A.leaks in the ship's refrigeration system
B.improper cleaning of the cargo spaces
C.carriage at the wrong temperature
D.improper precooling of the cargo spaces
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A.Seal off all tank and compartment ventilation
B.Remove all bulk materials from the P-tanks
C.Provide respiratory protection and monitoring
D.All of the above
A.an above-deck datum such as the top of the ullage pipe
B.the tank ceiling aboard transversely framed vessels
C.the tank top
D.a thievage mark below the edge of the deck
A.the tank ceiling
B.the tank top bushing
C.the thievage mark
D.an above deck datum
A.the base of the expansion trunk
B.the base of the ullage port
C.a line scribed within the ullage port
D.an above-deck datum，usually the top of the ullage hole
A.hold a valid officer's license for inspected vessels
B.be a certificated tankerman
C.be 30 years old
D.have a letter from the company stating his qualification
最新試題
To determine which grades of cargo a tanker is permitted to carry you should（）.
Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.
By regulation，cargo tanks must be inert before and during what operation?（）.
When loading bulk liquid cargo，what is the FIRST action you should take if a cargo valve jammed open?（）
Prior to backloading portable tanks or drums onto an offshore supply vessel，check that each tank is（）.
Cargo that is suitable for carriage on Ro-Ro vessels includes（）.
The greatest strain，when lifting a load with the jumbo purchase，is on（）.
Ullages on tankers are measured from（）.
According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.
A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?（）.