You have completed a crude oil wash.What action should be taken with the oil in the lines running to the washing machines ________.
A.Open a COW nozzle forward and one aft and drain the line into the after tank by gravity
B.Blow the line out using compressed air
C.Pull a suction using the supply line pump
D.Close off all valves in the system and leave the oil in the line primed for the next crude oil wash
第1题:
You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?
A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned
B.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank
C.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue
D.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
第2题:
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
第3题:
The main propulsion diesel continues running after you try to shut down. You should now attempt to .
A.stop the fuel oil booster pump
B.engage the jacking gear
C.secure the lube oil pump
D.shut off the fuel at the settling tank
第4题:
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
第5题:
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
第6题:
The port State control officer will ensure that ______ is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system.
A.cargo loading operations
B.cargo unloading operations
C.cargo control operations in the transport
D.crude oil washing
第7题:
Every new crude oil tanker of 20 000 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
第8题:
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
第9题:
What is NOT a requirement for the safe and effective use of a crude oil washing system ________.
A.Strip all tanks and remove the bottom residue
B.Use an inert gas system while washing tanks
C.Use portable washing machines to reach areas obscured by structural members in the tanks
D.Debottom the tank used as the source for the tank cleaning machines
第10题:
You are planning to use a crude oil washing system.What precaution must be taken with the tank as the source for the washing machines ________.
A.It must be debottomed and the level lowered by at least one meter
B.The oil in the source tank must be sampled for compatibility
C.The source tank must have been crude oil washed at least once in the past 150 days
D.The inert gas system must lower the oxygen content to a maximum of 12% oxygen in the tank