更多"Before a tank is to be crude oil wa"的相关试题:
[单项选择]Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation.
A. operate
B. check
C. install
D. overhaul
[单项选择]Sour crude oil（）.
A. contains high quantities of hydrogen sulfide
B. is diluted with other products for carriage
C. is lighter than other crudes
D. is less hazardous to load than other crudes
[单项选择]The crude oil washing installation and associated equipment and arrangements shall（）with the requirements established by the Administration.
A. comply
B. supply
C. provide
D. deny
[单项选择]Crude oil washing of cargo tanks has the following advantages except for （）
A. reducing the erosion of the cargo tanks
B. increasing the total quantity of oil to carry
C. reducing the quantity of water contained in oil
D. reducing cargo discharged time
[单项选择]The complete details of a crude oil washing system aboard your vessel，including the operating sequences and procedures，design characteristics，a description of the system，and required personnel will be found in the（）.
A. Oil Transfer Procedures Manual
B. Crude Oil Washing Operations and Equipment Manual
C. Code of Federal Regulations
D. Crude Oil Washing addendum to the Certificate of Inspection
[单项选择]Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using（）.
A. hot water
B. cold water
C. chemicals
D. crude oil washing
[单项选择]The crude oil overflowed from measuring-hole due to（）the valve of No.1 tank.
A. not close
B. not closing
C. not have closed
D. no closing
[单项选择]In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.
A. inerted
B. crude oil washed
C. diluted
D. cleaned
[单项选择]Existing crude oil tankers may，（）being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the specified provision of the Regulation.
A. as per
B. in the consequence of
C. in accordance with
D. in lieu of
[单项选择]The term "load on top" is used on many crude oil carriers, is to provide a method for （）.
A. calculating the ullage in the cargo tanks
B. loading ballast by gravity
C. the loading of new cargo into the slop tank as a procedure to minimize pollution
D. calculating the ratio of cargo expansion in a cargo tank
[单项选择]When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，the atmosphere must be sampled（）.
A. one meter from the tank bottom and one meter below the tank top
B. one half the ullage of the tank and one meter below the tank top
C. one half the ullage of the tank and one meter above the tank bottom
D. at three meter intervals from the tank top
[单项选择]While testing a cargo tank，your oxygen indicator reads 25% oxygen in the tank. You would then （）.
A. enter the tank safely
B. suspect the accuracy of the reading
C. ventilate the tank
D. test for nitrogen
[单项选择]Fuel oil tank vents are fitted with a screen which will stop（）.
A. oil from flowing out of the tank vent
B. air from entering the tank vent
C. vapors from leaving the tank vent
D. flames on deck from entering the tank vent
