The dew point of air is reached when the wet bulb temperatur

第1题

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

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第2题

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

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第3题

As the temperature for a given mass of air increases, the ______.A.dew point increasesB.dew point decreasesC.relative humidity increasesD.relative humidity decreases

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第4题

Fog is likely to occur when there is little difference between the dew point and the ______.A.relative humidityB.air temperatureC.barometric pressureD.absolute humidity

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第5题

单选题What occurs when rising air cools the dew point?（）A advection fog formsB humidity decreaseC wind increaseD Cloud form

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第6题

单选题As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperature will （）.A increaseB decreaseC remain unchangedD be greatest at dew point

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第7题

单选题The dew point temperature is（）.A always higher than the air temperatureB always lower than the air temperatureC equal to the difference between the wet and dry bulb temperaturesD the temperature at which the air is saturated with water vapor

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