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
Fog is likely to occur when there is little difference between the dew point and the ______.
A.relative humidity
B.air temperature
C.barometric pressure
D.absolute humidity
相关考题：
As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperatures will ______.A.increaseB.decreaseC.remain unchangedD.be greatest at dew point
The maximum difference between mean time and apparent time is ______.A.equal to the longitude expressed in time unitsB.about 16 minutesC.the difference between the GHA of mean sun and the first point of AriesD.15°of arc
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 statement is TRUE concerning equatorial tides ________．A.They occur when the Sun is at minimum declination north or southB.They occur when the Moon is at maximum declination north or southC.The difference in height between consecutive high or low tides is at a minimumD.They are used as the basis for the vulgar establishment of the port
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
Performance divergence indicated in the Workload Replay report is most likely due to what？（） A、 DML and SQL statement results that do not match between the capture and replay systemsB、 When errors that occur in the capture system dont occur in the replay systemC、 Top SQL statementsD、 Infrastructure or system-configuration differencesE、 Time-of-day differences between capture and replay systems
单选题What occurs when rising air cools the dew point?（）Aadvection fog formsBhumidity decreaseCwind increaseDCloud form
单选题As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperature will （）.AincreaseBdecreaseCremain unchangedDbe greatest at dew point
单选题The dew point temperature is（）.Aalways higher than the air temperatureBalways lower than the air temperatureCequal to the difference between the wet and dry bulb temperaturesDthe temperature at which the air is saturated with water vapor
单选题The maximum difference between mean time and apparent time is （）.Aequal to the longitude expressed in time unitsBabout 16 minutesCthe difference between the GHA of mean sun and the first point of AriesD15°of arc
单选题The steady state difference between the control point and the value of the controlled variable, corresponding with the set point, is known as （）Adead bandBcontrol pointCdeviationDoffset
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When air is at its dew point it is at its（）Alowest absolute humidityBlowest relative humidityChighest absolute humidityDhighest relative humidity
单选题Fog forms when the air（）.Ais 50% water saturatedBis 90% water saturatedCtemperature is greater than the dew point temperatureDtemperature is equal to，or below the dew point temperature
单选题Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?（）AThe period of time in which the set point and the control point coincideBThe periodic change between the set point and the control pointCThe variable difference between the set point and the control pointDThe constant difference between the set point and the control point
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
单选题When using a high-velocity fog stream in a passageway，the possibility of a blow back must be guarded against. Blow back is most likely to occur when（）.Apressure builds up in the nozzle which causes a surge of waterBthe only opening in a passageway is the one from which the nozzle is being advancedCpressure in the fire hose drops below 100 psiDa bulkhead collapses due to heat and pressure
单选题Fog is likely to occur when there is little difference between the dew point and the（）.Arelative humidityBair temperatureCbarometric pressureDabsolute humidity
单选题Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.Aspring，around late eveningBspring，around early eveningCfall，around early morningDfall，around midday
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Performance divergence indicated in the Workload Replay report is most likely due to what？（）A DML and SQL statement results that do not match between the capture and replay systemsB When errors that occur in the capture system dont occur in the replay systemC Top SQL statementsD Infrastructure or system-configuration differencesE Time-of-day differences between capture and replay systems
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
单选题When air is at its dew point it（）.Awill contain no additional moistureBhas the lowest relative humidityCcannot keep up its moistureDhas a low absolute humidity