In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.
A.south to east
B.north to west
C.north to east
D.south to west
第1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 west
B.South to east
C.West to north
D.North to east
第2题:
In the Northern Hemisphere a wind is said to veer when the wind ______.
A.changes direction clockwise, as from north to east, etc
B.changes direction counterclockwise, as from south to east, etc
C.changes direction violently and erratically
D.remains constant in direction and speed
第3题:
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 west
B.South to east
C.North to west
D.North to east
第4题:
The low may suddenly deepen,and the cyclone intensify and pick up speed
The left semicircle may become the dangerous semicircle
The low and the high may merge and cancel out the weather characteristics of each
The high may force the cyclone to reverse its track
第5题:
the dangerous semicircle
the eye (center) of the storm
that half of the storm lying to the right of the storm's path
that half of the storm lying to the left of the storm's path
第6题:
the compressor suction pressure is not too high
all air is purged from the pump and charging fittings
the high pressure cutout switch is held open to prevent accidental starting
the condenser is completely shutdown first
第7题:
Changes direction clockwise,as from north to east,etc
Changes direction violently and erratically
Remains constant in direction and speed
Changes direction counterclockwise,as from south to east,etc
第8题:
viscosity will decrease
volume will increase
volume will decrease
pour point will be reduced
第9题:
Change direction in a clockwise manner in the Northern Hemisphere
Circulate about a low pressure center in a counterclockwise manner in the Northern Hemisphere
Vary in strength constantly and unpredictably
Circulate about a high pressure center in a clockwise manner in the Southern Hemisphere
第10题:
left,slightly behind him
right,slightly behind him
left,slightly in front of him
right,slightly in front of him
第11题:
counterclockwise
variable
clockwise
anticyclonic
第12题:
clockwise direction
northeasterly direction
northerly direction
counterclockwise direction
第13题:
If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast
第14题:
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
第15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.NNW
B.WSW
C.ESE
D.SSW
第16题:
northeast
west-southwest
northwest
south-southeast
第17题:
low
high
warm front
cold front
第18题:
You should experience hot,moist,clear weather
The wind direction is generally easterly
The winds should be from the southwest at your location
The winds should be brisk
第19题:
cold front has passed
low pressure center is approaching
stationary front exists
high pressure center has passed
第20题:
East to northeast
East to southeast
North to northwest
South to southeast
第21题:
geostrophic winds
doldrums
horse latitudes
prevailing westerlies
第22题:
NNW
WSW
ESE
SSW
第23题:
South to west
South to east
West to north
North to east