by the water
D.threat of progressive flooding
相关考题
-
单项选择题
The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.
A.oxygen and explosion meter when it is used for detection of flare gases
B.self-contained breathing apparatus，when used as protection from gas leaking from a refrigeration unit
C.boots and gloves that are made of rubber or electrically non-conductive material，if used when repairing electrical equipment
D.lifeline，if used by personnel entering a compartment which might be deficient of oxygen -
单项选择题
The radio technician will come aboard（）the repairs.
A.on
B.in
C.with
D.for -
单项选择题
The order of importance in addressing damage control is（）.
A.control flooding，control fire，repair structural damage
B.restore vital services，control fire，control flooding
C.control fire，restore vital services，control flooding
D.control fire，control flooding，repair structural damage
