ATC Basics Block 4 Exam Questions
And Answers.
Five layers of Earths Atmosphere in order? - Answer Troposphere, Stratosphere, Mesosphere,
Thermosphere, Exosphere
What level in the earths atmosphere contains almost all clouds and Precipitation? - Answer
Troposphere
An Increase in Temperature with altitude is abnormal and is defined as what? - Answer
Inversion
Average vertical depth of the Troposphere? - Answer 36,000 ft
Troposphere vertical depth at Equator, 50º N and S latitude, At poles? - Answer 65,000,
30,000, 20,000
The Stratosphere extends from where to where? - Answer From the Troposphere up to 31
Miles AGL
Hypothetical vertical distribution of the atmospheric temperature, pressure, and density? -
Answer Standard Atmosphere
What is Standard atmosphere used for? - Answer Altimeter calibrations, Performance
Calculations, design, weather
Standard sea level Pressure - Answer 29.92 inches of mercury
Standard Sea level temp - Answer 15ºC/59ºF
Lapse rate - Answer 2Cº 3.5º per 1,000 feet
A migrating stream of high speed winds present at high altitudes? - Answer Jet Stream
, Polar and subtropical streams are located where? - Answer Polar 30º and 60º lat, Subtropical
20º and 40º Lat
Jet stream flows which direction? and shifts? - Answer flows west to east, shifts north and
south due to weather and seasons
Jet streams often produce? - Answer Clear Air Turbulence (CAT)
Jet Streams cause aircraft to move at? - Answer different ground speeds
What layer of the atmosphere is stable and devoid of significant weather? - Answer
Stratosphere
Water vapor is? - Answer Gas form of water
Evaporation is? - Answer When liquid is changed to a vapor
Sublimation? - Answer When a solid is changed to a gas without the passing through the water
phase
Raw material for clouds and precipitation? - Answer Water vapor
Where is half of the water vapor found? - Answer below 6,500 AGL
Temperature depends directly on? - Answer Energy of molecular motion
Air's capacity to hold water vapor is directly related to its? - Answer Temperature
What can hold more water vapor, Warm or cold air? - Answer Warm
Maximum possible quantity of water vapor that a particle of air can hold at any given
temperature and pressure? - Answer Saturation
And Answers.
Five layers of Earths Atmosphere in order? - Answer Troposphere, Stratosphere, Mesosphere,
Thermosphere, Exosphere
What level in the earths atmosphere contains almost all clouds and Precipitation? - Answer
Troposphere
An Increase in Temperature with altitude is abnormal and is defined as what? - Answer
Inversion
Average vertical depth of the Troposphere? - Answer 36,000 ft
Troposphere vertical depth at Equator, 50º N and S latitude, At poles? - Answer 65,000,
30,000, 20,000
The Stratosphere extends from where to where? - Answer From the Troposphere up to 31
Miles AGL
Hypothetical vertical distribution of the atmospheric temperature, pressure, and density? -
Answer Standard Atmosphere
What is Standard atmosphere used for? - Answer Altimeter calibrations, Performance
Calculations, design, weather
Standard sea level Pressure - Answer 29.92 inches of mercury
Standard Sea level temp - Answer 15ºC/59ºF
Lapse rate - Answer 2Cº 3.5º per 1,000 feet
A migrating stream of high speed winds present at high altitudes? - Answer Jet Stream
, Polar and subtropical streams are located where? - Answer Polar 30º and 60º lat, Subtropical
20º and 40º Lat
Jet stream flows which direction? and shifts? - Answer flows west to east, shifts north and
south due to weather and seasons
Jet streams often produce? - Answer Clear Air Turbulence (CAT)
Jet Streams cause aircraft to move at? - Answer different ground speeds
What layer of the atmosphere is stable and devoid of significant weather? - Answer
Stratosphere
Water vapor is? - Answer Gas form of water
Evaporation is? - Answer When liquid is changed to a vapor
Sublimation? - Answer When a solid is changed to a gas without the passing through the water
phase
Raw material for clouds and precipitation? - Answer Water vapor
Where is half of the water vapor found? - Answer below 6,500 AGL
Temperature depends directly on? - Answer Energy of molecular motion
Air's capacity to hold water vapor is directly related to its? - Answer Temperature
What can hold more water vapor, Warm or cold air? - Answer Warm
Maximum possible quantity of water vapor that a particle of air can hold at any given
temperature and pressure? - Answer Saturation
