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- A.P/V valves with galvanized parts must be replaced
- B.Authorization to carry styrene must be endorsed on the Certificate of Inspection
- C.You must have a Certificate of Inhibition provided by the shipper
- D.The cargo tank heating coils must be blanked off
- A.The portable machines should be set at the proper drop for the first wash before the fixed machines are used
- B.The tank used as the source for the tank cleaning machines should be debottomed for at least one meter
- C.The inert gas system must reduce the oxygen content in the tank to at least 18%
- D.The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential
- A.Add ballast aft
- B.Load more cargo aft
- C.Shift cargo aft
- D.All of the above
- A.Port of loading
- B.Exact quantity on board
- C.Name and address of consignee
- D.Firefighting procedures
- 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
- 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
- A.Add ballast forward
- B.Load more cargo forward
- C.Shift bunkers forward
- D.All of the above
- A.Hose connections to the tank must be made with a minimum of three bolts
- B.There must be water pressure on the fire main
- C.You must shut down if another vessel comes alongside
- D.If transferring at anchor，you must display a red flag by day and a red light at night
- A.You must have two toxic vapor detectors or the pumproom must meet special requirements
- B.Each crew member must be provided with an emergency escape breathing apparatus
- C.A person taking cargo samples must wear protective clothing
- D.If you are also carrying allyl alcohol，the venting systems must be segregated
- A.There must be two portable toxic vapor detectors on board
- B.The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume
- C.Cargo temperature may be taken by portable thermometers
- D.The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them
- A.They should be inspected and tested periodically to ensure that the insulation is clean and in good condition
- B.Switching off a cathodic protection system may be substituted for using an insulating flange
- C.The measured resistance value after installation should be less than 1，000 ohms
- D.After the insulating flange is installed，hot work may be performed on deck
- A.Washing the tank interior with sea water
- B.Application of degreasing solvents
- C.Removal of corrosion products and sludge
- D.Fresh air ventilation
- A.One sample of air is adequate to test a tank
- B.They do not work properly where there is a lack of oxygen
- C.They will detect a lack of oxygen
- D.They are calibrated to read the percentage chance of explosion
- A.Flue gases from the ship's boilers are used in some systems
- B.The gas is helium
- C.Using the system accelerates the rusting of the tanks
- D.All of the above
- A.When loading oil cargo，it is always loaded via the discharge line through to the pump until the tank is topped off
- B.Stripping systems are generally eliminated for the purposes of cargo handling
- C.In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships
- D.There is no danger of damaging the pump from overheating
- A.They may be worn while working on deck but not while working over the side
- B.They must be used only under supervision of a designated ship's officer
- C.They will be accepted for up to 10% of the required life preservers
- D.They may be worn during drills
- 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
- C.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
- A.Boiler soot blowers should never be used when the IG system is operating
- B.The boiler will produce the best quality of flue gas for the IG system when the boiler load is very light
- C.The boiler will produce the most quantity of flue gas for the IG system when the boiler load is very light
- D.Flue gas with excessive oxygen content is de-oxygenated in the scrubber
- 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
- A.Pump rooms
- B.Enclosed deck spaces
- C.Cofferdams
- D.Navigation spaces
- A.Crude oil
- B.Hard asphalt
- C.Lubricating oil
- D.Residual fuel oil
- A.Gasoline
- B.Bunker C
- C.Kerosene
- D.All of the above
- A.Straw and Skimmers only
- B.Skimmers and Chemical dispersants only
- C.Straw and Chemical dispersants only
- D.Straw，Skimmers and Chemical dispersants
- A.A flame safety lamp
- B.A combustible gas indicator
- C.A liquid cargo meter
- D.All of the above
- A.topped up
- B.braced
- C.tommed down
- D.shored
- A.Is full
- B.May be partially flooded
- C.Level has dropped
- D.Is completely flooded
- A.Better identify the correct reading
- B.Show the depth of any water in an oil tank
- C.Make the tape roll easier
- D.Reduce possibility of sparks
- A.Draft and trim
- B.Limits of the bending moments
- C.Rate of discharging
- D.Rate of loading
- A.Distance of the barite surface above the tank bottom
- B.Percentage of barite in the tank
- C.Distance of the barite surface below the tank cover
- D.Total weight of barite in UPC（ullages per centimeter）
- A.load only one tank at a time
- B.keep the seamen on watch on standby in the mess room
- C.keep a strain on the loading hoses
- D.close valves by closing them down，reopening one or two turns，and re-closing
- A.International shore connection
- B.Insulating flange or single length of non-conducting hose
- C.Self-contained breathing apparatus
- D.Oxygen analyzer
- A.increase
- B.decrease
- C.are directly proportional
- D.remain unchanged
- A.operated continuously while vapors may be present
- B.operated intermittently to remove vapors
- C.available on standby for immediate use
- D.shut down if an explosive mixture is present
- A.Cleaned internally with a degreaser
- B.Washed out with hot soapy water
- C.Drained，blanked off，and stored securely
- D.Stowed vertically and allowed to drain
- A.the oxygen
- B.the gas
- C.the inert gas
- D.the hydrocarbon vapour
- A.be purged with hydrocarbon gas prior to loading
- B.be gas-freed after loading operations
- C.not be maintained in an inert condition
- D.be maintained in an inert condition
- A.Innage
- B.Outage
- C.Thievage
- D.Ullage
- A.Bill of Lading
- B.Logbook entry
- C.Manifest
- D.Shipping document
- A.Steel or aluminum
- B.Sandwich style fibreglass with a natural rubber core
- C.Copper-nickel or copper silicon alloys
- D.Any or all of the above
- A.Regulation of discharge pressure from cargo pumps
- B.Maintaining constant velocity in cargo lines
- C.Regulation of suction head on cargo pumps
- D.To maintain a tank or void at atmospheric pressure
- A.Provides for the removal of vapors
- B.Allows two or more tanks to be filled at the same time
- C.Provides for the emergency shutdown of the pump
- D.Permits the return of cargo to the suction side of the pump
- A.Relieve excessive overpressures in the system
- B.Isolate hazardous from nonhazardous areas
- C.Prevent the flow of inert gas into closed tanks
- D.Remove any leftover water or soot after the gas has been scrubbed
- A.A line diagram of the vessel's oil transfer piping
- B.The number of persons on duty during oil transfer operations
- C.Any special procedures for topping off tanks
- D.The location and capacity of all fuel and cargo tanks on the vessel
- A.Rock oil
- B.Mineral oil
- C.Seneca oil
- D.Earth crude
- A.Bill of Lading
- B.Manifest
- C.Shipping document
- D.Logbook entry
- A.Methyl alcohol
- B.Heptane
- C.Mineral spirits
- D.Iso-Hexane
- 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
- A.The cargo piping system shall be fixed
- B.Flanged joints shall be used for pipe sizes exceeding 2 inches in diameter
- C.Piping through bunker spaces may be run through a pipe tunnel
- D.Connections at bulkheads must be made so that the plating does not form part of a flanged joint
- A.Dioctyl-phthalate
- B.Gasoline
- C.Formic acid
- D.Creosote coal tar
- A.Cool the inert gas
- B.Remove particulate matter like soot
- C.Maintain pressure in the tanks
- D.Remove chemical impurities
- A.Static electricity
- B.An open running electric motor
- C.Loose wiring
- D.Explosion proof lights
- A.Acetaldehyde
- B.Ethyl alcohol
- C.Carbon tetrachloride
- D.Tetramethylene glycol
- A.A liquid cargo carried in the deep tanks
- B.A canned or bottled liquid such as beer
- C.A cargo that contains hygroscopic moisture
- D.A cargo particularly susceptible to damage by moisture
- A.They must be conspicuously marked
- B.They must be located at least 10 feet from the engine
- C.There must be at least two such shutdown devices
- D.The valve rods shall be fitted with stuffing boxes
- A.Set up as tight as possible by hand
- B.Set up tight using a valve wrench
- C.Closed，opened a half turn，and then closed
- D.Closed against the stop and the locking pin inserted
- A.Class 8
- B.Class 3 - flammable liquid
- C.Division 2.2 - nonflammable gas
- D.All of the above are correct
- A.Exposure to carbon dioxide for no more than 1 minute
- B.Exposure to carbon dioxide for more than 10 minutes
- C.Exposure to a very low concentration of sulfur dioxide for no more than 2 minutes
- D.None of the above
- A.For as long as is indicated on the gas-free certificate
- B.For the instant that it is made
- C.Until valves in line with the tank or compartment are reopened
- D.Until changes in temperature or pressure affect the vapor content in the space
- A.Low oxygen alarm
- B.Low pressure alarm
- C.Scrubber high water level alarm
- D.Deck seal low water alarm
- A.The master control valve shut and valves to individual cargo tanks shut
- B.The master control valve open and valves to individual cargo tanks shut
- C.The master control valve shut and valves to individual cargo tanks open
- D.All valves open
- A.Clear colorless liquid with an acrid odor
- B.Clear colorless liquid with an aromatic odor
- C.Brownish liquid，odorless
- D.Brownish liquid，with an acrid odor
- A.Provides for faster loading
- B.Lowers oxygen content in the tank
- C.Provides better fuel economy
- D.All of the above
- A.Turned on
- B.Turning on
- C.Turn on
- D.To turn on
