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In the southern hemisphere the wind flow associated with a low pressure system will have which of the following characteristic？________.
A.the wind velocity is least near the center of the system
B.th e direction of the flow is counterclockwise
C.both A and B
D.neither A nor B
参考答案
更多 “ In the southern hemisphere the wind flow associated with a low pressure system will have which of the following characteristic？________.A.the wind velocity is least near the center of the systemB.th e direction of the flow is counterclockwiseC.both A and BD.neither A nor B ” 相关考题
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The circulation around a low pressure center in the Northern Hemisphere is ______.A.counterclockwiseB.variableC.clockwiseD.Anticyclonic
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In the Northern Hemisphere, when the low pressure center at your location is northerly,causing the wind is located to your ______.A.NNWB.WSWC.ESED.SSW
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When a high pressure system is centered north of your vessel in the Northern Hemisphere ______．A.You should experience hot，moist，clear weatherB.The wind direction is generally easterlyC.The winds should be from the southwest at your locationD.The winds should be brisk
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The horse latitudes are characterized by ______．A.weak pressure gradients and light，variable windsB.the formation of typhoons or hurricanes in certain seasonsC.steady winds in one direction for six months followed by wind reversal for the next six monthsD.steady winds generally from the southeast in the Southern Hemisphere
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If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? ______.A.South-southwesterlyB.North-northwesterlyC.South-southeasterlyD.North-northeasterly
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In the Southern Hemisphere winds in a low pressure system rotate in a ______.A.clockwise directionB.northeasterly directionC.northerly directionD.counterclockwise direction
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In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.A.South to westB.South to eastC.North to westD.North to east
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In the Northern Hemisphere, when the wind at your location is northerly, the low pressure center causing the wind is located to your ______.A.NNWB.WSWC.ESED.SSW
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单选题The horse latitudes are characterized by（）.A
weak pressure gradients and light，variable windsB
the formation of typhoons or hurricanes in certain seasonsC
steady winds in one direction for six months followed by wind reversal for the next six monthsD
steady winds generally from the southeast in the Southern Hemisphere
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单选题According to Buys Ballot’s law，when an observer in the Northern Hemisphere experiences a northwest wind，the center of low pressure is located to the（）.A
northeastB
west-southwestC
northwestD
south-southeast
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单选题Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.A
Expect to see cirrus clouds followed by altostratus and nimbostratus cloudsB
Alter course to remain in the navigable semicircleC
Prepare for gusty winds，thunderstorms，and a sudden wind shiftD
Expect clear weather，with steady winds and pressure，until the front passes
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单选题In the Northern Hemisphere，an area of counterclockwise wind circulation surrounded by higher pressure is a（）.A
lowB
highC
warm frontD
cold front
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单选题In an air conditioning system, low head pressure associated with a reciprocating compressor can be the result of （）A
broken valve springsB
tight drive beltsC
high line voltageD
air in the system
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单选题A decrease in barometric pressure is associated with all of the following except（）.A
rising warm airB
proximity to a low pressure areaC
inward spiraling circulationD
clear dry weather
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单选题When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.A
You should experience hot，moist，clear weatherB
The wind direction is generally easterlyC
The winds should be from the southwest at your locationD
The winds should be brisk
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单选题The direction of the surface wind is（）.A
directly from high pressure toward low pressureB
directly from low pressure toward high pressureC
from high pressure toward low pressure deflected by the earth's rotationD
from low pressure toward high pressure deflected by the earth's rotation
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单选题One cause of high head pressure occurring in a refrigeration system can be （）.A
insufficient cooling water flow to the condenserB
a low refrigerant charge in the systemC
the liquid valve is open too muchD
high evaporator superheat
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单选题What will a veering wind do（）.A
Change direction in a clockwise manner in the Northern HemisphereB
Circulate about a low pressure center in a counterclockwise manner in the Northern HemisphereC
Vary in strength constantly and unpredictablyD
Circulate about a high pressure center in a clockwise manner in the Southern Hemisphere
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单选题The greater the pressure difference between a high and a low pressure center，the（）.A
dryer the air mass will beB
cooler the temperature will beC
greater the force of the wind will beD
warmer the temperature will be
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单选题The purpose of the refrigeration system low pressure cutout switch is to （）A
protect the compressor from liquid flood backB
protect the compressor from low discharge pressureC
start and stop the compressor upon system demandD
start the compressor after a drop in the evaporator pressure
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单选题While troubleshooting a refrigeration system for low head pressure, liquid refrigerant flooding back from the evaporator is determined to be the causeIt may be necessary to （）.A
change the expansion valve adjustmentB
readjust the water regulating valve to increase the flow of waterC
purge air from the condenserD
clean the waterside of the condenser
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单选题If an observer in the Northern Hemisphere faces the surface wind，the center of low pressure is to his（）.A
left，slightly behind himB
right，slightly behind himC
left，slightly in front of himD
right，slightly in front of him
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单选题In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.A
NNWB
WSWC
ESED
SSW
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单选题The circulation around a low pressure center in the Northern Hemisphere is（）.A
counterclockwiseB
variableC
clockwiseD
anticyclonic
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单选题Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.A
prevailing westerliesB
horse latitudesC
trade windsD
subpolar low pressure belts
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单选题If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect（）.A
South to westB
South to eastC
West to northD
North to east
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单选题In the Southern Hemisphere winds in a low pressure system rotate in a（）.A
clockwise directionB
northeasterly directionC
northerly directionD
counterclockwise direction
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