A.5 times the maximum working pressure on the hose during cargo transfer
B.one half the designed working pressure
C.4 times the pressure of the cargo pump used for transferring
D.5 times the minimum working pressure on the hose during cargo transfer
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A.keel
B.center of buoyancy
C.tipping center
D.amidships section
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
最新試題
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
LFG tank and pipeline maintenance should include（）.
The vapor pressure of a substance（）.
To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
Butadiene，inhibited，is labeled as a（）.
What is used to test a tank for oxygen content?（）
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
Combustible gas indicators operate by drawing an air sample into the instrument（）.