Theory

Question 1

boundary layer

Answer 1

thin layer of air over wings surface

Question 2

what % of the chord is conventional airfoil the thickest

Answer 2

25%

Question 3

how do laminar flow airfoils reduce drag

Answer 3

by maintaining laminar flow through a greater % of the chord

Question 4

Wash-out

Answer 4

decreasing the angle of incidence on wing tip

Question 5

What wing tip modifications increase lift

Answer 5

Wing tip fuel tanks, winglets, drooping the wing tips

Question 6

auxiliary airfoils that move

Answer 6

Slats

Question 7

curvature of the airfoil

Answer 7

camber of an airfoil

Question 8

EAS

Answer 8

calibrated airspeed

Question 9

passages in the wing that are similar to slats that affects airflow

Answer 9

slots

Question 10

in an area of low pressure, if the altimeter isn’t correct it will read…

Answer 10

higher than it should be

Question 11

density altitude

Answer 11

pressure altitude corrected for temperature

Question 12

what selects the desired fuel tank to draw from and shut off fuel flow from the tanks

Answer 12

Fuel selector valve

Question 13

Forward movement of the throttle affects what/how

Answer 13

opens throttle valve, increases air mixture and engine power

Question 14

what is maintained throughout most of the diameter of the propeller

Answer 14

thrust

Question 15

what is the distance a propeller travels forward

Answer 15

pitch

Question 16

what is the manifold pressure gauge reading when the engine is off

Answer 16

atmospheric pressure

Question 17

altitude increases, air is less dense what happens to your engine

Answer 17

power decrease

Question 18

effect of surface friction on winds

Answer 18

lowers wind speed from the pressure gradient

Question 19

an airmass in the troposphere has properties from

Answer 19

temperature and moisture in the horizontal

Question 20

Down slope winds flowing from high elevation

Answer 20

katabatic wind

Question 21

upslope winds from valleys to high elevation

Answer 21

anabatic winds

Question 22

irregular change in wind

Answer 22

gust

Question 23

weather factors that determine weather in air masses

Answer 23

moisture, cooling process and air stability

Question 24

characteristics of stable air

Answer 24

stratus, poor visibility, stable winds

Question 25

characteristics of unstable air

Answer 25

cumulus, good visibility, unstable winds

Question 26

behaviors of cold and warm air masses

Answer 26

cold air-sinks, dense, undercuts warm air warm air-less dense, rises over cold air

Question 27

shortest between two long distances

Answer 27

great circle

Question 28

angle between true heading and magnetic heading

Answer 28

variation

Question 29

lines connecting areas of equal variation

Answer 29

isogonic lines

Question 30

on east and west headings the compass starts turning what direction

Answer 30

south

Question 31

advantages of Rhumb line

Answer 31

consistent/one continuous heading

Question 32

agonic lines

Answer 32

lines that connect areas of 0 magnetic variation

Question 33

percentage of chord that is the thickest

Answer 33

50%

Question 34

Lubber line

Answer 34

white line that shows the direction you are going using the longitudinal axis

Question 35

gyroscopic inertia

Answer 35

rigidity in space

Question 36

flaps create

Answer 36

lift and drag

Question 37

wash-in

Answer 37

increasing the angle of incidence at the wing tip