CH 1 Basic Aerodynamics

Question 1

3203
The acute angle A is the angle of…

A. Incident
B. Attack
C. Dihedral

Answer 1

A. Attach

Question 2

3204
The term “angle of attack” is defined as the angle…

A. between the wing chord line and the relative wind

B. between the airplane’s climb angle and the horizon

C. formed by the longitudinal axis of the airplane and the chord line of the wing

Answer 2

A. between the wing chord line and the relative wind

Question 3

3204-1
The angle between the chord line of an airfoil and teh relative wind is know as the angle of …

A. Lift

B. Attack

C. Incidence

Answer 3

B. Attack

Question 4

3317
The term “angle of attack” is defined as the angle between the…

A. Chord line of the wing and the relative wind

B. Airplane’s longitudinal axis and that of the air striking the airfoil

C. Airplane’s center line and the relative wind

Answer 4

A. Chord line of the wing and the relative wind

Question 5

3201-1
Which statement relates to Bernoulli’s principle?

A. For every action there is an equal and opposite reaction.

B. An additional upward force is generated as the lower surface of the wing deflects air downward.

C. Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface.

Answer 5

C. Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface.

Question 6

3201
The four forces acting on the airplane in flight are:

A. lift, weight, thrust, and drag

B. lift, weight, gravity, and thrust

C. lift, gravity, power, and friction

Answer 6

A. lift, weight, thrust, and drag

Question 7

3202-1
Select the four flight fundamentals involved in maneuvering an aircraft:

A. Aircraft Power, Pitch, Bank, and Trim

B. Starting, Taxing, Takeoff, and Landing

C. Straight and level flight, Turns, Climbs, and Descents

Answer 7

C. Straight and level flight, Turns, Climbs, and Descents

Question 8

3202-2
In flying the rectangular course when would the aircraft be turned less than 90°?

A. Corners 1 and 4

B. Corners 1 and 2

C. Corners 2 and 4

Answer 8

A. Corners 1 and 4

Question 9

3202-3
While practicing S-turns, a consistently smaller half-circle is made on one side of the road than on the other, and this turn is not completed before crossing the road or the reference line. This would most likely occur in turn…..

A. 1-2-3 because the bank is decreased too rapidly during the latter part of the turn

B. 4-5-6 because the bank is increased too rapidly during the early part of the turn

C. 4-5-6 because the bank is increased too slowly during the latter part of the turn

Answer 9

B. 4-5-6 because the bank is increased too rapidly during the early part of the turn

Question 10

3315
Ground effect is the most likely to result in which problem?

A. Settling to the surface abruptly during landing.

B. Becoming airborne before reaching recommend take-off speed

C. Inability to get airborne even though airspeed is sufficient for normal takeoff needs

Answer 10

B. Becoming airborne before reaching recommend take-off speed

Question 11

3829-2
When landing behind a large aircraft, which procedure should be followed for vortex avoidance?

A. Stay above its final approach flight-path all the way to touchdown

B. Stay below and to one side of its final approach flight-path

C. Stay well below its final approach flight-path and land at least 2000 ft behind

Answer 11

A. Stay above its final approach flight-path all the way to touchdown

Question 12

3829-3
How does the wake turbulence vortex circulate around the wingtip?

A. Inward, upward, and around each tip

B. Inward, upward, and counterclockwise

C. Outward, upward, and around each tip

Answer 12

C. Outward, upward, and around each tip

Question 13

3827
When taking off or landing at an airport where heavy aircraft are operating, one should be particularly alert to the hazards of wingtip vortexes because this turbulence tends to…

A. rise from the crossing runway into the takeoff and landing path.

B. rise into the traffic pattern surrounding the airport.

C. sink into the flight-path of aircraft operating below the aircraft generating the turbulence.

Answer 13

C. sink into the flight-path of aircraft operating below the aircraft generating the turbulence.

Question 14

3824
Wingtip vortexes are created only when an aircraft is…

A. Operating at high speeds.

B. heavily loaded.

C. developing lift.

Answer 14

C. developing lift.

Question 15

3825
The greatest vortex strength occurs when the generating aircraft is…

A. light, dirty, and fast

B. heavy, dirty, and fast

C. heavy, clean, and slow

Answer 15

C. heavy, clean, and slow

Question 16

3826
Wingtip vortexes created by larger aircraft tend to…

A. sink below the aircraft generating turbulence

B. rise into the traffic pattern

C. rise into the takeoff or landing path of a crossing runway.

Answer 16

A. sink below the aircraft generating turbulence

Question 17

3828
The wind condition that requires maximum caution when avoiding wake turbulence on landing is a…

A. light, quartering headwind

B. light, quartering tailwind

C. strong headwind

Answer 17

B. light, quartering tailwind

Question 18

3829
When landing behind large aircraft, the pilot should avoid wake turbulence by staying…

A. above the large aircraft’s final approach path and landing beyond the large aircraft’s touchdown point.

B. below the large aircraft’s final approach path and landing before the large aircraft’s touchdown point.

C. above the large aircraft’s final approach path and landing before the large aircraft’s touchdown point.

Answer 18

A. above the large aircraft’s final approach path and landing beyond the large aircraft’s touchdown point.

Question 19

3830
When departing behind a heavy aircraft, the pilot should avoid wake turbulence by maneuvering the aircraft …

A. below and downwind from the heavy aircraft

B. above and upwind from the heavy aircraft

C. below and upwind from the heavy aircraft

Answer 19

B. above and upwind from the heavy aircraft