Which statement is TRUE concerning cargo hose on tank barges ________．
A. Cargo hose must be able to withstand the shut-off head plus the static head of the cargo pump
B. Cargo hose must be able to withstand the static head of the cargo pump but no less than 100 psi
Cargo hose must be able to withstand the shut-off head less the static head of the cargo pump but no less than 100 psi
D. Cargo hose must be able to withstand at least 150 psi
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You are on a tanker discharging oil．When all of the oil that the main cargo pumps can handle is pumped out of a tank，the remainder is ______．
A. Stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps
B. Stripped to one tank and then pumped out with the main pumps
C. Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps
D. Gravitated to the centers from the wings and pumped out with the main pumps
Which of the following product（s）would be classified as grade E ________．
A. Gasoline
Bunker C
C. Kerosene
D. All of the above
Which of the following may be used in cleaning up an oil spill without the permission of governmental authorities ________．
A. Straw and Skimmers only
B. Skimmers and Chemical dispersants only
C. Straw and Chemical dispersants only
D. Straw，Skimmers and Chemical dispersants
Which statement about inert gas pressures in a cargo tank is TRUE ________．
A. The pressures of the inert gas in the tank may create excessive pressure at the pump while discharging
B. Gas pressures should be maintained at the highest permissible level throughout the discharging process
C. High gas pressures may cause pyrophoric oxidation in the tank
D. High gas pressures may cause loss of suction when stripping
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