5835827
Descrição
Quiz por tsampikos pompou, atualizado more than 1 year ago
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Criado por tsampikos pompou
quase 8 anos atrás
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Questão 1
Questão
135 . Hail is most likely to be associated with
Responda
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O cumulonimbus clouds.
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O cumulus clouds
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O stratocumulus clouds.
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O lenticularis clouds
Questão 2
Questão
136 Ice pellets encountered during flight are normally evidence that
Responda
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O freezing rain exists at higher altitude
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O a cold front has passed.
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O there are thunderstorms in the area.
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O there is a squal line in the area
Questão 3
Questão
137 Which statement is true regarding squall lines?
Responda
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O They are nonfrontal and often contain severe, steady-state thunderstorms.
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O They are always associated with cold fronts.
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O They are slow in forming, but rapid in movement.
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O None of the those
Questão 4
Questão
138 What is indicated if ice pellets are encountered at 8,000 feet?
Responda
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O Freezing rain at higher altitude,
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O You are approaching an area of thunderstorms.
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O You will encounter hail if you continue your flight
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O You will encounter turbulence
Questão 5
Questão
140 One of the most dangerous features of mountain waves [Fig.49], is the turbulent areas in and
Responda
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O below rotor clouds.
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O above rotor clouds.
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O below lenticular clouds.
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O above lenticular clouds
Questão 6
Questão
141 The conditions most favorable to wave formation over mountainous areas [Fig.40], are a layer of
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O stable air at mountaintop altitude and a wind of at least 20 knots blowing across the ridge.
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O unstable air at mountaintop altitude and a wind of at least 20 knots blowing across the ridge
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O moist, unstable air at mountaintop altitude and a wind of less than 5 knots blowing across the ridge.
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O None of those
Questão 7
Questão
142 During departure, under conditions of suspected low-level wind shear, a sudden decrease in headwind will cause
Responda
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O a loss in airspeed equal to the decrease in wind velocity.
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O a gain in airspeed equal to the decrease in wind velocity.
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O no change in airspeed, but groundspeed will decrease.
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O stalling
Questão 8
Questão
143 . What is an important characteristic of wind shear?
Responda
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O It can be present at any level and can exist in both a horizontal and vertical
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O It is present at only lower levels and exists in a horizontal direction.
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O It is present at any level and exists in only a vertical direction.
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O It is present at higher levels and can exist in a vertical direction
Questão 9
Questão
144 Low-level wind shear may occur when
Responda
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O there is a low-level temperature inversion with strong
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O surface winds are light and variable.
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O surface winds are above 15 knots and there is no change in wind direction and windspeed with height.
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O surface winds are above 30 knots
Questão 10
Questão
145 . If a temperature inversion is encountered immediately after takeoff or during an approach to a landing, a potential hazard exists due to
Responda
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O wind shear.
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O strong surface winds.
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O strong convective currents.
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O low visibility
Questão 11
Questão
146 . Winds at 3,000 feet……………………... AGL 32 kts
Surface winds……………………………………………………….Calm
While on approach for landing, under clear skies with convective turbulence a few hours after sunrise, one should
Responda
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O increase approach airspeed slightly above normal to avoid stalling.
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O keep the approach airspeed at or slightly below normal to compensate for floating.
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O not alter the approach airspeed, these conditions are nearly ideal.
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O none of the those
Questão 12
Questão
147 . The station originating the following METAR observation has a field elevation of 3,500 feet MSL If the sky cover is one continuous layer, what is the thickness of the cloud layer? (Top of overcast reported at 7,500 feet MSL)
METAR LGTP 151250Z 17006KT 4000 OVC005 13/11 A2998
Responda
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O 3,500 feet.
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O 2,500 feet.
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O 4,000 feet.
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O 3000 feet
Questão 13
Questão
148 What is meant by the Special METAR weather observation for LGTS?
SPECI LGTS 091854Z 32005KT 2000 RA BR OVC007
17/16 A2990 RMKRAB12
Responda
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O Rain and mist obstructing visibility; rain began at 1812Z.
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O Rain and fog obscuring two-tenths of the sky; rain began at 1912Z
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O Rain and overcast at 1,200 feet AGL.
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O Fog and overcast at 700 feet AGL
Questão 14
Questão
149 On a Surface Analysis Chart, the solid lines that depict sea level pressure patterns are called
Responda
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O isobars.
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O isogons.
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O millibars.
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O isotherms
Questão 15
Questão
150 The Surface Analysis Chart depicts
Responda
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O actual frontal positions, pressure patterns, temperature, dew point, wind, weather, and obstructions to vision at the valid time of the chart.
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O frontal locations and expected movement, pressure centers, cloud coverage, and obstructions to vision at the time of chart transmission.
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O actual pressure distribution, frontal systems, cloud heights and coverage, temperature, dew point, and wind at the time shown on the chart
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O wind, visibility, pressure, temperature and due point
Questão 16
Questão
151 On a Surface Analysis Chart, close spacing of the isobars indicates
Responda
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O strong pressure gradient.
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O weak pressure gradient.
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O strong temperature gradient.
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O weak temperature gradient
Questão 17
Questão
152 . What flight planning information can a pilot derive from Constant Pressure Analysis Charts?
Responda
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O Winds and temperatures aloft.
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O Clear air turbulence and icing conditions.
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O Frontal systems and obstructions to vision aloft.
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O Winds and icing conditions
Questão 18
Questão
153 What is the meaning of the terms PROB402102. +TSRA as used in a Terminal Aerodrome Forecast(TAF)?
Responda
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O Between 2100Z and 0200Z there is a forty percent (40%) probability of thunderstorms with heavy rain.
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O Probability of heavy thunderstorms with rain showers below 4,000 feet at time 2102.
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O Beginning at 2102Z forty percent (40%) probability of heavy thunderstorms and rain showers.
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O None of the above
Questão 19
Questão
154 What does the contraction VRB in the Terminal Aerodrome Forecast (TAF) mean?
Responda
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O Wind direction is variable.
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O Wind speed is variable throughout the period.
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O Cloud base is variable.
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O Visibility is variable
Questão 20
Questão
155 Terminal Aerodrome Forecasts (TAF) are issued how many times a day and cover what period of time?
Responda
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O Eight times daily and are usually valid for a 9 hour period.
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O Six times daily and are usually valid for a 12 hour period including a 4-hour categorical outlook.
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O Six times daily and are valid for 9 hours including a 6-hour categorical outlook.
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O Five times daily and are valid for a 6 hours period
Questão 21
Questão
156 Which is true with respect to a high- or low-pressure system?
Responda
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O A high-pressure area or ridge is an area of descending air.
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O A high-pressure area or ridge is an area of rising air.
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O A low-pressure area or trough is an area of descending air.
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O None of those
Questão 22
Questão
157 . The wind at 5,000 feet AGL is southwesterly while the surface wind is southerly. This difference in direction is primarily due to
Responda
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O friction between the wind and the surface.
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O stronger pressure gradient at higher altitudes.
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O stronger Coriolis force at the surface.
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O weaker Coriolis force at the surface
Questão 23
Questão
158 What is meant by the term dew point?
Responda
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O The temperature to which air must be cooled to become saturated.
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O The temperature at which condensation and evap¬oration are equal.
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O The temperature at which dew will always form.
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O The temperature at which relative humidity is 50%
Questão 24
Questão
159 . The amount of water vapor_wich air can hold depends on the
Responda
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O air temperature.
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O dewpoint.
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O stability of the air.
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O barometric pressure.
Questão 25
Questão
160 Clouds, fog, or dew will always form when
Responda
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O water vapor condenses,
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O water vapor is present.
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O relative humidity reaches 100 percent
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O relative humidity is more than 60 percent
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