FAA Commercial Pilot Knowledge TEST
Questions
and Answers Verified Solutions Latest
Update
Question:
The wind system associated with a low-pressure area in the Northern Hemisphere is.
Answer:
a cyclone and is caused by Coriolis force
Question:
Why does the wind have a tendency to flow parallel to the isobars above the friction
level?.
Answer:
Coriolis for tends to counterbalance the horizontal pressure gradient.
Question:
What prevents air from flowing directly from high-pressure areas to low-pressure
areas?.
Answer:
Coriolis force
Question:
Which is true with respect to a high-or low-pressure system?.
Answer:
a high-pressure area or ridge is an area of descending air.
,Question:
Which is true regarding high-or low-pressure systems?.
Answer:
A low-pressure area or trough is an area of rising air.
Question:
When flying into a low-pressure area in the Northern Hemisphere, the wind direction
and velocity will be from the.
Answer:
left and increasing.
Question:
The general circulation of air associated with a high-pressure area in the Northern
Hemisphere is.
Answer:
outward, downward, and clockwise
Question:
Moisture is added to air by.
Answer:
evaporation and sublimation
Question:
When conditionally unstable air with high-moisture content and very warm surface
temperature is forecast, one can expect what type of weather?.
Answer:
Strong updrafts and cumulonimbus clouds
Question:
If clouds form as a result of very stable, moist air being forced to ascent a mountain
slope, the clouds will be.
Answer:
stratus type with little vertical development and little or no turbulence.
, Question:
What determines the structure or type of clouds which will form as a result of air being
forced to ascend?.
Answer:
The stability of the air before the lifting occurs
Question:
What are the characteristics of stable air?.
Answer:
Poor visibility, steady precipitation; stratus clouds.
Question:
Which would decrease the stability of an air mass?.
Answer:
Moist, warm air
Question:
From which measurement of the atmosphere can stability be determined?.
Answer:
The ambient lapse rate.
Question:
What type weather can one expect from moist, unstable air, and very warm surface
temperatures..
Answer:
Strong updrafts and cumulonimbus clouds.
Question:
Which would increase the stability of an air mass?.
Answer:
Cooling from below
Questions
and Answers Verified Solutions Latest
Update
Question:
The wind system associated with a low-pressure area in the Northern Hemisphere is.
Answer:
a cyclone and is caused by Coriolis force
Question:
Why does the wind have a tendency to flow parallel to the isobars above the friction
level?.
Answer:
Coriolis for tends to counterbalance the horizontal pressure gradient.
Question:
What prevents air from flowing directly from high-pressure areas to low-pressure
areas?.
Answer:
Coriolis force
Question:
Which is true with respect to a high-or low-pressure system?.
Answer:
a high-pressure area or ridge is an area of descending air.
,Question:
Which is true regarding high-or low-pressure systems?.
Answer:
A low-pressure area or trough is an area of rising air.
Question:
When flying into a low-pressure area in the Northern Hemisphere, the wind direction
and velocity will be from the.
Answer:
left and increasing.
Question:
The general circulation of air associated with a high-pressure area in the Northern
Hemisphere is.
Answer:
outward, downward, and clockwise
Question:
Moisture is added to air by.
Answer:
evaporation and sublimation
Question:
When conditionally unstable air with high-moisture content and very warm surface
temperature is forecast, one can expect what type of weather?.
Answer:
Strong updrafts and cumulonimbus clouds
Question:
If clouds form as a result of very stable, moist air being forced to ascent a mountain
slope, the clouds will be.
Answer:
stratus type with little vertical development and little or no turbulence.
, Question:
What determines the structure or type of clouds which will form as a result of air being
forced to ascend?.
Answer:
The stability of the air before the lifting occurs
Question:
What are the characteristics of stable air?.
Answer:
Poor visibility, steady precipitation; stratus clouds.
Question:
Which would decrease the stability of an air mass?.
Answer:
Moist, warm air
Question:
From which measurement of the atmosphere can stability be determined?.
Answer:
The ambient lapse rate.
Question:
What type weather can one expect from moist, unstable air, and very warm surface
temperatures..
Answer:
Strong updrafts and cumulonimbus clouds.
Question:
Which would increase the stability of an air mass?.
Answer:
Cooling from below
