WX 301 UPDATED ACTUAL Questions
and CORRECT Answers
The average concentrations of O2 and N2 are about - CORRECT ANSWER✔✔- 21% and
78%
Average sea level pressure is about - CORRECT ANSWER✔✔- all the above
500 mb is equal to __ Pa - CORRECT ANSWER✔✔- 50,000
Which of the following does NOT occur when a column of air is heated - CORRECT
ANSWER✔✔- pressure decreases with height at a faster rate
The height above sea level at which the pressure is 700 mb is about - CORRECT
ANSWER✔✔- 10,000 ft
The pressure at 30,000 ft is about __ mb - CORRECT ANSWER✔✔- 300
The station level pressure for PHX is 28.9 in Hg at an elevation of 1200 ft. The MSL pressure
there is about - CORRECT ANSWER✔✔- 30.1 in Hg
Cooling air at constant pressure will - CORRECT ANSWER✔✔- increase density
Heating a parcel or air at constant pressure will make it __ dense than the surrounding air.
The parcel will then __ - CORRECT ANSWER✔✔- less, rise
If I heat air in a closed container the pressure inside the container will - CORRECT
ANSWER✔✔- rise
In the ISA (Standard Atmosphere), the lapse rate in the troposphere is closest to - CORRECT
ANSWER✔✔- 2ºC per 1,000 ft
, Pressure decreases with height faster in a __ column - CORRECT ANSWER✔✔- cold
A warm column of air has __ than normal pressure aloft and __ than normal pressure near the
surface - CORRECT ANSWER✔✔- higher, lower
If I am flying toward an area that is warmer than normal, my altimeter will read low -
CORRECT ANSWER✔✔- 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 - CORRECT ANSWER✔✔- 300 feet 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 - CORRECT ANSWER✔✔- higher, more
An isothermal layer is a layer in which ___ - CORRECT ANSWER✔✔- temperature is
constant with height
An inversion layer where the temperature __ with height. An inversion has a __ lapse rate -
CORRECT ANSWER✔✔- increases, negative
In a stable atmosphere, a parcel pushed up will be __ than the surrounding air and will ___ -
CORRECT ANSWER✔✔- Cooler, sink back to original level
Which is more stable? - CORRECT ANSWER✔✔- stratosphere
In the tropics the stratosphere is __ than in middle latitudes - CORRECT ANSWER✔✔-
colder
Flying conditions in the stratosphere are usually - CORRECT ANSWER✔✔- smooth and
clear
Compared with the tropics, the Arctic has a __tropopause and a __ stratosphere - CORRECT
ANSWER✔✔- lower, warmer
and CORRECT Answers
The average concentrations of O2 and N2 are about - CORRECT ANSWER✔✔- 21% and
78%
Average sea level pressure is about - CORRECT ANSWER✔✔- all the above
500 mb is equal to __ Pa - CORRECT ANSWER✔✔- 50,000
Which of the following does NOT occur when a column of air is heated - CORRECT
ANSWER✔✔- pressure decreases with height at a faster rate
The height above sea level at which the pressure is 700 mb is about - CORRECT
ANSWER✔✔- 10,000 ft
The pressure at 30,000 ft is about __ mb - CORRECT ANSWER✔✔- 300
The station level pressure for PHX is 28.9 in Hg at an elevation of 1200 ft. The MSL pressure
there is about - CORRECT ANSWER✔✔- 30.1 in Hg
Cooling air at constant pressure will - CORRECT ANSWER✔✔- increase density
Heating a parcel or air at constant pressure will make it __ dense than the surrounding air.
The parcel will then __ - CORRECT ANSWER✔✔- less, rise
If I heat air in a closed container the pressure inside the container will - CORRECT
ANSWER✔✔- rise
In the ISA (Standard Atmosphere), the lapse rate in the troposphere is closest to - CORRECT
ANSWER✔✔- 2ºC per 1,000 ft
, Pressure decreases with height faster in a __ column - CORRECT ANSWER✔✔- cold
A warm column of air has __ than normal pressure aloft and __ than normal pressure near the
surface - CORRECT ANSWER✔✔- higher, lower
If I am flying toward an area that is warmer than normal, my altimeter will read low -
CORRECT ANSWER✔✔- 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 - CORRECT ANSWER✔✔- 300 feet 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 - CORRECT ANSWER✔✔- higher, more
An isothermal layer is a layer in which ___ - CORRECT ANSWER✔✔- temperature is
constant with height
An inversion layer where the temperature __ with height. An inversion has a __ lapse rate -
CORRECT ANSWER✔✔- increases, negative
In a stable atmosphere, a parcel pushed up will be __ than the surrounding air and will ___ -
CORRECT ANSWER✔✔- Cooler, sink back to original level
Which is more stable? - CORRECT ANSWER✔✔- stratosphere
In the tropics the stratosphere is __ than in middle latitudes - CORRECT ANSWER✔✔-
colder
Flying conditions in the stratosphere are usually - CORRECT ANSWER✔✔- smooth and
clear
Compared with the tropics, the Arctic has a __tropopause and a __ stratosphere - CORRECT
ANSWER✔✔- lower, warmer
