1 Flashcards

1
Q

Ridge

A

High pressure region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Hydrostatic pressure

A

Balance between gravity(down) and upward pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

IFR

A

Less than 3 sm

Ceiling under 1000 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Diurnal variation

A

Daily heating and cooling of day and night

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Albedo

A

Reflect back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Human visibility on light scale?

A

.4-.7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

18000 ft is how many milibars?

A

500 milibars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

MSL

A

Mean sea level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

1nm=? Ft
1sm=? Ft

They are for what

A
1nm = 6080ft for speed
1sm= 5280ft for visibility
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Standard atmosphere

A
  1. 92 hg
  2. 7 lbs per square inch
  3. 25 milibars
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Density

A

Mass of molecules in a given volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

3 atmospheric states

A

Temperature
Density
Pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Aneroid

A

Not wet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Stratosphere temp increases due to what?

A

Ozone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

1 inch Mercury is how many milibars per 1000 ft?

A

34

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Kelvin

A

Absolute zero

17
Q

Isobar

A

Constant pressure

18
Q

Isotherm

A

Equal temperature

19
Q

3 energy transfers

A

Radiation
Conduction
Convection

20
Q

Unequal heating of the surface creates what?

A

Weather

21
Q

Cold air is more dense thus?

A

Better performance

22
Q

ISA

A

International standard atmosphere

15degrees c

23
Q

Vernal equinox

A

Twice a year when day and night time is same

24
Q

AGL

MSL

A

Above ground level

Mean sea level

25
Q

True altitude

A

From sea level

26
Q

Metar time zone

A

Gmt

Zulu

27
Q

Standard degree temp lapse rate

A

2degrees per 1000 ft in troposphere

28
Q

Trough

A

Low pressure region