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WorksheetsTheory of Flight Finals Review
Total questions: 89
Worksheet time: 50mins
Which if the following is considered as a primary flight control?
Slats
Elevator
Dorsal Fin
Which of the following is considered an auxiliary flight control?
Ruddervator
Upper Rudder
Leading edge flaps
What is the purpose of a control tab?
Move the flight controls in the event of manual reversion.
Reduce control forces by deflecting in the proper direction to move a primary flight control.
Prevent a control surface from moving to a full deflection position due to aerodynamic forces.
What is the purpose of an anti-servo-tab?
Move the flight controls in the event of manual reversion.
Reduce control forces by deflecting in the proper direction to move a primary flight control.
Prevent a control surface from moving to a full-deflection position due to aerodynamic forces.
What is the purpose of leading edge flaps?
Increase camber of the wing.
Reduce lift without increasing airspeed.
Direct airflow over the top of the wing at high angles of attack.
For which purpose may flight spoilers be used?
Reduce the wing’s lift upon landing.
Increase the rate of descent without increasing aerodynamic drag.
Aid in longitudinal balance when rolling an airplane into a turn.
What is the purpose of wing mounted vortex generators?
Delays the onset of drag divergence at high speeds and aids in maintaining aileron effectiveness at high speeds.
Increase the onset of drag divergence and aid in aileron effectiveness at low speeds.
Breaks the airflow over the wing so the stall will progress from root out to the tip of the wing.
What affects indicated stall speed?
Weight, load factor, and power.
Load factor, angle of attack, and power.
Angle of attack, weight and air density.
Identify the type stability if the aircraft attitude remains in the new position after the controls have been neutralized.
Negative longitudinal static stability
Neutral longitudinal dynamic stability.
Neutral longitudinal static stability.
What is the highest speed possible without supersonic air flow over the wing?
Initial buffet speed.
Critical Mach number.
Transonic index.
At what Mach range does the subsonic flight range normally occur?
Below .80 Mach
From .80 to 1.20 Mach
From 1.20 to 2.50 Mach.
Select the four flight fundamentals involved in maneuvering an aircraft.
Aircraft power, pitch, bank, and trim.
Starting, taxiing, takeoff and landing.
Straight and level flight, turn, climbs and descents.
Which statement relates to Bernoulli’s principle?
For every action there is an equal and opposite reaction.
An additional upward force is generated as the lower surface of the wing deflects air downward.
Air traveling faster over the curved surface of an airfoil causes lower pressure on the top surface.
The resistance of skin friction due to the viscosity of the air as it passes along the surface of a wing is called
Skin friction drag
Induced drag
Form drag
Wave drag
Action of the elevators moves the airplane about its
lateral axis.
Longitudinal axis
vertical axis.
Aileron deflection moves the airplane about its
lateral axis.
longitudinal axis.
vertical axis.
The tail rotor of a helicopter counteracts produced by the main rotor system.
torque
Pressure
Resistance.
Standard day atmospheric pressure at sea level is pounds per square inch.
14.7
29.92
8.9
19. When an aircraft is accelerating, it has more than drag.
Power
Thrust
Force
Form drag is the profile of the
Wing
Tail
Fuselage.
When are inboard ailerons normally used?
Low speed flight only.
High speed flight only.
Low speed and high speed flight.
When are outboard ailerons normally used?
Low speed flight only.
High speed flight only.
Low speed and high speed flight.
Which of the following is considered a primary flight control?
Slats.
Elevator.
Dorsal fin.
Which of the following is considered an auxiliary flight control?
Ruddervator.
Upper rudder.
Leading edge flaps.
What is the purpose of a control tab?
Move the flight controls in the event of manual reversion.
Reduce control forces by deflecting in the proper direction to move a primary flight control.
Prevent a control surface from moving to a full-deflection position due to aerodynamic forces.
What is the purpose of an anti-servo tab?
Move the flight controls in the event of manual reversion.
Reduce control forces by deflecting in the proper direction to move a primary flight control.
What is the purpose of a servo tab?
Move the flight controls in the event of manual reversion.
Reduce control forces by deflecting in the proper direction to move a primary flight control.
Prevent a control surface from moving to a full-deflection position due to aerodynamic forces.
Which is a purpose of the leading edge flaps?
Increase the camber of the wing.
Reduce lift without increasing airspeed.
Direct airflow over the top of the wing at high angles of attack.
What is the purpose of flight spoilers?
Increase the camber of the wing.
Reduce lift without reducing airspeed.
Direct airflow over the top of the wing at high angles of attack.
For which purpose may flight spoilers be used?
Reduce the wing’s lift upon landing.
Increase the rate of descent without increasing aerodynamic drag.
Aid in longitudinal balance when rolling an airplane into a turn.
Which is a purpose of leading-edge slats on high performance wings?
Increase lift at relative slow speeds.
Improve aileron control during low angles of attack.
Direct air from the low pressure area under the leading edge along the top of the wing.
Which is the purpose of ground spoilers?
Reduce the wing’s lift upon landing.
Aid in rolling an airplane into a turn.
Increase the rate of descent without gaining airspeed.
A purpose of wing mounted vortex generators is:
To reduce drag by controlling airflow separation
To increase the weight of the aircraft
To decrease the lift produced by the wing
To reduce the fuel capacity of the wing
What affects indicated stall speed?
Weight, load factor, and power.
Load factor, angle of attack, and power.
Angle of attack, weight and air density.
Airflow separation over the wing can be delayed by using vortex generators
directing high pressure air over the top of the wing or flap through slots and making the wing surface smooth.
directing a suction over the top of the wing or flap through slots and making the wing surface smooth.
making the wing surface rough and/or directing high pressure air over the top of the wing or flap through slots.
Identify the type stability if the aircraft attitude remains in the new position after the controls have been neutralized.
Negative longitudinal static stability.
Neutral longitudinal dynamic stability.
Neutral longitudinal static stability.
Describe dynamic longitudinal stability.
Motion about the longitudinal axis.
Motion about the lateral axis.
Motion about the vertical axis.
Identify the type stability if the aircraft attitude tends to return to its original position after the controls have been neutralized.
What is the primary function of the leading edge flaps in landing configuration during the flare before touchdown?
Prevent flow separation.
Decrease rate of sink.
Increase profile drag.
What is the highest speed possible without supersonic flow over the wing?
Initial buffet speed.
Critical Mach number.
Transonic index.
At which Mach range does the subsonic flight range normally occur?
Below .80 Mach.
From .80 Mach to 1.20 Mach.
From 1.20 Mach to 2.50 Mach.
What is the principle advantage of a sweptback wing over a straight wing design?
The critical Mach number will increase significantly.
Sweptback will increase changes in the magnitude of force coefficients due to compressibility.
Sweptback will accelerate the onset of compressibility effect.
23. Swept wings
improve specific fuel consumption.
increase the critical Mach number.
increase the speed of sound quotient.
What is the disadvantage of a sweptback wing?
Select four flight fundamentals involved in maneuvering an aircraft.
Aircraft power, pitch, bank, and trim.
Starting, taxiing, takeoff, and landing.
Straight-and-level flight, turns, climbs, and descents.
The point in an airfoil through which lift acts is the
center of gravity.
Center of pressure.
midpoint of the chord.
Which statement relates to Bernoulli’s principle?
For every action there is an equal an opposite reaction.
An additional upward force is generated as the lower surface of the wing deflects air downward.
Air traveling faster over the curved upper surface of an airfoil causes the lower pressure on the top surface.
During flight with zero angle of attack, the pressure along the upper surface of a wing would be
equal to atmospheric pressure.
Less than atmospheric pressure.
greater than atmospheric pressure.
The resistance, or skin friction, due to the viscosity of the air as it passes along the surface of a wing is called
form drag.
profile drag.
parasite drag.
If the aircraft’s nose initially tends to move farther from its original position after the elevator control is pressed forward and released, the aircraft displays
negative static stability.
positive static stability.
positive dynamic stability.
If the aircraft’s nose initially tends to return to its original position after the elevator control is pressed forward and released, the aircraft displays
positive static stability.
neutral dynamic stability.
negative dynamic stability.
If an aircraft has a negative dynamic and positive static stability, this will result in
undamped oscillations.
divergent oscillations.
convergent oscillations.
Action of the elevators moves the plane about its
lateral axis.
longitudinal axis.
vertical axis.
Aileron deflection moves the airplane about its
lateral axis.
longitudinal axis.
vertical axis.
At what altitude shall the altimeter be set to 29.92, when climbing to cruising flight level?
14,500 feet MSL.
18,000 feet MSL.
24,000 feet MSL.
If pitot tube and outside static vents become clogged, which instruments would be affected?
The altimeter, airspeed indicator, and turn-and-slip indicator.
The altimeter, airspeed indicator, and vertical speed indicator.
The altimeter, attitude indicator, and turn-and-slip indicator.
Which instrument(s) will become inoperative if the static vents become clogged?
Airspeed only.
Altimeter only.
Airspeed, altimeter, and vertical speediąz.
Ground effect is most likely to result in which problem?
Settling to the surface abruptly during landing.
Becoming airborne before reaching recommended take-off speed.
Inability to get airborne even though airspeed is sufficient for normal takeoff needs.
Which is a result of the phenomenon of ground effect?
The induced angle of attack of each rotor blade is increased.
The lift vector becomes more horizontal.
The angle of attack generating lift is increased.
Which of the following is considered an auxiliary flight control?
Ruddervator.
Upper rudder.
Leading edge flaps.
Which is a purpose of the leading edge flaps?
Increase the camber of the wing.
Reduce lift without increasing airspeed.
Direct airflow over the top of the wing at high angles of attack.
What is the purpose of flight spoilers.
Increase the camber of the wing.
Reduce lift without reducing airspeed.
For which purpose may flight spoilers be used?
Reduce the wing’s lift upon landing.
Increase the rate of descent without increasing aerodynamic drag.
Aid in longitudinal balance when rolling an airplane into a turn.
What is the highest speed possible without supersonic flow over the wing?
Initial buffet speed.
Critical Mach number.
Transonic index.
The resistance, or skin friction, due to the viscosity of the air as it passes along the surface of a wing is called
form drag.
profile drag.
parasite drag.
Action of the elevators moves the plane about its________
lateral axis.
longitudinal axis.
vertical axis.
Aileron deflection moves the airplane about its
lateral axis.
longitudinal axis.
vertical axis.
If pitot tube and outside static vents become clogged, which instruments would be affected?
The altimeter, airspeed indicator, and turn-and-slip indicator.
The altimeter, airspeed indicator, and vertical speed indicator.
The altimeter, attitude indicator, and turn-and-slip indicator.
What type of flap system increases the wing area and changes the wing camber?
Fowler flaps
Split flaps
An increase in the speed at which an airfoil passes through the air increases lift because
The increased speed of the airflow creates a greater pressure differential between the upper and lower surfaces
The increased speed of the airflow creates a lesser pressure differential between the upper and lower surfaces
The increased velocity of the relative wind increases the angle of attack
Which statement relates to Bernoulli’s principle?
For every action there is an equal and opposite reaction.
An additional upward force is generated as the lower surface of the wing deflects air downward.
Air traveling faster over the curved upper surface of an airfoil causes a lower pressure on the top surface.
The point in an airfoil through which lift acts is the
center of gravity.
Center of pressure.
midpoint of the chord.
Small devices installed on an aircraft that promote positive laminar airflow are called
Spoilers
Stall Fences
Vortex generators
Anti-servo tabs move in the same direction as the flight control surface
False
True
The curvature of the wing that generates lift is called
Chordline
Camber
Wingspan
What is the purpose of an anti-servo tab?
Move the flight controls in the event of manual reversion.
Reduce control forces by deflecting in the proper direction to move a primary flight control.
Prevent a control surface from moving to a full-deflection position due to aerodynamic forces.
Identify the type of stability if the aircraft attitude remains in the new position after the controls have been neutralized.
Negative longitudinal static stability.
Neutral longitudinal dynamic stability.
Neutral longitudinal static stability.
Identify the type of stability if the aircraft attitude tends to return to its original position after the controls have been neutralized.
Negative dynamic stability.
Positive static stability.
Neutral dynamic stability.
The primary purpose of stall strips is to
Stall the inboard portion of the wing first
Provide added lift at slow speeds
Provide added lift at high angles of attack
Which type of tabs move in the opposite direction of the trailing edge?
Anti-servo tab
Servo tab
Balance tab
At which Mach range does the subsonic flight range normally occur?
Mach numbers below .80
Mach numbers from .80 to 1.20
Mach numbers from 1.2 to 5.0
Atmospheric pressure at sea level on a standard day is
15.5 P.S.I.
29.52 inHG
14.7 P.S.I.
The rotor clutch disconnects a helicopter's rotor system from the engine when the engine stops or slows below the equivalent of rotor RPM
True
False
Torque direction is
The same as rotor blade direction
Opposite of rotor blade direction
Parallel with the axis of rotation
A stall is caused by
A high angle of incidence
Separation of airflow from the wing's upper surface
Sudden engine power loss
The difference in pressure between the upper and lower surfaces of a wing causes air to spill over the wing and create wing tip?
Incidence
Vortices
Stability
High speed air passing over the top of the wing and meeting the slower air underneath the wing at the trailing edge helps to increase lift. This is called?
Ground Effect
Downwash
Boundary layer airflow
A device that is used to prevent spanwise airflow is known as
Stall Strips
Stall Fence
Winglets
Which flap attaches to the bottom of the wing and deploys downward without changing the top surface of the wing?
Plain
Split
Slotted
