Buoyant Force and Atmospheric Density

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

How do the effects of turbulence on rotary wing aircraft change as airspeed increases?

  • Stay the same
  • No effect
  • Decrease
  • Increase (correct)

What effect does decreased lift velocity have on turbulence for rotary wing aircraft?

  • Decreases turbulence (correct)
  • Increases turbulence
  • No effect on turbulence
  • Stabilizes turbulence

How does increased rotor blade arc impact turbulence for rotary wing aircraft?

  • Reduces turbulence
  • Stabilizes turbulence
  • Increases turbulence (correct)
  • No impact on turbulence

In general, what happens to the effects of turbulence on rotary wing aircraft as aircraft weight decreases?

<p>Effects increase (A)</p> Signup and view all the answers

Which type of aircraft listed falls under the 'Military Identifier AH-1' category in terms of turbulence?

<p>UH-1 Iroquois (Huey) (D)</p> Signup and view all the answers

Which aircraft has the potential to experience significant turbulence based on its military identifier?

<p>H64 Mescalero (C)</p> Signup and view all the answers

What determines whether an air parcel will sink or rise in the atmosphere?

<p>Temperature (A)</p> Signup and view all the answers

What is the term used to describe the altitude where moist, rising air cools beyond its dew point?

<p>Condensation level (B)</p> Signup and view all the answers

What happens when a cloud continues to grow vertically above the lifted condensation level in an unstable atmosphere?

<p>It produces precipitation (D)</p> Signup and view all the answers

What does the equilibrium level have in common with the temperature of an air parcel?

<p>Same temperature (B)</p> Signup and view all the answers

How are clouds fundamentally formed according to the text?

<p>By moist, rising air cooling beyond its dew point (C)</p> Signup and view all the answers

What gives aviators clues about potentially dangerous updrafts and downdrafts in the atmosphere?

<p>Structure of clouds (D)</p> Signup and view all the answers

Where can light-or-greater turbulence always be anticipated according to the text?

<p>During cold air advection (A)</p> Signup and view all the answers

What type of front is mentioned as a location for turbulence in the text?

<p>Warm front (C)</p> Signup and view all the answers

What type of geographical feature is associated with larger vertical shear?

<p>Mountainous regions (B)</p> Signup and view all the answers

In what atmospheric condition can tilted troughs contribute to turbulence according to the text?

<p>Low-pressure systems (B)</p> Signup and view all the answers

What type of flow is mentioned as contributing to turbulence in the text?

<p>Diffluent flow (C)</p> Signup and view all the answers

What type of curvature can lead to turbulence?

<p>Anticyclonic curvature (B)</p> Signup and view all the answers

How are cirrostratus clouds different from haze?

<p>Cirrostratus clouds are whiter and brighter than haze. (D)</p> Signup and view all the answers

How are cirrocumulus clouds different from altocumulus or altostratus clouds?

<p>Cirrocumulus clouds can resemble fish scales, which is not seen in altocumulus or altostratus. (C)</p> Signup and view all the answers

What is the primary function of the Worldwide Merged Cloud Analysis (WWMCA)?

<p>To offer an hourly analysis of cloud distribution based on satellite images. (C)</p> Signup and view all the answers

What products are available on the AFWWEBS platform related to the Worldwide Merged Cloud Analysis (WWMCA)?

<p>Cloud Mask, Total Cloud Cover, Cloud Top Height, and Cloud Free Plot. (A)</p> Signup and view all the answers

How does the size of individual cloud elements in cirrocumulus clouds compare to those in altocumulus and altostratus clouds?

<p>Altocumulus and altostratus cloud elements are larger than those in cirrocumulus clouds. (C)</p> Signup and view all the answers

In what categories are cirrus clouds like cirrostratus and cirrocumulus classified?

<p>H1 through H4 for cirrus, H5 through H8 for cirrostratus, and H9 for cirrocumulus. (D)</p> Signup and view all the answers

What is the physical limit to icing?

<p>-40° C (B)</p> Signup and view all the answers

What are supercooled large drops (SLD)?

<p>Large droplets persisting in subfreezing temperatures (A)</p> Signup and view all the answers

How does droplet size influence the collection efficiency of drops on the airframe?

<p>Small droplets tend to accumulate near the leading edge of the wing (A)</p> Signup and view all the answers

What altitude range is mentioned where 50% of all icing cases occur?

<p>5000-13,000 feet (B)</p> Signup and view all the answers

What is rime ice characterized by?

<p>Rough surface (A)</p> Signup and view all the answers

How does altitude impact icing conditions according to the text?

<p>Optimal icing conditions are found in a narrow band of the atmosphere (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Related Documents

More Like This

Buoyant Force and Immersed Objects Quiz
7 questions
Buoyancy and Buoyant Force
15 questions

Buoyancy and Buoyant Force

AccomplishedBixbite avatar
AccomplishedBixbite
Buoyant Force and Floating Conditions
5 questions
Use Quizgecko on...
Browser
Browser