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|  AVIATION WEATHER
CHAPTER ONE
6.
A condition where the air temperature aloft is higher than that of the lower atmosphere is
generally referred to as____________________.
a.
a low-pressure area
b.
turbulence
c.
a temperature inversion
d.
7.
Which one of the following best describes the change in atmospheric pressure with
increasing altitude?
a.
Increases
b.
Decreases
c.
May increase or decrease, depending on weather conditions
d.
Remains constant
8.
Which one of the following correctly lists the standard day conditions of sea level pressure,
temperature, pressure lapse rate, and temperature lapse rate?
a.
30.00 in-Hg, 15C, 1.5 in-Hg/1000 feet, 3.0C/1000 feet
b.
29.92 in-Hg, 59C, 34 in-Hg/100 feet, 5C/100 feet
c.
29.92 in-Hg, 15C, 1 in-Hg/1000 feet, 2C/1000 feet
d.
30.02 in-Hg, 20C, 2 in-Hg/1000 feet, 1C/1000 feet
9.
The horizontal distribution of pressure on the Earth's surface is depicted on weather charts
by_______________.
a.
isotherms
b.
isotachs
c.
isogonic lines
d.
isobars
10.
The weight of the air mass over any point on the Earth's surface defines_____________.
a.
density altitude
b.
atmospheric pressure
c.
pressure altitude
d.
true weight
11.
The quantities 1013.2 mb and 29.92 in-Hg are two different expressions for the_________.
a.
atmospheric density at a standard air temperature of 15C
b.
atmospheric pressure at sea level at an air temperature of 0C
c.
standard atmospheric pressure at mean sea level and at a standard air temperature of
15C
d.
weight of the atmosphere at the surface of the Earth
General Structure of the Atmosphere, and Atmospheric Temperature and Pressure 1-15
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