weather quiz 1

Question 1

standard sea level temperature

Answer 1

15C & 59F

Question 2

standard sea level pressure

Answer 2

29.92 Hg & 1013.25 mb

Question 3

temperature decreases at __*C per ____ ft of altitude increase

Answer 3

2/1000

Question 4

pressure drops __Hg per _____ ft of altitude increase

Answer 4

1/1000

Question 5

standard temperature at 8000 ft MSL is __*C

Answer 5

-1

Question 6

what is hypoxia?

Answer 6

lack of oxygen to the body

Question 7

symptoms of hypoxia

Answer 7

euphoria
loss of motor skills
vision impairment
blue lips and fingernails
fatigue
loss of consciousness

Question 8

factors that affect susceptibility to hypoxia

Answer 8

pregnancy
medication
smoking

Question 9

cure for hypoxia

Answer 9

lowering altitude

introduce oxygen

Question 10

___________ ___________ is the cause of most weather phenomena

Answer 10

temperature inversions

Question 11

converting *C to *F

Answer 11

9/5 C+32

Question 12

converting *F to *C

Answer 12

5/9(F-32)

Question 13

why would you see higher temps in dry arid regions compared to desert like coastal environments

Answer 13

water from the coast absorbs heat in comparison to the arid region that has very little to absorb heat

Question 14

how does high density altitude affect aircraft performance

Answer 14

air is thinner so props produce less push,
combustion is reduced,
lift is reduced

Question 15

if pressure drops and you fail to adjust your altimeter setting, you are flying ________ then reported by altimeter.

Answer 15

lower

Question 16

if pressure drops and you fail to adjust your altimeter setting, your altimeter is reading ________ than actual altitude.

Answer 16

higher

Question 17

when climbing through 18000 ft you must

Answer 17

set altimeter to 29.92

Question 18

pressure varies primarily with _________ and ________.

Answer 18

temperature, altitude

Question 19

a “Low” is

Answer 19

pressure surrounded by higher pressure

Question 20

a “high” is

Answer 20

pressure surrounded by lower presure

Question 21

low pressure regions often have ___ flying weather

Answer 21

bad

Question 22

high pressure regions often have ____ flying weahter

Answer 22

good

Question 23

true altitude is referenced to

Answer 23

MSL

Question 24

indicated altitude is

Answer 24

true altitude corrected for “local pressure”

Question 25

absolute altitude is referenced to

Answer 25

AGL

Question 26

what are isobars

Answer 26

lines of constant pressure

Question 27

highs move in which direction in the northern hemisphere

Answer 27

clockwise

Question 28

lows move in which direction in the southern hemisphere

Answer 28

counter clockwise

Question 29

closely spaced isobars mean

Answer 29

high wind speeds

Question 30

widely spaced isobars mean

Answer 30

low wind speeds

Question 31

where is wind shears normally found

Answer 31

anywhere

Question 32

what is the primary danger of wind shear

Answer 32

severe turbulence

Question 33

what does the tropopause do

Answer 33

traps moisture

Question 34

instrument design to measure pressure

Answer 34

barameter

Question 35

station pressure is what

Answer 35

pressure measured at field elevation

Question 36

hypoxia may affect night vision as low as

Answer 36

5,000ft

Question 37

horizontal air flow in a convective current is called

Answer 37

wind