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A psychrometer has two thermometers that provide dry bulb and wet bulb temperatures. By comparing these two temperature readings with a set of tables you can determine the ______.
A.atmospheric pressure
B.wind speed
C.relative humidity and dew point
D.wind chill factor
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更多 “ A psychrometer has two thermometers that provide dry bulb and wet bulb temperatures. By comparing these two temperature readings with a set of tables you can determine the ______.A.atmospheric pressureB.wind speedC.relative humidity and dew pointD.wind chill factor ” 相关考题
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10℃ above the dry bulb temperatureC
5℃ above the dry bulb temperatureD
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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
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单选题Which can be prevented only by segregating two lots of cargo into separate holds? （）A
Contamination of dry cargo by a wet cargoB
Contamination of a clean cargo by a dirty cargoC
Contamination of a food cargo by an odorous cargoD
Overcarriage，overstowage，and short landing
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单选题If air at 95℃ dry bulb temperature and 50% relative humidity is conditioned to 75℃ dry bulb temperature and 50% relative humidity, it is an example of （）.A
cooling onlyB
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单选题A cargo hold has been determined to have a relative humidity of 80% and a dry bulb temperature of 80 ℃ and a dry bulb temperature of 85℃.When the hold is sealed and the dry bulb temperature decreases, the relative humidity in the space will （）A
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单选题To prevent the unnecessary loading of an air conditioning system while maintaining the designed dry bulb temperature and relative humidity in an air conditioning system, you should （）A
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单选题A psychrometer has two thermometers that provide dry bulb and wet bulb temperatures. By comparing these two temperature readings with a set of tables you can determine the （）.A
atmospheric pressureB
wind speedC
relative humidity and dew pointD
wind chill factor
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单选题The latent heat of water vapor in air is dependent upon the （）A
dry bulb temperatureB
wet bulb temperatureC
dew pointD
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单选题A sling psychrometer is used to measure（）.A
seawater temperatureB
engine temperatureC
dry bulb and wet bulb temperaturesD
barometric pressure
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单选题A fire starting by spontaneous combustion can be expected in which condition?（）.A
Paints, varnish, or other liquid flammables are stowed in a dry stores lockerB
Inert cargoes such as pig iron are loaded in a wet conditionC
Oily rags are stowed in a metal pailD
Clean mattresses are stored in contact with an electric light bulb
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dry bulb temperatureB
wet bulb temperatureC
saturation temperatureD
water vapor superheat
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单选题The inside light in an inflatable liferaft is turned on（）.A
automatically as the liferaft inflatesB
with a switch near the boarding handleC
at night because the light has a photosensitive switchD
by screwing the bulb in after the raft is inflated
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