Basic Aerodynamics

(Refer to Figure 5.) The horizontal dashed line from point C to point E represents the. positive limit load factor. N/A. N/A.

Why is it necessary to increase back elevator pressure to maintain altitude during a turn? To compensate for the. loss of the vertical component of litf. N/A. N/A.

Longitudinal stability involves the motion of the airplane controlled by its. elevator. N/A. N/A.

Which statement is true relative to changing angle of attack?. An increase in angle of attack will increase drag. N/A. N/A.

If the airspeed is increased from 90 knots to 135 knots during a level 60 banked turn, the load factor will. remain the same but the radius of turn will increase. N/A. N/A.

Longitudinal dynamic instability in an airplane can be identified by. pitch oscillations becoming progressively steeper. N/A. N/A.

If an airplane is loaded to the rear of its CG range, it will tend to be unstable about its. lateral axis. N/A. N/A.

To increase the rate of turn and at the same time decrease the radius, a pilot should. increase the bank and decrease airspeed. N/A. N/A.

If an airplane category is listed as utility, it would mean that this airplane could be operated in which of the following maneuvers?. Limited acrobatics, including spins (if approved). N/A. N/A.

Your flight takes you in the path of a large aircraft. In order to avoid the vortices you should fly. above the flight path of the large aircraft. N/A. N/A.

What is the best indicator to the pilot of the load factor on the airplane?. Hoy firmly the pilot is pressed into the seat during the maneuver. N/A. N/A.

What performance is characteristic of flight at maximum lift/drag ratio in a propeller-driven airplane? Maximum. range and maximum distance glide. N/A. N/A.

An airplane will stall at the same. angle of attack regardless of the attitude with relation to the horizon. N/A. N/A.

Which is true regarding the use of flaps during level turns?. The raising of flaps increases the stall speed. N/A. N/A.

In theory, if the angle of attack and other factors remain constant and the airspeed is doubled, the lift produced at the higher speed will be. four times greater than at the lower speed. N/A. N/A.

While executing a 60 degree level turn, your aircraft is at a load factor of 2.0. What does this mean?. The total load on the aircraft´s structure is two times its weight. N/A. N/A.

In theory, if the airspeed of an airplane is doubled while in level flight, parasite drag will become. four times greater. N/A. N/A.

Choose the correct statement regarding wake turbulence. The primary hazard is loss of control because of induced roll. N/A. N/A.

Which is true regarding the force of lift in steady, unaccelerated flight?. There is a corresponding indicated airspeed required for every angle of attack to generate sufficient lift to maintain altitude. N/A. N/A.

To maintain altitude during a turn, the angle of attack must be increased to compensate for the decrease in the. vertical component of lift. N/A. N/A.

A propeller rotating clockwise as seen from the rear, creates a spiraling slipstream. The spiraling slipstream, along with torque effect, tends to rotate the airplane to the. left around the vertical axis, and to the left around the longitudinal axis. N/A. N/A.

In theory, if the airspeed of an aircraft in level flight is cut in half while in level flight, parasite drag will become. one-fourth as much. N/A. N/A.

An airplane leaving ground effect will. experience an increase in induced drag and require more thrust. N/A. N/A.

While holding the angle of bank constant in a level turn, if the rate of turn is varied the load factor would. remain constant regardless of air density and the resultant lift vector. N/A. N/A.

Lift on a wing is most properly defined as the. force acting perpendicular to the relative wind. N/A. N/A.

If the airplane attitude remains in a new position after the elevator control is pressed forward and released, the airplane displays. neutral longitudinal static stability. N/A. N/A.

To generate the same amount of lift as altitude is increased, an airplane must be flown at. a higher true airspeed for any given angle of attack. N/A. N/A.

(Refer to Figure 5.) The vertical line from point E to point F is represented on the airspeed indicator by the. upper limit of the yellow arc. N/A. N/A.

Which is true regarding the forces acting on an aircraft in a steady-state descent? The sum of all. forward forces is equal to the sum of all rearward forces. N/A. N/A.

To maintain a standard rate turn as the airspeed increases, the bank angle of the aircraft will need to. increase. N/A. N/A.

The need to slow an aircraft below V(A) is brought about by the following weather phenomenon: Turbulence which causes an increase in stall speed. N/A. N/A.

On a wing, the force of lift acts perpendicular to and the force of drag acts parallel to the. flightpath. N/A. N/A.

If airspeed is increased during a level turn, what action would be necessary to maintain altitude? The angle of attack. must be decreased or angle of bank increased. N/A. N/A.

If the airspeed is decreased from 98 knots to 85 knots during a coordinated level 45 degree banked turn, the load factor will. remain the same, but the radius of turn will decrease. N/A. N/A.

One of the main functions of flpas during the approach and landing is to. provide the same amount of lift at a slower airspeed. N/A. N/A.

As airspeed decreases in level flight below that speed for maximum lift/drag ratio, total drag of an airplane. increases because of increased induced drag. N/A. N/A.

(Refer to Figure 4.) What is the stall speed of an airplane under a load factor of 2.5 G´s if the unaccelerated stall speed is 60 knots?. 96 knots. N/A. N/A.

By changing the angle of attack of a wing, the pilot can control the airplane´s. lift, airspeed, and drag. N/A. N/A.

The ratio between the total airload imposed on the wing and the gross weight of an aircraft in flight is known as. load factor and directly affects stall speed. N/A. N/A.

The angle of attack at which a wing stalls remains constant regardless of. weight, dynamic pressure, bank angle, or pitch attitude. N/A. N/A.

(Refer to Figure 1.) At the airspeed represented by point A, in steady flight, the airplane will. have its maximum L/D ratio. N/A. N/A.

Recovery from a stall in any airplane becomes more difficult when its. center of gravity moves aft. N/A. N/A.

(Refer to Figure 4.) What increase in load factor would take place if the angle of bank were increased from 60 to 80?. 4 Gs. N/A. N/A.

When landing behind a large aircraft, which procedure should be followed for vortex avoidance?. Stay above its final approach flightpath all the way to touchdown. N/A. N/A.

(Refer to Figure 3.) The L/D ratio at a 2 angle of attack is approximately the same as the L/D ratio for a. 16.5 angle of attack. N/A. N/A.

A load factor of 1.2 means the total load on an aicraft´s structure is 1.2 times its. gross weight. N/A. N/A.

If the airplane attitude tends to return to its original position after the elevator control is pressed forward and released, the airplane displays. positive static stability. N/A. N/A.

An aircraft wing is designed to produce lift resultinf from a difference in the. higher air pressure below the wing´s surface and lower air pressure above the wing´s surface. N/A. N/A.

(Refer to Figure 1.) At an airspeed represented by point B, in steady flight, the pilot can expect to obtain the airplane´s maximum. glide range. N/A. N/A.

During a takeoff made behind a departing large jet airplane, the pilot can minimize the hazard of wingtip vortices by. being airborne prior to reaching the jet´s flightpath until able to turn clear of its wake. N/A. N/A.

A rectangular wing, as compared to other wing platforms, has a tendency to stall first at. wing root, with the stall progression toward the wing tip. N/A. N/A.

Load factor is the lift generated by the wings of an aircraft at any given time. divided by the total weight of the aircraft. N/A. N/A.

If the airspeed is increased from 89 knots to 98 knots during a coordinated level 45 banked turn, the load factor will. remain the same, but the radius of turn will increase. N/A. N/A.

(Refer to Figure 3.) How much altitude will this airplane lose in 3 statute miles of gliding at an angle of attack of 8?. 1,320 feet. N/A. N/A.

While maintaining a constant angle of bank and altitude in a coordinated turn, an increase in airspeed will. decrease the rate of turn resulting in no change in load factor. N/A. N/A.

(Refer to Figure 2.) Select the correct statement regarding stall speeds. Power-on stalls occur at lower airspeeds in shallower banks. N/A. N/A.

The stalling speed of an airplane is most affected by. variations in airplane loading. N/A. N/A.

Which is correct with respect to rate and radius of turn for an airplane flown in a coordinated turn at a constant altitude?. For a specific angle of bank and airspeed, the rate and radius of turn will not vary. N/A. N/A.

Stall speed is affected by. weight, load factor, and power. N/A. N/A.

What changes in airplane longitudinal control must be made to maintain altitude while the airspeed is being decreased?. Increase the angle of attack to compensate for the decreasing lift. N/A. N/A.

To produce the same lift while in ground effect as when out of ground effect, the airplane requires. A lower angle of attack. N/A. N/A.

(Refer to Figure 4.) If an aircraft with gross weight of 2,000 pounds was subjected to a 60 constant-altitude bank, the total load would be. 4,000 pounds. N/A. N/A.

If the same angle of attack is maintained in ground effect as when out of ground effect, lift will. increase, and induced drag will decrease. N/A. N/A.

A sweptwing airplane with weak static directional stability and increased dihedral causes an increase in. Dutch roll tendency. N/A. N/A.

Which is true with respect to vortex circulation in the wake turbulence generated by an aircraft?. The vortex strength is greatest when the generating aircraft is heavy, clean, and slow. N/A. N/A.

As the angle of bank is increased, the vertical component of lift. decreases and the horizontal component of lift increases. N/A. N/A.

(Refer to Figure 4.) What is the stall speed of an airplane under a load factor of 2 Gs if the unaccelerated stall speed is 60 knots?. 84 knots. N/A. N/A.

To avoid possible wake turbulence from a large jet aircraft that has just landed prior to your takeoff, at which point on the runway should you plan to become airborne?. Past the point where the jet touched down. N/A. N/A.

In small airplanes, normal recovery from spins may become difficult if the. CG is too far rearward and rotation is around the CG. N/A. N/A.

(Refer to Figure 3.) If an airplane glides at an angle of attack of 10, how much altitude will it lose in 1 mile?. 480 feet. N/A. N/A.

To hold an airplane in level flight at airspeeds from very slow to very fast, a pilot must coordinate thrust and. angle of attack. N/A. N/A.

(Refer to Figure 5.) What does the intersection of the dashed line at point C represent?. Va. N/A. N/A.

An aircraft airfoil is designed to produce lift resulting from a difference in the. higher air pressure below the airfoil´s surface and lower air pressure above the arifoil´s surface. N/A. N/A.

In a rapid recovery from a dive, the effects of load factor would cause the stall speed to. increase. N/A. N/A.

Airplane wing loading during a level coordinated turn in smooth air depends upon the. angle of bank. N/A. N/A.

When transitioning from straight-and-level flight to a constant airspeed climb, the angle of attack and lift. are momentarily increased and lift returns to a steady state during the climb. N/A. N/A.

Which maximum range factor decreases as weight decreases?. Airspeed. N/A. N/A.

The angle of attack of a wing directly controls the. distribution of pressures acting on the wing. N/A. N/A.

Which statement is true, regarding the opposing forces acting on an airplane in steady-state level flight?. These forces are equal. N/A. N/A.

(Refer to Figure 2.) Select the correct statement regarding stall speeds. The airplane will stall. 10 knots higher in a power-on 60 bank with gear and flaps up than with gear and flaps down. N/A. N/A.