Met 2

43問 • 1年前

Via

通報

問題一覧

Hazardous wind shear is commonly encountered

in areas of temperature inversion and near thunderstorms.

What is the correct procedure to recover from roll upset?

Lower the angle of attack and adjust the power for a controlled descent.

The most severe weather conditions, such as destructive winds, heavy hail, and tornadoes, are generally associated with

squall lines.

What minimum distance should exist between intense radar echoes before any attempt is made to fly between these thunderstorms?

40 miles.

Which statement is true regarding squall lines?

They are nonfrontal and often contain severe, steady-state thunderstorms.

If airborne radar is indicating an extremely intense thunderstorm echo, this thunderstorm, should be avoided by a distance of at least

20 miles.

What type weather can one expect from moist, unstable air, and very warm surface temperature?

Strong updrafts and cumulonimbus clouds.

When conditionally unstable air with high-moisture content and very warm surface temperature is forecast, one can expect what type of weather?

Strong updrafts and cumulonimbus clouds.

What wind conditions would you anticipate when squalls are reported at your destination?

Sudden increase in windspeed of at least 16 knots to a sustained speed of 22 knots or more for at least 1 minute.

During life cycle of a thunderstorm, which stage is characterized predominately by downdrafts?

Dissipating.

Consider the following statements regarding hail as an in-flight hazard and select those which are correct. 1. There is a correlation between the visual appearance of thunderstorms and the amount of hail within them. 2. Large hail is most commonly found in thunderstorms which have strong updrafts and large liquid water content. 3. Hail may be found at any level within a thunderstorm but not in the clear air outside of the storm cloud. 4. Hail is usually produced during the mature stage of the thunderstorm's lifespan. 5. Hailstones may be thrown upward and outward from a storm cloud for several miles. The true statements are:

2, 4, and 5.

Which statement is true regarding pneumatic ice protections systems?

They should be activated at the first sign of icing.

You are avoiding a thunderstorm that is in your flightpah. You are over 20 miles from the cell. However, you are under the anvil of the cell. Is this a hazard?

Yes, hail can be discharged from the anvil.

Convective currents are most active on warm summer afternoons when winds are

light.

Which are characteristics of a cold air mass moving over a warm surface?

Cumuliform clouds, turbulence, and good visibility.

The jet stream and associated clear air turbulence can sometimes be visually identified in flight by

long streaks of cirrus clouds.

A moist, unstable air mass is characterized by

cumuliform clouds and showery precipitation.

A common location of clear air turbulence is

in an upper trough on the polar side of a jet stream.

Which statement is true concerning the hazards of hail?

Hailstones may be encountered in clear air several miles from a thunderstorm.

What visible signs indicate extreme turbulence in thunderstorms?

Cumulonimbus clouds, very frequent lightning, and roll clouds.

What is the approximate base of the cumulus clouds if the temperature at 2,000 feet MSL is 10°C and the dewpoint us 1°C?

6,000 feet MSL.

If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which hazardous atmospheric phenomenon might be expected on the landing approach?

Wind-shear turbulence.

An aircraft that encounters a headwind of 45 knots, within a microburst, may expect a total shear across the microburst of

90 knots.

Fair weather cumulus clouds often indicate

turbulence at and below the cloud level.

Select the true statement pertaining to the life cycle of a thunderstorm.

The beginning of rain at the Earth's surface indicates the mature stage of the thunderstorm.

Hail is most likely to be associated with

cumulonimbus clouds.

A pilot reporting turbulence that momentarily causes slight, erratic changes in altitude and/or attitude should report it as

light turbulence.

Cumulus clouds often indicate

possible turbulence.

The best technique for using deicing boots is to

use them immediately upon visual detection of any ice.

Turbulence that is encountered above 15,000 feet AGL not associated with cumuliform cloudiness, including thunderstorms, should be reported as

clear air turbulence.

The presence of standing lenticular altocumulus clouds is a good indication of

very strong turbulence.

The minimum vertical wind shear value critical for probable moderate or greater turbulence is

6 knots per 1,000 feet.

The greatest threats to an aircraft operating in the vicinity of thunderstorms are:

hail and turbulence.

When operating an airplane equipped with deicing boots, when is the appropriate time to turn them on?

As soon as the ice starts to develop on the boot or per the manufacturer's recommendations.

Of the following, which is accurate regarding turbulence associated with thunderstorms?

Outside the cloud, shear turbulence can be encountered 20 miles laterally from a severe storm.

What feature is normally associated with the cumulus stage of a thunderstorm?

Continuous updraft.

In severe icing conditions, accumulation of ice on the wing aft of the deicing boot but in front of the aileron may cause

roll upset.

Thunderstorms identified as severe or giving an intense radar echo should be avoided by what distance?

At least 20 miles.

Virga is best describe as

streamers of precipitation trailing beneath clouds which evaporates before reaching the ground.

Which combination of weather-producing variables would likely result in cumuliform-type clouds, good visibility, and showery rain?

Unstable, moist air and orographic lifting.

Which weather phenomenon signals the beginning of the mature stage of a thunderstorm?

The start of rain.

Which cloud types would indicate convective turbulence?

Towering cumulus clouds.

When may low-level wind shear be expected?

In areas of passing frontal systems, thunderstorms, temperature inversions, and strong upper level winds.

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AGK 2

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問題一覧

Hazardous wind shear is commonly encountered

in areas of temperature inversion and near thunderstorms.

What is the correct procedure to recover from roll upset?

Lower the angle of attack and adjust the power for a controlled descent.

The most severe weather conditions, such as destructive winds, heavy hail, and tornadoes, are generally associated with

squall lines.

What minimum distance should exist between intense radar echoes before any attempt is made to fly between these thunderstorms?

40 miles.

Which statement is true regarding squall lines?

They are nonfrontal and often contain severe, steady-state thunderstorms.

If airborne radar is indicating an extremely intense thunderstorm echo, this thunderstorm, should be avoided by a distance of at least

20 miles.

What type weather can one expect from moist, unstable air, and very warm surface temperature?

Strong updrafts and cumulonimbus clouds.

When conditionally unstable air with high-moisture content and very warm surface temperature is forecast, one can expect what type of weather?

Strong updrafts and cumulonimbus clouds.

What wind conditions would you anticipate when squalls are reported at your destination?

Sudden increase in windspeed of at least 16 knots to a sustained speed of 22 knots or more for at least 1 minute.

During life cycle of a thunderstorm, which stage is characterized predominately by downdrafts?

Dissipating.

2, 4, and 5.

Which statement is true regarding pneumatic ice protections systems?

They should be activated at the first sign of icing.

You are avoiding a thunderstorm that is in your flightpah. You are over 20 miles from the cell. However, you are under the anvil of the cell. Is this a hazard?

Yes, hail can be discharged from the anvil.

Convective currents are most active on warm summer afternoons when winds are

light.

Which are characteristics of a cold air mass moving over a warm surface?

Cumuliform clouds, turbulence, and good visibility.

The jet stream and associated clear air turbulence can sometimes be visually identified in flight by

long streaks of cirrus clouds.

A moist, unstable air mass is characterized by

cumuliform clouds and showery precipitation.

A common location of clear air turbulence is

in an upper trough on the polar side of a jet stream.

Which statement is true concerning the hazards of hail?

Hailstones may be encountered in clear air several miles from a thunderstorm.

What visible signs indicate extreme turbulence in thunderstorms?

Cumulonimbus clouds, very frequent lightning, and roll clouds.

What is the approximate base of the cumulus clouds if the temperature at 2,000 feet MSL is 10°C and the dewpoint us 1°C?

6,000 feet MSL.

If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which hazardous atmospheric phenomenon might be expected on the landing approach?

Wind-shear turbulence.

An aircraft that encounters a headwind of 45 knots, within a microburst, may expect a total shear across the microburst of

90 knots.

Fair weather cumulus clouds often indicate

turbulence at and below the cloud level.

Select the true statement pertaining to the life cycle of a thunderstorm.

The beginning of rain at the Earth's surface indicates the mature stage of the thunderstorm.

Hail is most likely to be associated with

cumulonimbus clouds.

A pilot reporting turbulence that momentarily causes slight, erratic changes in altitude and/or attitude should report it as

light turbulence.

Cumulus clouds often indicate

possible turbulence.

The best technique for using deicing boots is to

use them immediately upon visual detection of any ice.

Turbulence that is encountered above 15,000 feet AGL not associated with cumuliform cloudiness, including thunderstorms, should be reported as

clear air turbulence.

The presence of standing lenticular altocumulus clouds is a good indication of

very strong turbulence.

The minimum vertical wind shear value critical for probable moderate or greater turbulence is

6 knots per 1,000 feet.

The greatest threats to an aircraft operating in the vicinity of thunderstorms are:

hail and turbulence.

When operating an airplane equipped with deicing boots, when is the appropriate time to turn them on?

As soon as the ice starts to develop on the boot or per the manufacturer's recommendations.

Of the following, which is accurate regarding turbulence associated with thunderstorms?

Outside the cloud, shear turbulence can be encountered 20 miles laterally from a severe storm.

What feature is normally associated with the cumulus stage of a thunderstorm?

Continuous updraft.

In severe icing conditions, accumulation of ice on the wing aft of the deicing boot but in front of the aileron may cause

roll upset.

Thunderstorms identified as severe or giving an intense radar echo should be avoided by what distance?

At least 20 miles.

Virga is best describe as

streamers of precipitation trailing beneath clouds which evaporates before reaching the ground.

Which combination of weather-producing variables would likely result in cumuliform-type clouds, good visibility, and showery rain?

Unstable, moist air and orographic lifting.

Which weather phenomenon signals the beginning of the mature stage of a thunderstorm?

The start of rain.

Which cloud types would indicate convective turbulence?

Towering cumulus clouds.

When may low-level wind shear be expected?

In areas of passing frontal systems, thunderstorms, temperature inversions, and strong upper level winds.