When carrying a cargo of asphalt or molten sulfur,which are carried at temperatures of over 300°F,one of the biggest dangers is ______.A.water in the tanks or pipelinesB.having the cargo too coolC.explosion of vapors after dischargeD.inadequate ullage space

When carrying a cargo of asphalt or molten sulfur,which are carried at temperatures of over 300°F,one of the biggest dangers is ______.

A.water in the tanks or pipelines

B.having the cargo too cool

C.explosion of vapors after discharge

D.inadequate ullage space


相关考题:

The UN number of a dangerous cargo in package can be found in ________ .A.International Maritime Dangerous Goods Carried by SeaB.International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in BulkC.International Convention for the Safety of Life at SeaD.International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk

At any rate ______ is liable for delay in obtaining the necessary Customs House papers for discharging,when the delay arises from the fact that special papers are required for the particular cargo carried.A.the ChartererB.the ShipownerC.the ShipperD.the Receiver

In most cases,the mere reception or dumping down of the cargo on the ship ______ involve completion of loading,because the operation of loading involves all that is required to put the cargo in a condition in which it can be carried.A.is notB.has notC.do notD.does not

In no case shall ballast water be carried in cargo tanks,______ on those rare voyages when weather conditions are so severe that,in the opinion of the master,it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.A.besidesB.in particularC.incase ofD.except

You are carrying triethylamine,methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true?A.Isoprene may be carried in a cargo tank adjacent to either of the other two cargoesB.Methyl methacrylate may not be carried in a tank adjacent to a pump roomC.Methyl methacrylate must usually be heated to maintain its stabilityD.Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine

______ include goods,wares,merchandise,and articles of every kind whatsoever except live animals and cargo which by the contract of carriage is stated as being carried on deck and is so carried.A.GoodsB.ThingsC.ItemsD.Articles

Which barge in your tow would require a cargo information card to be carried in the pilothouse ________.A.A tank barge with a sign reading No Visitors,No Smoking,No Open LightsB.An open hopper barge carrying coalC.A gas-free chlorine bargeD.An empty(not gas-free)barge that last carried benzene

Your tow includes a barge carrying chlorine.Which special requirements must be observed ________.A.The wing voids shall not be opened when underwayB.You must post a deckhand to keep a special watch on this bargeC.A cargo information card for chlorine must be in the pilothouseD.All of the above

Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following ________.A.Gooseneck ventsB.Flame screensC.Pressure vacuum relief valvesD.Forced draft blowers

Which spaces are required to be segregated from cargo tanks carrying grades A,B,C,or D cargoes ________.A.Pump roomsB.Enclosed deck spacesC.CofferdamsD.Navigation spaces

You are on a tanker designed to carry molten sulfur.Which statement is TRUE ________.A.There must be two portable toxic vapor detectors on boardB.The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volumeC.Cargo temperature may be taken by portable thermometersD.The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them

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 replacedB.Authorization to carry styrene must be endorsed on the Certificate of InspectionC.You must have a Certificate of Inhibition provided by the shipperD.The cargo tank heating coils must be blanked off

The moisture equilibrium chart can be used to determine the ______.A.Absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium existsB.Dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodityC.Enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargoD.Temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo

Which of the following cargo is not carried in refrigerated ships?()A、Grain.B、Fruit.C、Meat.D、Fish.

单选题In most cases,the mere reception or dumping down of the cargo on the ship()involve completion of loading,because the operation of loading involves all that is required to put the cargo in a condition in which it can be carried.Ais notBhas notCdo notDdoes not

单选题Deadweight,which is the cargo carrying capacity of a vessel in tons,is determined by().ALoaded displacement minus light displacementBGross tonnage minus net tonnageCLoaded displacement minus net tonnageDLight displacement minus the weight of the vessel

单选题You are carrying triethylamine,methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true? ()AIsoprene may be carried in a cargo tank adjacent to either of the other two cargoesBMethyl methacrylate may not be carried in a tank adjacent to a pump roomCMethyl methacrylate must usually be heated to maintain its stabilityDPortable thermometers are not permitted to be used to take the cargo temperature of triethylamine

单选题Which of the following cargo is not carried in refrigerated ships?()AGrain.BFruit.CMeat.DFish.

单选题Which of the listed methods of heat transfer takes place when two substances of different temperatures are in physical contact with each other?()ARadiationBConductionCConvectionDEach of the above

单选题When fruit is carried as refrigerated cargo,the most frequent cause of its being infected at the discharge port is().Aleaks in the ship's refrigeration systemBimproper cleaning of the cargo spacesCcarriage at the wrong temperatureDimproper precooling of the cargo spaces

单选题In no case shall ballast water be carried in cargo tanks,()on those rare voyages when weather conditions are so severe that,in the opinion of the master,it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.AbesidesBin particularCincase ofDexcept

单选题When carrying a cargo of asphalt or molten sulfur,which are carried at temperatures of over 300°F,one of the biggest dangers is().Awater in the tanks or pipelinesBhaving the cargo too coolCexplosion of vapors after dischargeDinadequate ullage space

单选题The moisture equilibrium chart can be used to determine the().AAbsolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium existsBDew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodityCEnthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargoDTemperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo

单选题Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?()AA cargo handling roomBA space in which cargo hose is storedCAn enclosed space containing cargo pipingDAll of the above

单选题At any rate ()is liable for delay in obtaining the necessary Customs House papers for discharging,when the delay arises from the fact that special papers are required for the particular cargo carried.Athe ChartererBthe ShipownerCthe ShipperDthe Receiver

单选题Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is().Afor securing a snatch block when snaking cargo into the wings of the holdBto prevent cargo from coming in contact with the vessel's frames or shell platingCtp prevent fittings to which cargo lashing may be securedDto support the dunnage floors which are laid down between tiere of cargo

单选题When travelling, you are advised to take travellers’ checks, which provide a secure_____ to carrying your money in cash.AsubstituteBselectionCpreferenceDalternative