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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
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更多 “ 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 ” 相关考题
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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
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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
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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
考题
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
考题
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 ______.A.secure all ventilationB.shut down the exhaust blowersC.shut down the intake blowersD.ventilate the cargo holds
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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
考题
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
考题
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
考题
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
考题
单选题What occurs when rising air cools the dew point?（）A
advection fog formsB
humidity decreaseC
wind increaseD
Cloud form
考题
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
考题
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
考题
单选题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
考题
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 （）A
dead bandB
control pointC
deviationD
offset
考题
单选题Sweat damage will occur in a cargo hold containing machinery parts when（）.A
the outside air is colder than the cargoB
the air temperature of the hold is higher than the outside air temperatureC
the dew point of the hold is higher than the temperature of the cargoD
the dew point of the outside air is lower than the temperature of the cargo
考题
单选题When air is at its dew point it is at its（）A
lowest absolute humidityB
lowest relative humidityC
highest absolute humidityD
highest relative humidity
考题
单选题Fog forms when the air（）.A
is 50% water saturatedB
is 90% water saturatedC
temperature is greater than the dew point temperatureD
temperature is equal to，or below the dew point temperature
考题
单选题Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?（）A
The period of time in which the set point and the control point coincideB
The periodic change between the set point and the control pointC
The variable difference between the set point and the control pointD
The constant difference between the set point and the control point
考题
单选题Hygroscopic cargoes should be ventilated when（）.A
going from a warm to a coldB
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
考题
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（）.A
pressure builds up in the nozzle which causes a surge of waterB
the only opening in a passageway is the one from which the nozzle is being advancedC
pressure in the fire hose drops below 100 psiD
a bulkhead collapses due to heat and pressure
考题
单选题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
考题
单选题Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.A
spring，around late eveningB
spring，around early eveningC
fall，around early morningD
fall，around midday
考题
单选题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
考题
单选题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℃ and the cargo temperature is 12℃
考题
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
考题
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（）.A
secure all ventilationB
shut down the exhaust blowersC
shut down the intake blowersD
ventilate the cargo holds
考题
单选题When air is at its dew point it（）.A
will contain no additional moistureB
has the lowest relative humidityC
cannot keep up its moistureD
has a low absolute humidity
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