FREE AND STUDY GAMES ABOUT WEATHER FORMATION

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FREE AND STUDY GAMES ABOUT WEATHER FORMATION

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -29 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: The average lapse rate in the troposphere is

Answer:

2.0°C per 1,000 feet.

Question 2: Steady precipitation preceding a front is an indication of

Answer:

stratiform clouds with little or no turbulence.

Question 3: Clouds, fog, or dew will always form when

Answer:

water vapor condenses.Question 4: Some of the characteristics you would expect to see with an unstable air mass are

Answer:

turbulence and good surface visibility

Question 5: Which weather conditions should be expected beneath a low-level temperature inversion layer when the relative humidity is high?

Answer:

Smooth air, poor visibility, fog, haze, or low clouds.

Question 6: What are the characteristics of an unstable atmosphere?

Answer:

What are the characteristics of an unstable atmosphere?Question 7: At approximately what altitude above the surface would you expect the base of cumuliform clouds if the surface air temperature is 33°C and the dewpoint is 15°C?

Answer:

7,200 feet AGL.

Question 8: What are characteristics of a moist, unstable air mass?

Answer:

Turbulence and showery precipitation.

Question 9: Which clouds have the greatest turbulence?

Answer:

Cumulonimbus

Question 10: What would decrease the stability of an air mass?

Answer:

Warming from below.

Question 11: The boundary between two different air masses is referred to as a

Answer:

front Question 12: A weather report indicates you can expect a low-level temperature inversion with high relative humidity. What weather conditions would you expect?

Answer:

Smooth air, poor visibility, fog, haze, or low clouds.

Question 13: One weather phenomenon which will always occur when flying across a front is a change in the

Answer:

wind direction.

Question 14: A characteristic you would expect to see with a stable air mass is

Answer:

poor surface visibility.Question 15: What measurement can be used to determine the stability of the atmosphere?

Answer:

Actual lapse rate.Question 16: The ratio of the existing water vapor in the air, as compared to the maximum amount that could exist at a given temperature, is called

Answer:

relative humidity.Question 17: The passage of which type of front poses the highest risk to small UA operations?

Answer:

Cold front Question 18: When there is a temperature inversion, you would expect to experience

Answer:

An increase in temperature as altitude is increased.

Question 19: What is meant by the term "dewpoint"?

Answer:

The temperature to which air must be cooled to become saturated.Question 20: One of the most easily recognized discontinuities across a front is

Answer:

a change in temperature.

Question 21: Which will produce the least favorable conditions for the operation of a small UA?

Answer:

Warm, moist air.Question 22: At approximately what altitude above the surface would you expect the base of cumuliform clouds if the surface air temperature is 77°F and the dewpoint is 53°F?

Answer:

5,500 feet AGL.Question 23: Every physical process of weather is accompanied by, or is the result of

Answer:

heat exchange.Question 24: If the temperature/dewpoint spread is small and decreasing, and the temperature is 62° F, what type weather is most likely to develop?

Answer:

Fog or low clouds.

Question 25: In what part of the atmosphere does most weather occur?

Answer:

Troposphere.Question 26: What causes variations in altimeter settings between weather reporting points?

Answer:

Unequal heating of the Earth's surface

Question 27: The suffix "nimbus," used in naming clouds, means

Answer:

a rain cloud.

Question 28: What is the primary cause of all changes in the Earth's weather?

Answer:

variation of solar energy received by the Earth's regions.