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
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
相关考题：
The circulation around a low pressure center in the Northern Hemisphere is ______.A.counterclockwiseB.variableC.clockwiseD.Anticyclonic
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
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
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
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
In the Southern Hemisphere winds in a low pressure system rotate in a ______.A.clockwise directionB.northeasterly directionC.northerly directionD.counterclockwise direction
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
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
单选题The horse latitudes are characterized by（）.Aweak pressure gradients and light，variable windsBthe formation of typhoons or hurricanes in certain seasonsCsteady winds in one direction for six months followed by wind reversal for the next six monthsDsteady winds generally from the southeast in the Southern Hemisphere
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（）.AnortheastBwest-southwestCnorthwestDsouth-southeast
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（）.AExpect to see cirrus clouds followed by altostratus and nimbostratus cloudsBAlter course to remain in the navigable semicircleCPrepare for gusty winds，thunderstorms，and a sudden wind shiftDExpect clear weather，with steady winds and pressure，until the front passes
单选题In the Northern Hemisphere，an area of counterclockwise wind circulation surrounded by higher pressure is a（）.AlowBhighCwarm frontDcold front
单选题In an air conditioning system, low head pressure associated with a reciprocating compressor can be the result of （）Abroken valve springsBtight drive beltsChigh line voltageDair in the system
单选题A decrease in barometric pressure is associated with all of the following except（）.Arising warm airBproximity to a low pressure areaCinward spiraling circulationDclear dry weather
单选题When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.AYou should experience hot，moist，clear weatherBThe wind direction is generally easterlyCThe winds should be from the southwest at your locationDThe winds should be brisk
单选题The direction of the surface wind is（）.Adirectly from high pressure toward low pressureBdirectly from low pressure toward high pressureCfrom high pressure toward low pressure deflected by the earth's rotationDfrom low pressure toward high pressure deflected by the earth's rotation
单选题One cause of high head pressure occurring in a refrigeration system can be （）.Ainsufficient cooling water flow to the condenserBa low refrigerant charge in the systemCthe liquid valve is open too muchDhigh evaporator superheat
单选题What will a veering wind do（）.AChange direction in a clockwise manner in the Northern HemisphereBCirculate about a low pressure center in a counterclockwise manner in the Northern HemisphereCVary in strength constantly and unpredictablyDCirculate about a high pressure center in a clockwise manner in the Southern Hemisphere
单选题The greater the pressure difference between a high and a low pressure center，the（）.Adryer the air mass will beBcooler the temperature will beCgreater the force of the wind will beDwarmer the temperature will be
单选题The purpose of the refrigeration system low pressure cutout switch is to （）Aprotect the compressor from liquid flood backBprotect the compressor from low discharge pressureCstart and stop the compressor upon system demandDstart the compressor after a drop in the evaporator pressure
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 （）.Achange the expansion valve adjustmentBreadjust the water regulating valve to increase the flow of waterCpurge air from the condenserDclean the waterside of the condenser
单选题If an observer in the Northern Hemisphere faces the surface wind，the center of low pressure is to his（）.Aleft，slightly behind himBright，slightly behind himCleft，slightly in front of himDright，slightly in front of him
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（）.ANNWBWSWCESEDSSW
单选题The circulation around a low pressure center in the Northern Hemisphere is（）.AcounterclockwiseBvariableCclockwiseDanticyclonic
单选题Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.Aprevailing westerliesBhorse latitudesCtrade windsDsubpolar low pressure belts
单选题If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect（）.ASouth to westBSouth to eastCWest to northDNorth to east
单选题In the Southern Hemisphere winds in a low pressure system rotate in a（）.Aclockwise directionBnortheasterly directionCnortherly directionDcounterclockwise direction