A.It increases its volume
B.It reduces its volume
C.It has less product per volume
D.None of the above
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A.exclusion of all sand and solid matter
B.cleaning with clean fresh or sea water
C.examination for fractures and pitting
D.All of the above
A.that
B.which
C.who
D.these
A.Make periodic inspections of bilges
B.Keep the barge under constant surveillance
C.Have a properly certificated tankerman or at least one licensed officer on board the towing vessel
D.Verify ullage readings
A.above the floor plates of the bilges
B.above the carburetor level
C.at the lowest point of the bilge areas
D.at no particular level
A.to the top to expel all vapors from the tanks
B.to the top so the operator is certain how much fuel he has aboard
C.with only sufficient fuel for the planned trip so excess gasoline is not carried
D.to near the top with some space allowed for gasoline expansion
最新試題
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
Butadiene，inhibited，is labeled as a（）.
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
What is used to test a tank for oxygen content?（）
Gasoline tanks should be filled（）.
When fueling has been completed（）.
Which is NOT a safety precaution to be observed during the loading of LFG?（）
What normally helps in detecting escaping gas? （）
Where should the tops of vents from gasoline tanks terminate?（）.