单选题Air cargo is （）Aair transportBair freightCair deliveryDplane
单选题
Air cargo is （）
A
air transport
B
air freight
C
air delivery
D
plane
参考解析
解析：
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相关考题：
Usually, emergency electricity supplies to_______on boardA.Cargo winchB.WindlassC.Steering gearD.Main air compressor
Hygroscopic cargoes should be ventilated when ______.A.going from a warm to a cold climateB.the dew point of the outside air is greater than the dew point of the air in the holdC.the dew point of the air in the hold is very lowD.the outside dew point is 16°C and the cargo temperature is 12°C
Sweat damage will occur in a cargo hold containing machinery parts when ______.A.the outside air is colder than the cargo．B.the air temperature of the hold is higher than the outside air temperature．C.the dew point of the hold is higher than the temperature of the cargo．D.the dew point of the outside air is lower than the temperature of the cargo
When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold，you should ______.A.secure all ventilationB.shut down the exhaust blowersC.shut down the intake blowersD.ventilate the cargo holds
Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?A.Age of vehicle or cargo unitB.Size and weight of vehicle/cargo unitC.Reputation of shipper concerning condition of cargoD.Air pressure in the vehicles tires
Sweat damage in a hatch full of canned goods in cartons will occur when the ______．A.Air temperature is higher than the temperature of the cargoB.Air temperature is lower than the temperature of the cargoC.Dew point is higher than the temperature of the cargoD.Dew point is lower than the temperature of the cargo
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
A person may operate an air compressor in which of the following areas on board a tank barge ________．A.PumproomB.Generator roomC.A space adjacent to a cargo tankD.A space two meters from a cargo valve
In international air cargo transportation， Specific Commodity Rates are usually lower than General Cargo Rates.
单选题Which of the following is more important in determining the amount of free surface that will be produced?（）.AOutside temperatureBDewpoint of the outside airCDewpoint of the air in the cargo holdDTemperature of the cargp
单选题A vessel is proceeding from a very cold climate to a warm climate.With a cargo of non-hygroscopic nature，which of the following is correct?（）.AThere is danger of heavy cargo sweat if outside air is introduced by ventilationBDanger of the ship sweat exists.Constant and vigorous ventilation is requiredCThere is little danger of ship's sweat;slight possibility of cargo sweatDThe possibility of any ship or cargo sweat is remote
单选题A cargo of refrigerated fruit is packed in crates with transverse members dividing the crate in two equal parts. Which statement is TRUE?（）AThe cargo block should be tightly packed if the cargo is suitably chilled upon delivery to the vesselBBoth sides of each crate must be checked for the temperature and the appearance of the fruitCThe cargo block should be stowed with air channels built throughout the stowed cargoDThe crates should NEVER be stowed brick fashion
单选题Sweat damage will occur in a cargo hold containing machinery parts when（）.Athe outside air is colder than the cargoBthe air temperature of the hold is higher than the outside air temperatureCthe dew point of the hold is higher than the temperature of the cargoDthe dew point of the outside air is lower than the temperature of the cargo
单选题0n a vesel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is true?（）.ADanger of heavy ship sweat exists; constant and vigorous ventilation is requiredBThere is danger of heavy cargo sweat if outside air is introduced by ventilationCThere is little danger of ships sweat, slight possibility of cargo sweat; moderate ventilation is neededDThe po sibility of any sweat problem, either cargo or ship, is frame
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Hygroscopic cargoes should be ventilated when（）.Agoing from a warm to a coldBthe dew point of the outside air is greater than the dew point of the air in the holdCthe dew point of the air in the hold is very lowDthe outside dew point is 16°C and the cargo temperature is 12°C
判断题In international air cargo transportation， Specific Commodity Rates are usually lower than General Cargo Rates.A对B错
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Hygroscopic cargoes should be ventilated when（）.Agoing from a warm to a cold climateBthe dew point of the outside air is greater than the dew point of the air in the holdCthe dew point of the air in the hold is very lowDthe outside dew point is 16°C and the cargo temperature is 12°C
单选题Hygroscopic cargoes should be ventilated when（）.Agoing from a warm to a cold climateBthe dew point of the outside air is greater than the dew point of the air in the holdCthe dew point of the air in the hold is very lowDthe outside dew point is 16℃ and the cargo temperature is 12℃
单选题A person may operate an air compressor in which of the following areas on board a tank barge?（）APumproomBGenerator roomCA space adjacent to a cargo tankDA space two meters from a cargo valve
单选题A space should be ventilated when（）.AThe cargo's temperature is colder than the dew point of the air in the spaceBThe cargo's temperature is warmer than the dew point of the air in the spaceCThe dew point of the air in the space is lower than the dew point of the outside airDAll of the above
单选题Because of the ______ traffic in cargo and air travel passengers, the existing airport needs to be expanded.AgrowBgrowingCgrownDto grow
单选题When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold，you should（）.Asecure all ventilationBshut down the exhaust blowersCshut down the intake blowersDventilate the cargo holds