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Private Ground School > Exan 2 > Flashcards

Exan 2 Flashcards

1
Q

What causes variations in altimeter setting between weather reporting points?

A. Unequal heating of the Earths surface.
B. Variation of terrain elevation.
C. Coriolis Force

A

A. Unequal heating if the earths surface.

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2
Q

The wind at 5,000 feet AGL is southeasterly while the surface wind in southerly. This difference in direction is primarily due to

A. Stronger pressure gradient at higher altitudes
B. Frictions between the wind and the surface.
C. Stringer Coriolis Force at the surface

A

B. Frictions between the wind and the surface.

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3
Q

Convective circulation patterns associated with sea breezes are caused by

A. Warm, dense she moving inland from over the water.
B. Water absorbing and radiating hear faster than the land.
C. Cool, dense air moving inland from over the water

A

C. Cool, dense air moving inland from over the water

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4
Q

Every physical process of weather is accompanied by, or is the result of, a

A. Movement of air.
B. Pressure differential
C. Heat exchange

A

C. Heat exchange

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5
Q

The most frequent type of ground or surface-based temperature inversion is that which produced by.

A. Terrestrial radiation on a clear, relatively still night.
B. Warm air being lifted rapidly aloft in the vicinity of mountainous terrain.
C. The movement of colder air under warm air, or the movement of warm air over cold air.

A

A. Terrestrial radiation on a clear, relatively still night.

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6
Q

What is meant by the term “dewpoint”?

A. The temperature at which condensation and evaporation are equal.
B. The temperature at which dew will always form.
C. The temperature to which air must be cooled to become saturated.

A

C. The temperature to which air must be cooled to become saturated.

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7
Q

Clouds, fog, or dew will always form when

A. Water vapor condenses
B. Water vapor is present
C. Relative humidity reaches 100 percent

A

A. Water vapor condenses

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8
Q

The presence of ice pellets at the surface is evidence that there

A. Are thunderstorms in the area.
B. Has been cold frontal passage.
C. Is a temperature inversion with freezing rain at a higher altitude.

A

C. Is a temperature inversion with freezing rain at a higher altitude.

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9
Q

What would decrease the stability of an air mass?

A. Warming from below.
B. Cooling from below
C. Decrease in water vapor

A

A. Warming from below.

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10
Q

Moist, stable air flowing upslope can be expect to

A. Produce stratus type clouds
B. Cause showers and thunderstorms
C. Develop connective turbulence

A

A. Produce stratus type clouds

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11
Q

What feature is associated with a temperature inversion?

A. A stable layer of air.
B. An unstable layer of air.
C. Chinook winds on mountain slopes

A

A. A stable layer of air.

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12
Q

At approximately what altitude above the surface would the pilot expect the base of cumuliform clouds if the surface air temperature is 82 degrees F and the dewpoint is 38 degrees F?

A. 9,000 feet AGL.
B. 10,000 feet AGL
C. 11,000 feet AGL

A

B. 10,000 feet AGL

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13
Q

What are the characteristics of a moist, unstable air mass?

A. Cumuliform clouds and showery precipitation.
B. Poor visibility and smooth air.
C. Stratified clouds and showery precipitation.

A

A. Cumuliform clouds and showery precipitation.

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14
Q

Clouds are divided into four families according to their

A. Outward shape
B. Height range
C. Composition

A

B. Height range

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15
Q

One weather phenomenon which will always occur when flying across a front is a change in the

A. Wind directions
B. Type of precipitation
C. Stability of the air mass

A

A. Wind direction

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16
Q

What types of fog depending upon wind in order to exist?

A. Radiation fog and ice fog.
B. Steam fog and ground fog
C. Advection fog and upslope fog.

A

C. Advection fog and upslope fog.

17
Q

For aviation purposes, ceiling is defined as the height above the Earth’s surface of the

A. Lowest reported obscurantism and highest layer of clouds reported as overcast
B. Lowest broken or overcast layer or vertical visibility into an obscuration.
C. Lowest layer of clouds reported as scattered, broken, or thin.

A

B. Lowest broken or overcast layer or vertical visibility into an obscuration.

18
Q

From which primary course should information be obtained regarding expected weather at the estimated time of arrival if your destination has not Terminal Forecast?

A. Low-Level Prognostic Chart
B. Weather Depiction Chart
C. Area Forecast

A

C. Area forecast

19
Q

To best determine general forecast weather conditions over several states, the pilot should refer to

A. Aviation Area Forecast
B. Weather Depiction Charts
C. Satellite weather pictures.

A

A. Aviation Area Forecast

20
Q

For a forecast of visual meteorological conditions(VMC), clouds, and general weather conditions over an area the size of several states, the pilot should refer to the

A. Weather depiction chart
B. Aviation area forecast
C. Radar summery chart.

A

B. Aviation area forecast

21
Q

What is indicated when a current CONVECTIVE SIGNET forecasts thunderstorms?

A. Moderate thunderstorms covering 30 percent of the area.
B. Moderate or severe turbulence.
C. Thunderstorms obscured by massive cloud layers

A

C. Thunderstorms obscured by massive cloud layers

22
Q

SIGMETS are issued as a warning of weather conditions hazardous to which aircraft?

A. Small aircraft only
B. Large aircraft only
C. All aircraft

A

C. All aircraft

23
Q

What are values are used for Winds Aloft Forecasts

A. Magnetic direction and knots.
B. Magnetic direction and miles per hour.
C. True direction and knots.

A

C. True direction and knots.

24
Q

When the term “light and variable” is used in reference to a Winds Aloft Forecast, the coded group and wind-speed is

A. 0000 and less than 7 knots
B. 9900 and less than 5 knots.
C. 9999 and less than 10 knots

A

B. 9900 and less than 5 knots.

25
Q

Radar weather reports are of special interest to pilots because they indicate

A. Large areas of low ceilings and fog.
B. Location of precipitation along with type, intensity, and trend.
C. Location of broken to overcast clouds

A

B. Location of precipitation along with type, intensity, and trend.

26
Q

What information is provided by the radar summary chart that is not shown on other weather charts?

A. Lines and cells of hazardous thunderstorms
B. ceilings and precipitation between reporting stations.
C. Types of clouds between reporting stations.

A

A. Lines and cells of hazardous thunderstorms

27
Q

What does heavy dashed line enclose on a radar summary chart?

A. Areas of haul 1/4 inch in diameter.
B. Areas of heavy rain.
C. Severe weather watch area

A

C. Severe weather watch area

28
Q

Individual forecasts for specific routes of flight can be obtained from which weather source?

A. Transcribed Weather Broadcast (TWEB’s)
B. Terminal Forecasts
C. Area Forecast

A

A. Transcribed Weather Broadcast (TWEB’s)

29
Q

When telephoning a weather briefing facility for preflight weather information, pilots should state

A. The aircraft identification or pilots name.
B. True airspeed
C. Fuel on board.

A

A. The aircraft identification or pilots name.

30
Q

To get a complete weather briefing for the planned flight, the pilot should request

A. A general briefing
B. An abbreviated briefing.
C. A standard briefing.

A

C. A standard briefing.

31
Q

Which type of weather briefing should a pilot request to supplement mass disseminated data?

A. An outlook briefing
B. A supplemental briefing
C. An abbreviated briefing

A

C. An abbreviated briefing

32
Q

A weather briefing that is provided when the information requested is 6 or more hours in advanced of the proposed departure time is.

A. An outlook briefing.
B. A forecast briefing
C. A prognostic briefing

A

A. An outlook briefing

33
Q

To obtain a continuous transcribed weather briefing, including winds aloft and route forecast for a cross-country flight, a pilot should monitor

A. VHF radio recurve tuned to an Automated Terminal Information Service (ATIS) frequency.
B. Regularly scheduled weather broadcast on a VIR frequency.
C. Transcribed whether Broadcast (TWEB) on an ASF or VIR received.

A

C. Transcribed whether Broadcast (TWEB) on an ASF or VIR received.

34
Q

How should contact be established with n En Route Flight Advisory Service (EFAS) station, and what service would be expected?

A. Call EFAS in 122.2 for routine weather, current reports in hazardous weather, and altimeter settings.
B. Call flight assistance on 122.5 for advisory service pertaining to severe weather
C. Call Flight Watch on 122.0 for information regarding actual weather and thunderstorm activity along proposed route

A

C. Call Flight Watch on 122.0 for information regarding actual weather and thunderstorm activity along proposed route

35
Q

Below FL 180, en route weather advisories should be obtained from an FSS on

A. 122.0 MHz
B. 122.1 MHz
C. 123.6 MHz

A

A. 122.0 MHz

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