On a tanker，sanitary inspections of the crew’s quarters are the responsibility of the（）.

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• An inert gas system on a tanker should be used to（）.

  A . prevent the generation of flammable or combustible gas in tanks B . blow out cargo lines to prevent the build up of gas concentrations C . dilute tank atmospheres to keep gas concentrations below the lower explosive limit D . prevent fires in the pumproom by continually displacing flammable vapor

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• Cargo transfer operations on a tanker need NOT be stopped when（）.

  A . a tug comes alongside while the tanker is loading grade D and E cargoes B . a large，fresh oil spill is discovered immediately adjacent to the side of the tanker C . there is an electrical storm in the vicinity D . there is a fire on the dock or on a nearby vessel

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• Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.

  A . at least 13.1 feet away from the galleys，living quarters or navigation spaces B . from the open deck C . only from areas equipped with power ventilation systems D . isolated from any part of the vessel which normally contains sources of vapor ignitio

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• Each fireman’s outfit and its spare equipment on a tanker must be stowed in a(n)（）.

  A . locked cabinet in the machinery space B . unlocked cabinet in the machinery space C . separate and accessible location D . location near a fire hydrant

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• Using an inert gas system on a tanker has which advantage(s)? （）

  A . Provides for faster loading B . Lowers oxygen content in the tank C . Provides better fuel economy D . All of the above

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• To serve as a person in charge of transfer operations on board a self-propelled tanker，an individual must（）.

  A . hold a valid officer's license for inspected vessels B . be a certificated tankerman C . be 30 years old D . have a letter from the company stating his qualificatio

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• The most likely location for a liquid cargo fire to occur on a tanker would be（）.

  A . in the pumproom B . at the vent header C . at the main deck manifold D . the midships house

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• Protective clothing must be worn while sampling hazardous cargo on a tanker，and as a minimum includes（）.

  A . a hood or hard hat B . a face mask or goggles C . boots D . chemical resistant glove

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• In setting the valves on a steam-smothering system on a tanker，the master control valve to cargo tanks should be（）.

  A . open and individual tank valves open B . open and the individual tank valves closed C . closed and the individual tank valves closed D . closed and the individual tank valves ope

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• What will NOT be found on the Certificate of Inspection of an ocean going tanker?（）

  A . Manning requirements B . Minimum freeboard permitted C . Grade(s) of cargoes that the vessel may carry D . Waters upon which the vessel may be operated

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• You are on a multiple-product chemical tanker and will carry cargoes of ethanolamine，methyl acrylate，and glycerine. Which statement is true? （）

  A . All of these cargoes are mutually incompatible B . Glycerine may be stowed adjacent to methyl acrylate but must be segregated from ethanolamine C . Methyl acrylate and ethanolamine are compatible but both must be segregated from glycerine D . Glycerine is compatible with both of the other cargoe

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• Each fire pump on a tanker must have a pressure gauge located at（）.

  A . the pump discharge B . the manifold connection C . each fire station discharge D . the pump statio

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• If an emergency pump control is used as the emergency shutdown on a tanker，it must（）.

  A . stop the flow of oil at the main deck manifold B . prevent the oil from leaving the shore facility C . prevent the oil from siphoning through the pump D . None of the above

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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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• Ullages on tankers are measured from（）.

  A . an above-deck datum such as the top of the ullage pipe B . the tank ceiling aboard transversely framed vessels C . the tank top D . a thievage mark below the edge of the deck

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• What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）

  A . the Matitime Code of China B . Certificate of Inspection C . Oil Transfer Procedures Manual D . IOPP Certificate

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• You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol，benzene，and propanolamine. Which of the following is true? （）

  A . All of these cargoes are mutually compatible B . Benzene may not be carried in a tank adjacent to either of the other two cargoes C . Allyl alcohol is incompatible with propanolamine but both are compatible with benzene D . Propanolamine is compatible with allyl alcohol but must be segregated from benzene

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• The person on a ship who is responsible for maintaining the engineering spaces in a clean and sanitary condition is the（）.

  A . Master，or person in charge B . Chief Engineer，or engineer in charge if no chief engineer is required C . Senior mechanic，or mechanic on duty if no senior mechanic designated D . Senior electrician，or electrician on duty if no senior electrician designated

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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 carrying propionic acid also，the venting systems must be segregated

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• You are on a multiple product tanker and carrying methyl acrylate，diethanolamine，and triethylamine. Which statement is TRUE? （）

  A . Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine B . The heating coils to the cargo tank loaded with methyl acrylate must be blanked off C . Valve components made of aluminum，copper，or zinc may not be in contact with the cargoes D . Each crew member working on deck must have an emergency escape breathing apparatu

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• You are on a tanker discharging oil．When all of th...

  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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