WX 301 Exam 1 Questions and
Answers 100% Pass
The average concentration of 02 and N2 are about - ✔✔21% and 78%
Average sea level pressure is about - ✔✔1013 mb
14 lb per square inch
29.92 in Hg
When a column of air is heated the following occur: - ✔✔- the air molecules move faster
on average
- the average density decreases
- the number of molecules per volume decreases
The station level pressure for PHX is 28.9 in Hg at an elevation of 1200 ft. The MSL
pressure is about - ✔✔30.1 in Hg
Cooling air at constant pressure will - ✔✔increase density
Heating a parcel or air at constant pressure will make it ___ dense than the surrounding
air. The parcel will then ___. - ✔✔less, rise
If I heat air in a closed container the pressure inside the container will - ✔✔rise
In the ISA, the lapse rate in the troposphere is closest to - ✔✔2 degrees Celsius per 1,000
ft
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 1
, Pressure decreases with height faster in a ___ column - ✔✔cold
A warm column of air has ___ than normal pressure aloft and ___ than normal pressure
near the surface - ✔✔higher, lower
If i am flying toward an area that is warmer than normal, my altimeter will read low -
✔✔True
If my altimeter is set to 30.10 in Hg and the MSL pressure is actually 29.80 in Hg, my
actual altitude is ___ than indicated - ✔✔300 ft lower
On a very hot day, the density altitude will be ___ than normal and I will need ___
runway to become airborne at normal takeoff speed - ✔✔higher, more
An isothermal layer is a layer in which ___ - ✔✔temperature is constant with height
An inversion layer where the temperature ___ with height. An inversion has a ___ lapse
rate. - ✔✔increases, negative
In a stable atmosphere, a parcel pushed up will be ___ than the surrounding air and will
___. - ✔✔Cooler, sink back to original level
Which is more stable?
Troposphere or Stratosphere - ✔✔Stratosphere
In the tropics the stratosphere is ___ than in middle latitudes - ✔✔colder
Flying conditions in the stratosphere are usually - ✔✔smooth and clear
Compared with the tropics, the Arctic has a ___ tropopause and a ___ stratosphere -
✔✔lower, warmer
Flying at 35,000 ft over Quebec in winter, I am most likely in the - ✔✔stratosphere
On average, strongest winds are found at - ✔✔the tropopause
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 2
Answers 100% Pass
The average concentration of 02 and N2 are about - ✔✔21% and 78%
Average sea level pressure is about - ✔✔1013 mb
14 lb per square inch
29.92 in Hg
When a column of air is heated the following occur: - ✔✔- the air molecules move faster
on average
- the average density decreases
- the number of molecules per volume decreases
The station level pressure for PHX is 28.9 in Hg at an elevation of 1200 ft. The MSL
pressure is about - ✔✔30.1 in Hg
Cooling air at constant pressure will - ✔✔increase density
Heating a parcel or air at constant pressure will make it ___ dense than the surrounding
air. The parcel will then ___. - ✔✔less, rise
If I heat air in a closed container the pressure inside the container will - ✔✔rise
In the ISA, the lapse rate in the troposphere is closest to - ✔✔2 degrees Celsius per 1,000
ft
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 1
, Pressure decreases with height faster in a ___ column - ✔✔cold
A warm column of air has ___ than normal pressure aloft and ___ than normal pressure
near the surface - ✔✔higher, lower
If i am flying toward an area that is warmer than normal, my altimeter will read low -
✔✔True
If my altimeter is set to 30.10 in Hg and the MSL pressure is actually 29.80 in Hg, my
actual altitude is ___ than indicated - ✔✔300 ft lower
On a very hot day, the density altitude will be ___ than normal and I will need ___
runway to become airborne at normal takeoff speed - ✔✔higher, more
An isothermal layer is a layer in which ___ - ✔✔temperature is constant with height
An inversion layer where the temperature ___ with height. An inversion has a ___ lapse
rate. - ✔✔increases, negative
In a stable atmosphere, a parcel pushed up will be ___ than the surrounding air and will
___. - ✔✔Cooler, sink back to original level
Which is more stable?
Troposphere or Stratosphere - ✔✔Stratosphere
In the tropics the stratosphere is ___ than in middle latitudes - ✔✔colder
Flying conditions in the stratosphere are usually - ✔✔smooth and clear
Compared with the tropics, the Arctic has a ___ tropopause and a ___ stratosphere -
✔✔lower, warmer
Flying at 35,000 ft over Quebec in winter, I am most likely in the - ✔✔stratosphere
On average, strongest winds are found at - ✔✔the tropopause
COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED 2
