Avit 102

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

What is one purpose of wing flaps? -A)to enable the pilot to make steeper approaches to a landing without increasing the airspeed -B)to relieve the pilot of maintaining continuous pressure on the controls -C) to decrease wing area to vary the lift

-A)to enable the pilot to make steeper approaches to a landing without increasing the airspeed

What causes an airplane (except a T-tail) to pitch nose down when power is reduced and controls are not adjusted? -A) The CG shifts forward when thrust and drag are reduced -B) The downwash on the elevators from the propeller slipstream is reduced and elevator effectiveness is reduced -C) When thrust is reduced to less than weight, lift is also reduced and the wings can no longer support the weight

-B) The downwash on the elevators from the propeller slipstream is reduced and elevator effectiveness is reduced

When landing behind a large aircraft, the pilot should avoid wake turbulence by staying -A) below and downwind from the heavy aircraft -B) above and upwind from the heavy aircraft -C)below and upwind from the heavy aircraft

-B) above and upwind from the heavy aircraft

What is the effect of advancing the throttle in flight -A) both aircraft groundspeed and angle of attack will increase -B) airspeed will remain relatively constant but the aircraft will climb -C) The aircraft will accelerate, which will cause a turn to the right

-B) airspeed will remain relatively constant but the aircraft will climb

The angle between the chord line of an airfoil and the relative wind is known as the angle of -A) lift -B) attack -C incidence

-B) attack

Ground effect is most likely to result in which problem? -A) setting to the surface abruptly during landing -B) becoming airborne before reaching recommended take off speed -C) inability to get airborne even though airspeed is sufficient for normal takeoff needs

-B) becoming airborne before reaching recommended take off speed

An airplane has been loaded in such a manner that the CG is located aft of the aft CG limit. one undesirable flight characteristic a pilot might experience with this airplane would be -A) a longer takeoff run -B) difficulty in recovering from a stalled condition -C) stalling at higher-than normal airspeed

-B) difficulty in recovering from a stalled condition

An aircraft leaving ground effect during takeoff will -A) experience a reduction in ground friction and require a slight power reduction -B) experience an increase in induced drag a decrease in performance -C) require a lower angle of attack to maintain the same lift coefficient

-B) experience an increase in induced drag a decrease in performance

If an emergency situation requires a downwind landing, pilots should expect a faster -A) airspeed at touchdown, a longer ground roll, and better control throughout the landing roll -B) groundspeed at touchdown, a longer ground roll, and the likelihood of overshooting the desired touchdown point -C) groundspeed at touchdown, a shorter ground roll, and the likelihood of overshooting the desired touchdown point

-B) groundspeed at touchdown, a longer ground roll, and the likelihood of overshooting the desired touchdown point

What must a pilot be aware of as a result of ground effect? -A) wingtip vortices increase creating wake turbulence problems for arriving and departing aircraft -B) induced drag decreases; therefore any excess speed at the point of flare may cause considerable floating -C) a full stall landing will require less up elevator deflection than would a full stall when done free of ground effect

-B) induced drag decreases; therefore any excess speed at the point of flare may cause considerable floating

A go-around from a poor landing approach -A) should not be attempted unless circumstances make it absolutely pessary -B) is preferable to last minute attempts to prevent a bad landing -C) should not be attempted after landing flare has been initiated regardless of airspeed

-B) is preferable to last minute attempts to prevent a bad landing

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

-B) light, quartering tailwind

The angle of attack at which an airfoil stalls will -A) increase if the CG is moved forward -B) remain the same regardless of gross weight -C) change with an increase in gross weight

-B) remain the same regardless of gross weight

An airplane said to be inherently stable will -A) be difficult to stall -B) require less effort to control -C) not spin

-B) require less effort to control

The amount of excess load that can be imported on the wing of an airplane depends upon the -A) position of the CG -B) speed of the airplane -C) abruptness at which the load is applied

-B) speed of the airplane

Which basic flight maneuver increases the load factor on an airplane as compared to straight-and-level flight -A) climbs -B) turns -C) Stalls

-B) turns

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

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

Changes in the center of pressure of a wing affect the aircraft's -A) lift/drag ratio -B) lifting capacity -C) aerodynamic balance and controllability

-C) aerodynamic balance and controllability

Wingtip vortices are created only when an aircraft is -A) operating at high airspeeds -B) heavily loaded -C) developing lift

-C) developing lift

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

-C) heavy, clean and slow

One of the main functions of flaps during approach and landing is to -A) decrease the angle of descent without increasing the airspeed -B)permit a touchdown at a higher indicated airspeed -C) increase the angle of descent without increasing the airspeed

-C) increase the angle of descent without increasing the airspeed

What wind condition prolongs the hazards of wake turbulence on a landing runway for the longest period of time -A) light quartering headwind -B) direct tailwind -C) light quartering tailwind

-C) light quartering tailwind

When executing an emergency approach to land in a single-engine airplane, it is important to maintain a constant glide speed because variations in glide speed -A) Increase the chances of shock cooling the engine -B) assure the proper descent angle is maintained until entering the flare -C) nullify all attempts at accuracy in the judgment of gliding distance and landing spot

-C) nullify all attempts at accuracy in the judgment of gliding distance and landing spot

How does the wake turbulence vortex circulate around each wingtip? -A) inward, upward and around each tip -B) inward upward and counterclockwise -C) outward, upward and around each tip

-C) outward, upward and around each tip

The angle of attack at which an airplane wing stalls will -A) increase if the CG is moved forward -B) change with an increase in gross weight -C) remain the same regardless of gross weight

-C) remain the same regardless of gross weight

Which items are included in the empty weight of an aircraft? -A) unusable fuel and undeniable oil -B) only the airframe, power plant and optional equipment -C) full fuel tanks and engine oil to capacity

-A) unusable fuel and undeniable oil

When landing behind a 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

-A) above the large aircraft's final approach path and landing beyond the large aircraft's touchdown point

The best speed to use for a glide is one that will result in the greatest glide distance for given amount of -A) altitude -B) fuel -C) drag

-A) altitude

The direct cause of every stall is excessive -A) angle of attack -B) density altitude -C) upward vertical velocity

-A) angle of attack

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

-A) between the wing chord line and the relative wind

During a spin to the left with wing(s) is/are stalled -A) both wings are stalled -B) neither wing is stalled -C) only the left-wing is stalled

-A) both wings are stalled

The term "angle of attack" is defined as the angle between the -A) chord line of the wing and the relative wind -B) airplanes longitudinal axis and that of the air striking the airfoil -C) airplane's centerline and the relative wind

-A) chord line of the wing and the relative wind

When are the four forces that act on an airplane in equilibrium? -A) during unaccelerated flight -B) when the aircraft is accelerating -C) when the aircraft is at rest on the ground

-A) during unaccelerated flight

Loading an airplane to the most aft CG will cause the airplane to be -A) less stable at all speeds -B) less stable at slow speeds, but more stable at high speeds -C) less stable at high speeds, but more stable at low speeds

-A) less stable at all speeds

Floating caused by the phenomenon of ground effect will be most realized during an approach to land when at -A) less than the length of the wingspan above the surface -B) twice the length of the wingspan above the surface -C) a higher than normal angle of attack

-A) less than the length of the wingspan above the surface

What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-level flight? -A) lift equals weight and thrust equals drag -B) lift, drag and weight equal thrust -C) lift and weight equal thrust and drag

-A) lift equals weight and thrust equals drag

The four forces acting on an airplane in flight are... -A) lift, weight, thrust, and drag -B) lift, weight, gravity, and thrust -C) lift, gravity, power, and friction

-A) lift, weight, thrust, and drag

Climb performance depends upon the -A) reserve power or thrust -B) maximum L/D ratio -C) cruise power setting

-A) reserve power or thrust

Wingtip vortices created by large aircraft tend to -A) sink below the aircraft generating -B) rise into the traffic pattern -C) rise into the takeoff or landing path of a crossing runway

-A) sink below the aircraft generating

During an approach to stall an increased load factor will cause the airplane to -A) stall at a higher airspeed -B) have a tendency to spin -C) be more difficult to control

-A) stall at a higher airspeed

When landing behind a large aircraft which procedure should be followed for vortex avoidance -A) stay above its final approach flightpath all the way to touchdown -B) stay below and to one side of its final approach flightpath -C) stay well below its final approach flightpath and land at least 2,000 feet behind

-A) stay above its final approach flightpath all the way to touchdown

What force makes an airplane turn? -A) the horizontal component of lift -B) the vertical component of lift -C)centrifugal force

-A) the horizontal component of lift

What determines the longitudinal stability of an airplane? -A) the location of the CG with respect to the center of lift -B) The effectiveness of the horizontal stabilizer, rudder and rudder trim tab -C) The relationship of thrust and lift to weight and drag

-A) the location of the CG with respect to the center of lift

What is ground effect? -A) the result of the interference of the surface of the earth with the airflow patterns about an airplane -B) the result of an alteration in airflow patterns increasing induced drag about the wings of an airplane -C) the result of the disruption of the airflow patterns about the wings of an airplane to the point where the wings will no longer support the airplane in flight

-A) the result of the interference of the surface of the earth with the airflow patterns about an airplane

What is the purpose of the rudder on an airplane? -A) to control yaw -B) to control overbooking tendency -C) to control roll

-A) to control yaw

When taking off or landing at an airport where heavy aircraft are operating, one should be particularly alert to the hazards of wingtip vortices because this turbulence tends to -A) rise from a crossing runway into the takeoff or landing path -B) rise into the traffic pattern area surrounding the airport -C) sink into the flight path of aircraft operating below the aircraft generating the turbulence

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

In what flight condition must an aircraft be placed in order to spin -A) partially stalled with one wing low -B) in a steep diving spiral -C) stalled

-C) stalled

Select the four flight fundamentals involved in maneuvering an aircraft -A) Aircraft power, pitch, bank, and trim -B) Starting, taxiing, takeoff, and landing -C) straight-and-level flight, turns, climbs, and descents

-C) straight-and-level flight, turns, climbs, and descents

Which is a result of the phenomenon of ground effect? -A) the induced angle of attack of each rotor blade is increased -B) the lift vector becomes more horizontal -C) the angle of attack generating lift is increased

-C) the angle of attack generating lift is increased


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