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examen 1

Beschreibung

Quiz am examen 1, erstellt von Andres Felipe Londono am 20/10/2016.
Andres Felipe Londono
Quiz von Andres Felipe Londono, aktualisiert more than 1 year ago
Andres Felipe Londono
Erstellt von Andres Felipe Londono vor mehr als 8 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
The primary reason the angle of attack must be increased, to maintain a constant altitude during a coordinated turn, is because the
Antworten
  • Thrust is acting in a different direction, causing a reduction in airspeed and loss of lift.
  • Vertical component of lift has decreased as the result of the bank.
  • Use of ailerons has increased the drag.

Frage 2

Frage
Which is true regarding the use of flaps during level turns?
Antworten
  • the lowering of flaps increases the stall speed.
  • The raising of flaps increases the stall speed.
  • Raising flaps will require added forward pressure on the yoke or stick.

Frage 3

Frage
Defines VNO as
Antworten
  • Maximum operating limit speed.
  • Maximum structural cruising speed.
  • Never-exceed speed.

Frage 4

Frage
Airplane wing loading during a level coordinated turn in smooth air depends upon the
Antworten
  • Rate of turn
  • Angle of bank
  • True airspeed

Frage 5

Frage
The stalling speed of an airplane is most affected by
Antworten
  • Changes in air density
  • Variations in flight altitude.
  • Variations in airplane loading

Frage 6

Frage
During the transition from straight-and-level flight to a climb, the angle of attack is increased and lift
Antworten
  • Is momentarily decreased.
  • Remains the same.
  • Is momentarily increased.

Frage 7

Frage
Load factor is the lift generated by the wings of an aircraft at any given time
Antworten
  • Divided by the total weight of the aircraft.
  • Multiplied by the total weight of the aircraft.
  • Divided by the basic empty weight of the aircraft.

Frage 8

Frage
Lift on a wing is most properly defined as the
Antworten
  • Force acting perpendicular to the relative wind.
  • Differential pressure acting perpendicular to the chord of the wing
  • Reducedpressureresultingfromalaminarflowovertheuppercamberofanairfoil, whichactsperpendicular to the mean camber.

Frage 9

Frage
While holding the angle of bank constant in a level turn, if the rate of turn is varied the load factor would
Antworten
  • Remain constant regardless of air density and the resultant lift vector
  • Vary depending upon speed and air density provided the resultant lift vector varies proportionately.
  • Vary depending upon the resultant lift vector

Frage 10

Frage
Which is true regarding the forces acting on an aircraft in a steady-state descent? The sum of all
Antworten
  • Upward forces is less than the sum of all downward forces.
  • Forces is greater than the sum of all forward forces.
  • Forward forces is equal to the sum of all rearward forces

Frage 11

Frage
What performance is characteristic of flight at maximum lift/drag ratio in a propeller- driven airplane? Maximum
Antworten
  • Gain in altitude over a given distance.
  • Range and maximum distance glide.
  • Coefficient of lift and minimum coefficient of drag.

Frage 12

Frage
The need to slow an aircraft below VA is brought about by the following weather phenomenon:
Antworten
  • High density altitude which increases the indicated stall speed.
  • Turbulence which causes an increase in stall speed
  • Turbulence which causes a decrease in stall speed.

Frage 13

Frage
In theory, if the airspeed of an airplane is doubled while in level flight, parasite drag will become
Antworten
  • Twice as great.
  • Half as great.
  • Four times greater.

Frage 14

Frage
As airspeed decreases in level flight below that speed for maximum lift/drag ratio, total drag of an airplane
Antworten
  • Decreases because of lower parasite drag.
  • Increases because of increased induced drag.
  • Increases because of increased parasite drag.

Frage 15

Frage
If the airspeed is increased from 90 knots to 135 knots during a level 60° banked turn, the load factor will
Antworten
  • Increase as well as the stall speed.
  • Decrease and the stall speed will increase.
  • Remain the same but the radius of turn will increase.

Frage 16

Frage
The angle of attack at which a wing stalls remains constant regardless of
Antworten
  • Weight, dynamic pressure, bank angle, or pitch attitude.
  • Dynamic pressure, but varies with weight, bank angle, and pitch attitude.
  • Weight and pitch attitude, but varies with dynamic pressure and bank angle.

Frage 17

Frage
Which statement is true, regarding the opposing forces acting on an airplane in steady- state level flight?
Antworten
  • These forces are equal.
  • Thrust is greater than drag and weight and lift are equal.
  • Thrust is greater than drag and lift is greater than weight.

Frage 18

Frage
On a wing, the force of lift acts perpendicular to, and the force of drag acts parallel to the
Antworten
  • Chord line.
  • Flightpath
  • Longitudinal axis.

Frage 19

Frage
An aircraft wing is designed to produce lift resulting from a difference in the
Antworten
  • Negative air pressure below and a vacuum above the wing's surface.
  • Vacuum below the wing's surface and greater air pressure above the wing's surface.
  • Higher air pressure below the wing's surface and lower air pressure above the wing's surface.

Frage 20

Frage
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
Antworten
  • The same as at the lower speed.
  • Two times greater than at the lower speed.
  • Four times greater than at the lower speed.

Frage 21

Frage
20 By changing the angle of attack of a wing, the pilot can control the airplane's
Antworten
  • Lift, airspeed, and drag.
  • Lift, airspeed, and CG.
  • Lift and airspeed, but not drag

Frage 22

Frage
A rectangular wing, as compared to other wing planforms, has a tendency to stall first at the
Antworten
  • Wingtip, with the stall progression toward the wing root.
  • Wing root, with the stall progression toward the wing tip.
  • Center trailing edge, with the stall progression outward toward the wing root and tip.

Frage 23

Frage
Stall speed is affected by
Antworten
  • Weight, load factor, and power.
  • Load factor, angle of attack, and power.
  • Angle of attack, weight, and air density.

Frage 24

Frage
Which statement is true relative to changing angle of attack?
Antworten
  • A decrease in angle of attack will increase pressure below the wing, and decrease drag.
  • An increase in angle of attack will decrease pressure below the wing, and increase drag.
  • An increase in angle of attack will increase drag.

Frage 25

Frage
For a given angle of bank, in any airplane, the load factor imposed in a coordinated constant-altitude turn
Antworten
  • Is constant and the stall speed increases.
  • Varies with the rate of turn.
  • Is constant and the stall speed decreases.

Frage 26

Frage
If severe turbulence is encountered during flight, the pilot should reduce the airspeed to
Antworten
  • Minimum control speed.
  • Design-maneuvering speed.
  • Maximum structural cruising speed.

Frage 27

Frage
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
Antworten
  • Right around the vertical axis, and to the left around the longitudinal axis.
  • Left around the vertical axis, and to the right around the longitudinal axis.
  • Left around the vertical axis, and to the left around the longitudinal axis.

Frage 28

Frage
Which is true regarding the force of lift in steady, unaccelerated flight?
Antworten
  • At lower airspeeds the angle of attack must be less to generate sufficient lift to maintain altitude.
  • There is a corresponding indicated airspeed required for every angle of attack to generate
  • Anairfoilwillalwaysstallatthesameindicatedairspeed, therefore, anincreaseinweightwillrequireanincrease in speed to generate sufficient lift to maintain altitude.

Frage 29

Frage
The ratio between the total airload imposed on the wing and the gross weight of an aircraft in flight is known as
Antworten
  • Load factor and directly affects stall speed.
  • Aspect load and directly affects stall speed.
  • Load factor and has no relation with stall speed.

Frage 30

Frage
(Refer to figure 1) The vertical line from point D to point G is represented on the airspeed indicator by the maximum speed limit of the
Antworten
  • Green arc.
  • Yellow Arc
  • White Arc

Frage 31

Frage
If an aircraft with a gross weight of 2,000 pounds was subjected to a 60° constant-altitude bank, the total load would be
Antworten
  • 3000 pounds
  • 4000 pounds
  • 12000 pounds

Frage 32

Frage
If the airplane attitude initially tends to return to its original position after the elevator control is pressed forward and released, the airplane displays
Antworten
  • Positive dynamic stability.
  • Positive static stability.
  • Neutral dynamic stability.

Frage 33

Frage
Longitudinal stability involves the motion of the airplane controlled by its
Antworten
  • Rudder
  • Elevator
  • Ailerons

Frage 34

Frage
Longitudinal dynamic instability in an airplane can be identified by
Antworten
  • Bank oscillations becoming progressively steeper.
  • Pitch oscillations becoming progressively steeper.
  • Trilatitudinal roll oscillations becoming progressively steeper.

Frage 35

Frage
If the airplane attitude remains in a new position after the elevator control is pressed forward and released, the airplane displays
Antworten
  • Neutral longitudinal static stability.
  • Positive longitudinal static stability.
  • Neutral longitudinal dynamic stability.

Frage 36

Frage
In a rapid recovery from a dive, the effects of load factor would cause the stall speed to
Antworten
  • Increase.
  • Decrease.
  • Not vary.

Frage 37

Frage
When turbulence is encountered during the approach to a landing, what action is recommended and for what primary reason?
Antworten
  • Increase the airspeed slightly above normal approach speed to attain more positive control.
  • Decrease the airspeed slightly below normal approach speed to avoid overstressing the airplane.
  • Increase the air speeds lightly above normal approach speed to penétrate the turbulence as quickly as possible.

Frage 38

Frage
Recovery from a stall in any airplane becomes more difficult when its
Antworten
  • Center of gravity moves forward.
  • Elevator trim is adjusted nosedown.
  • Center of gravity moves aft.

Frage 39

Frage
Why is it necessary to increase back elevator pressure to maintain altitude during a turn? To compensate for the
Antworten
  • Loss of the vertical component of lift.
  • Loss of the horizontal component of lift and the increase in centrifugal force.
  • Rudder deflection and slight opposite aileron throughout the turn.

Frage 40

Frage
If airspeed is increased during a level turn, what action would be necessary to maintain altitude? The angle of attack
Antworten
  • And angle of bank must be decreased.
  • Must be increased or angle of bank decreased.
  • Must be decreased or angle of bank increased.

Frage 41

Frage
Name the four fundamentals involved in maneuvering an aircraft.
Antworten
  • Power, pitch, bank, and trim.
  • Thrust, lift, turns, and glides.
  • Straight-and-level flight, turns, climbs, and descents.

Frage 42

Frage
A pilot's most immediate and vital concern in the event of complete engine failure after becoming airborne on takeoff is
Antworten
  • Maintaining a safe airspeed.
  • Landing directly into the wind.
  • Turning back to the takeoff field.

Frage 43

Frage
To increase the rate of turn and at the same time decrease the radius, a pilot should
Antworten
  • Maintain the bank and decrease airspeed.
  • Increase the bank and increase airspeed.
  • Increase the bank and decrease airspeed.

Frage 44

Frage
(Refer to figure 2.) Select the correct statement regarding stall speeds. The airplane will stall
Antworten
  • 10 knots higher in a power-on, 60° bank, with gear and flaps up, than with gear and flaps down.
  • 25 knots lower in a power-off, flaps-up, 60° bank, than in a power-off, flaps-down, wings-level configuration.
  • 10 knots higher in a 45° bank, power-on stall, than in a wings-level stall with flaps up.

Frage 45

Frage
An airplane leaving ground effect will
Antworten
  • Experience a reduction in ground friction and require a slight power reduction.
  • Experience an increase in induced drag and require more thrust.
  • Require a lower angle of attack to maintain the same lift coefficient.

Frage 46

Frage
One of the main functions of flaps during the approach and landing is to
Antworten
  • Decrease the angle of descent without increasing the airspeed.
  • Provide the same amount of lift at a slower airspe
  • Decrease lift, thus enabling a steeper-than-normal approach to be made.

Frage 47

Frage
The spoilers should be in what position when operating in a strong wind?
Antworten
  • Extended during both a landing roll or ground operation.
  • Retracted during both a landing roll or ground operation.
  • Extended during a landing roll, but retracted during a ground operation.

Frage 48

Frage
The purpose of wing spoilers is to decrease
Antworten
  • The drag.
  • Landing speed.
  • The lift of the wing.

Frage 49

Frage
Propeller efficiency is the
Antworten
  • Ratio of thrust horsepower to brake horsepower.
  • Actual distance a propeller advances in one revolution.
  • Ratio of geometric pitch to effective pitch.

Frage 50

Frage
In order to achieve single engine climb performance with an engine failed in most twin prop aircraft, it is essential to:
Antworten
  • Apply full power to the live engine (firewall)
  • Minimize drag (flaps, gear, feather prop)
  • Secure the failed engine

Frage 51

Frage
If the same angle of attack is maintained in ground effect as when out of ground effect, lift will
Antworten
  • increase, and induced drag will decrease.
  • decrease, and parasite drag will increase.
  • increase, and induced drag will increase

Frage 52

Frage
In order to achieve a zero sideslip condition with a failed engine on a propeller aircraft, the pilot must:
Antworten
  • Bank away from the live engine up to 5o
  • Center the ball on the turn and slip indicator
  • Bank into the live engine slightly

Frage 53

Frage
When dealing with aerodynamics, VMC refers to:
Antworten
  • Visual Meteorological Conditions
  • Minimum airspeed at which directional control can be maintained with the critical engine inoperative
  • Maximum airspeed at which an engine can be operated with one engine

Frage 54

Frage
On an aircraft without counter-rotating props, the left engine is considered to be the critical one to fail because of the following factors:
Antworten
  • Zero sideslip condition, engine windmilling and aft legal C of G.
  • P-factor, Accelerated slipstream, Spiraling slipstream and Torque
  • No power available Vs power required, yaw towards the left engine and sideslip

Frage 55

Frage
Every physical process of weather is accompanied by or is the result of
Antworten
  • A heat exchange.
  • The movement of air.
  • A pressure differentia.

Frage 56

Frage
What causes wind?
Antworten
  • The Earth’s rotation.
  • Air mass modification.
  • Pressure differences.

Frage 57

Frage
In the Northern Hemisphere, the wind is deflected to the
Antworten
  • Right by Coriolis force.
  • Right by surface friction.
  • Left by Coriolis force.

Frage 58

Frage
Why does the wind have a tendency to flow parallel to the isobars above the friction level?
Antworten
  • Coriolis force tends to counterbalance the horizontal pressure gradient.
  • Coriolis force acts perpendicular to a light connecting the highs and lows.
  • Friction of the air with the Earth deflects the air perpendicular to the pressure gradient.

Frage 59

Frage
What prevents air from flowing directly from high-pressure areas to low-pressure areas?
Antworten
  • Coriolis force.
  • Surface friction.
  • Pressure gradient force.

Frage 60

Frage
Which would increase the stability of an air mass?
Antworten
  • Warning from below.
  • Cooling from below.
  • Decrease in water vapor.

Frage 61

Frage
Which feature is associated with the tropopause?
Antworten
  • Constant height above the Earth.
  • Abrupt change in the temperature lapse rate.
  • Absolute upper limit of cloud formation.

Frage 62

Frage
A common location of clear air turbulence is
Antworten
  • In an upper trough on the polar side of a jet stream.
  • Near a ridge aloft on the equatorial side of a high-pressure flow.
  • South of an east/west oriented high-pressure ridge in its dissipating stage.

Frage 63

Frage
The jet stream and associated clear air turbulence can sometimes be visually identified in flight by
Antworten
  • Dust or haze at flight level.
  • Long streaks of cirrus clouds.
  • A constant outside air temperature.

Frage 64

Frage
During the winter months in the middle latitudes, the jet stream shifts toward the
Antworten
  • North and speed decreases.
  • South and speed increases.
  • North and speed increases.

Frage 65

Frage
Which type of jet stream can be expected to cause the greater turbulence?
Antworten
  • A straight jet stream associated with a low-pressure trough.
  • A curving jet stream associated with a deep low-pressure trough.
  • A jet stream occurring during the summer at the lower latitudes.

Frage 66

Frage
Which conditions are favorable for the formation of a surface based temperature inversion?
Antworten
  • Clear, cool nights with calm or light wind.
  • Area of unstable air rapidly transferring heat from the surface.
  • Broad areas of cumulus clouds with smooth, level bases at the same altitude.

Frage 67

Frage
The wind system associated with a low-pressure area in the Northern Hemisphere is
Antworten
  • An anticyclone and is caused by descending cold air.
  • A cyclone and is caused by Coriolis force.
  • An anticyclone and is caused by Coriolis force.

Frage 68

Frage
Which is the true with a respect to a high- or low-pressure system?
Antworten
  • A high-pressure area or ridge is an area of rising air.
  • A low-pressure area or trough is an area of descending air.
  • A high-pressure area or ridge is an area of descending air.

Frage 69

Frage
Which is the true regarding high- or low-pressure systems?
Antworten
  • A high-pressure area or ridge is an area of rising air.
  • A low-pressure area or trough is an area of rising air.
  • Both high- and low-pressure areas are characterized by descending air.

Frage 70

Frage
Which is true regarding actual air temperature and dew point temperature spread? The temperature spread
Antworten
  • Decreases as the relative humidity decreases.
  • Decreases as the relative humidity increases.
  • Increases as the relative humidity increases.

Frage 71

Frage
Moisture is added to a parcel of air by
Antworten
  • Sublimation and condensation.
  • Evaporation and condensation.
  • Evaporation and sublimation.

Frage 72

Frage
Which would decrease the stability of an air mass?
Antworten
  • Warming from below.
  • Cooling from below
  • Decrease in water vapor.

Frage 73

Frage
What determines the structure or type of clouds which will form as a result of air being forced to ascend?
Antworten
  • The method by which the air is lifted.
  • The stability of the air before lifting occurs.
  • The relative humidity of the air after lifting occurs.

Frage 74

Frage
When conditionally unstable air with high-moisture content and very warm surface temperature is forecast, one can expect what type of weather?
Antworten
  • Strong updrafts and stratonimbus clouds.
  • Restricted visibility near the surface over a large area.
  • Strong updrafts and cumulonimbus clouds.

Frage 75

Frage
f clouds form as a result of very stable, moist air being forced to ascend a mountain slope, the clouds will be
Antworten
  • Cirrus type with no vertical development or turbulence.
  • Cumulus type with considerable vertical development and turbulence.
  • Stratus type with little vertical development and little or no turbulence.

Frage 76

Frage
What type weather can one expect from moist, unstable air, and very warm surface temperatures?
Antworten
  • Fog and low stratus clouds.
  • Continuous heavy precipitation.
  • Strong updrafts and cumulonimbus clouds.

Frage 77

Frage
The conditions necessary for the formation of stratiform clouds are a lifting action and
Antworten
  • Unstable, dry air.
  • Stable, moist air.
  • Unstable, moist air.

Frage 78

Frage
Which cloud types would indicate convective turbulence?
Antworten
  • Cirrus clouds.
  • Nimbostratus clouds.
  • Towering cumulus clouds.

Frage 79

Frage
Which combination of weather-producing variables would likely result in cumuliform- type clouds, good visibility, and showery rain?
Antworten
  • Stable, moist air and orographic lifting.
  • Unstable, moist air and orographic lifting.
  • Unstable, moist air and no lifting mechanism

Frage 80

Frage
What are the characteristics of stable air?
Antworten
  • Good visibility, steady precipitation, stratus clouds.
  • Poor visibility, steady precipitation, stratus clouds.
  • Poor visibility, intermittent precipitation, cumulus clouds.

Frage 81

Frage
What is a characteristic of stable air?
Antworten
  • Stratiform clouds.
  • Fair weather cumulus clouds.
  • Temperature decreases rapidly with altitude.

Frage 82

Frage
When an air mass is stable, which of these conditions are most likely to exist?
Antworten
  • Numerous towering cumulus and cumulonimbus clouds.
  • Moderate to severe turbulence at the lower levels.
  • Smoke, dust, haze, etc., concentrated at the lower levels with resulting poor visibility.

Frage 83

Frage
Which is characteristic of stable air?
Antworten
  • Cumuliform clouds.
  • Excellent visibility.
  • Restricted visibility.

Frage 84

Frage
Which is a characteristic typical of a stable air mass?
Antworten
  • Cumuliform clouds.
  • Showery precipitation.
  • Continuous precipitation.

Frage 85

Frage
Which are characteristics of a cold air mass moving over a warm surface?
Antworten
  • Cumuliform clouds, turbulence, and poor visibility.
  • Cumuliform clouds, turbulence, and good visibility.
  • Stratiform clouds, smooth air, and poor visibility.

Frage 86

Frage
Which is true regarding a cold from occlusion? The air ahead of the warm front
Antworten
  • Is colder than the air behind the overtaking cold front.
  • Is warmer than the air behind the overtaking cold front.
  • Has the same temperature as the air behind the overtaking cold front.

Frage 87

Frage
The conditions most favorable to wave formation over mountainous areas are a layer of
Antworten
  • Stable air at mountaintop altitude and a wind of at least 20 knots blowing across the ridge.
  • Unstable air at mountaintop altitude and a wind of at least 20 knots blowing across the ridge.
  • Moist, unstable air at mountaintop altitude and a wind of less than 5 knots blowing across the ridge.

Frage 88

Frage
One of the most dangerous features of mountain waves is the turbulent areas in and
Antworten
  • Below rotor clouds.
  • Above rotor clouds.
  • Below lenticular clouds.

Frage 89

Frage
Virga is best described as
Antworten
  • Streamers of precipitation trailing beneath clouds which evaporates before reaching the ground.
  • Wall cloud torrents trailing beneath cumulonimbus clouds which dissipate before reaching the ground.
  • Turbulent areas beneath cumulonimbus clouds.

Frage 90

Frage
he most severe weather conditions, such as destructive winds, heavy hail, and tornadoes, are generally associated with.
Antworten
  • Slow-moving warm fronts which slope above the tropopause.
  • Squall lines.
  • Fast-moving occluded fronts.

Frage 91

Frage
If airborne radar is indicating an extremely intense thunderstorm echo, this thunderstorm should be avoided by a distance of at least
Antworten
  • 20 milles
  • 10 milles
  • 5 milles

Frage 92

Frage
What visible signs indicate extreme turbulence in thunderstorm?
Antworten
  • Base of the clouds near the surface, heavy rain, and hail.
  • Low ceiling and visibility, hail, and precipitation static.
  • Cumulonimbus clouds, very frequent lightning, and roll clouds.

Frage 93

Frage
Which weather phenomenon signals the beginning of the mature stage of a thunderstorm?
Antworten
  • The start of rain.
  • The appearance of an anvil top.
  • Growth rate of clouds is maximum.

Frage 94

Frage
What feature is normally associated with the cumulus stage of thunderstorm?
Antworten
  • Roll cloud.
  • Continuous updraft.
  • Beginning of rain at the surface.

Frage 95

Frage
During the life cycle of a thunderstorm, which stage is characterized predominately by downdrafts?
Antworten
  • Mature.
  • Developing.
  • Dissipating.

Frage 96

Frage
What minimum distance should exist between intense radar echoes before any attempt is made to fly between these thunderstorms?
Antworten
  • 20 milles
  • 30 milles
  • 40 milles

Frage 97

Frage
During an IFR cross-country flight you picked up rime icing which you estimate is 1/2 “ thick on the leading edge of the wings. You are now below the clouds al 2000 feet AGL and are approaching your destination airport under VFR. Visibility under the clouds is more than 10 miles, winds at the destination airport are 8 knots right down the runway, and the surface temperature is 3 degrees Celsius. You decide to:
Antworten
  • Use a faster than normal approach and landing speed.
  • Approach and land at your normal speed since the ice is not thick enough to have any noticeable effect.
  • Fly your approach slower than normal to lessen the “wind chill” effect and break up the ice.

Frage 98

Frage
Frost covering the upper surface of an airplane wing usually will cause.
Antworten
  • The airplane to stall at an angle of attack that is higher than normal.
  • The airplane to stall at an angle of attack that is lower than normal.
  • Drag factors so large that sufficient speed cannot be obtained for takeoff.

Frage 99

Frage
A characteristic of the stratosphere is
Antworten
  • An overall decrease of temperature with an increase in altitude.
  • A relatively even base altitude of approximately 35.000 feet.
  • Relatively small changes in temperature with an increase in altitude.

Frage 100

Frage
Which feature is associated with the tropopause?
Antworten
  • Absence of wind and turbulent conditions.
  • Absolute upper limit of cloud formation.
  • Abrupt change in temperature lapse rate.
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