A.keel
B.center of buoyancy
C.tipping center
D.amidships section
您可能感興趣的試卷
你可能感興趣的試題
A.keeps sparks from falling into an open tank
B.secures covers on ullage openings
C.prevents sparks from getting out of an engine's exhaust system
D.grounds static electricity
A.after the discharge valve
B.between the pump and discharge valve
C.after the suction valve
D.between the pump and suction valve
A.CCS marine surveyor
B.certified marine chemist
C.port engineer
D.MSA marine inspector
A.cooling the gas below the ignition point
B.cutting off the supply of oxygen
C.stopping the flow of gas
D.interrupting the chain reaction
A.odor
B.color
C.pressure
D.density
最新試題
The amount of LFG that may be loaded into a given tank is determined by（）.
What is used to test a tank for oxygen content?（）
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
Which is NOT a safety precaution to be observed during the loading of LFG?（）
Name one major advantage of transporting gas under refrigeration.（）
LFG tank and pipeline maintenance should include（）.
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
When fueling has been completed（）.
Gasoline fumes tend to（）.
Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure（）.