单项选择题
A.the galvanizing on steel B.a hatch cover C.the outer plating of a vessel D.synonymous with decking
Regulations require that access to a cargo pumproom in ...
单项选择题Regulations require that access to a cargo pumproom in a tanker carrying grade D liquid cargo，shall be（）.
A.away from galleys，living quarters，or navigation spaces B.only from areas equipped with power ventilation systems C.from the open deck D.isolated from sources of vapor ignition
Prior to magnetic particle inspection of anchor chain，t...
单项选择题Prior to magnetic particle inspection of anchor chain，the chain should be（）.
A.degaussed B.demagnetized C.soaked D.sandblasted
Pollution regulations require that each scupper in an e...
单项选择题Pollution regulations require that each scupper in an enclosed deck area have a（）.
A.wooden plug B.soft rubber plug C.two-piece soft patch D.mechanical means of closing
