AVIA340 QUIZ1 copy

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School

Liberty University *

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Course

340

Subject

Geography

Date

Dec 6, 2023

Type

docx

Pages

Uploaded by JusticeRiverHamster15

Question 1 2 / 2 pts Stable air suppresses vertical motion while unstable air enhances it. True False Question 2 2 / 2 pts Frontal systems point in the opposite direction of frontal movement. True False Question 3 2 / 2 pts Nimbus comes from the Latin word meaning _______. rain unstable layer lightning Question 4 2 / 2 pts What is the standard atmosphere value at sea level commonly used for U.S. Aviation? 1013.2 hPa

29.92 inHg 1013.2 mb 14.7 psi Incorrect Question 5 0 / 2 pts Local winds include: sea breeze land effect jetstream both a and b Question 6 2 / 2 pts A _____ is an elongated area of relatively low atmospheric pressure. low pressure trough ridge high pressure Question 7

2 / 2 pts Wind cannot change the stability of a column of air in the atmosphere. ( True False Incorrect Question 8 0 / 2 pts ____________ occur when there is a shallow layer aloft with above freezing temperatures and with a deep layer of below freezing air based at the surface. snow ice pellets rain freezing rain Incorrect Question 9 0 / 2 pts The "pause" in concentric layers is where the maximum changes in thermal characteristics, chemical composition, movement, and density occur. True False Incorrect Question 10 0 / 2 pts Diurnal temperature variation is the property of the ambient air that either enhances or suppresses vertical motion of air parcels and determines which type of clouds and precipitation a pilot will encounter.

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