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
Ullages are measured from（）.
If reefer spaces are not properly cleaned prior to loading cargo，it will most likely cause（）.
Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.
In preparing a cargo space for receipt of a shipment of bagged cargo，which instruction for laying dunnage should be followed? （）
By regulation，cargo tank atmosphere must be inert before and during which operation?（）
In securing deck loads for an ocean tow，drill pipe should be（）.
Air gap is the vertical distance between the bottom of the hull and the（）.
Cargo securing for Ro-Ro is based on the concept of（）.
Ullages on tankers are measured from（）.
Prior to backloading portable tanks or drums onto an offshore supply vessel，check that each tank is（）.