甲类船长(船舶货运技术)航海英语练习1
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Your tanker is carrying a cargo of styrene．Which of the following is NOT a requirement for carriage of this cargo ________．
- 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
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You are planning to use the crude oil washing system on your tanker．What is required to prevent electrostatic buildup in the tanks ________．
- 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
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Your tanker is fully loaded，and you find that she is down slightly by the head．To adjust the trim，you may ______．
- A.Add ballast aft
- B.Load more cargo aft
- C.Shift cargo aft
- D.All of the above
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You are on a vessel that carries liquefied gasses in bulk．The person on watch is required to have what information about the cargo easily accessible ________．
- A.Port of loading
- B.Exact quantity on board
- C.Name and address of consignee
- D.Firefighting procedures
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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
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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
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Your tanker is loaded down to her marks，and you find that she has too much trim by the stern．To adjust the trim，you may ______．
- A.Add ballast forward
- B.Load more cargo forward
- C.Shift bunkers forward
- D.All of the above
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You are on a cargo vessel carrying toluol in bulk in portable tanks．Which is a requirement for pumping the toluol ________．
- 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
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You are on a multiple-product chemical tanker with orders to load diethylamine．What is NOT a requirement for transporting this cargo ________．
- 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
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You are on a tanker designed to carry molten sulfur．Which statement is TRUE ________．
- 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
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