5842829
Descripción
Test por tsampikos pompou, actualizado hace más de 1 año
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Creado por tsampikos pompou
hace casi 8 años
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Pregunta 1
Pregunta
312 Cloud described as 'a transparent whitish veil of fibrous or smooth appearance totally or partly covering the sky producing a halo phenomenon', indicates:
Respuesta
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O cirrostratus.
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O altostratus.
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O castellanus.
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O cumulonimbus
Pregunta 2
Pregunta
313 As a parcel of air rises, it cools by the process of:
Respuesta
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O adiabatic expansion.
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O expulsion of long-wave radiation.
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O conductive mixing.
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O freezing
Pregunta 3
Pregunta
314 The passage of a cold front means that the pressure:
Respuesta
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O rises
-
O falls
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O remains steady
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O depends on humidity
Pregunta 4
Pregunta
316 The heat energy required to change state, but not temperature, is called:
Respuesta
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O latent heat.
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O transient heat.
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O specific heat.
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O melting heat
Pregunta 5
Pregunta
317 [Fig.16] When is advection fog most likely to form?
Respuesta
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O When warm, moist air moves across a cold land surface and is cooled below its dewpoint temperature.
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O When warm, moist air moves across a warm sea surface and is cooled to saturation.
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O When dry, warm air moves across a cold sea causing evaporation and consequently condensation.
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O None of those
Pregunta 6
Pregunta
318 When a wind changes direction from northly to north-westerly, it is said to have:
Respuesta
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O backed in either hemisphere
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O backed in the northern hemisphere and veered in the southern hemisphere.
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O veered in either hemisphere.
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O veered in the northern hemisphere and backed in the southern hemisphere.
Pregunta 7
Pregunta
319 You depart from aerodrome of Kastelorizo (LGKJ), (situated 474 feet above mean sea level (AMSL) with a QNH of 1011 hpa set on the altimeter subscale. The flight is conducted towards an area of low pressure and you fail to update the subscale setting (due to being non-radio). You anticipate a visual landing at the aero¬drome οf Kasteli(LGTL). What will the altimeter read when the aircraft lands at the destination aerodrome, which has an elevation of 1180 feet AMSL, if the QNH is 994 hpa?
Respuesta
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O 1690
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O 1750
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O 950
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O 1197
Pregunta 8
Pregunta
320 Density will be low when the:
Respuesta
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O pressure is low and temperature is high.
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O pressure is low and temperature is low.
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O pressure is high and temperature is high.
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O pressure is high and temperature is low
Pregunta 9
Pregunta
321 A cumulonimbus with an anvil, signifies that the thunderstorm is in the:
Respuesta
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O decaying stage.
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O cumulus stage.
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O mature stage.
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O none of those.
Pregunta 10
Pregunta
322 The force that causes a parcel of air to start moving from an area of high pressure to an area of low pressure is called the:
Respuesta
-
O pressure gradient force.
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O Coriolis force.
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O gradient force.
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O centrifugal force
Pregunta 11
Pregunta
323 If maritime air is heated from below, as it moves from its source region, it is likely to become:
Respuesta
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O unstable.
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O conditionally unstable.
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O stable.
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O none of those.
Pregunta 12
Pregunta
324 The rate of decrease of temperature in rising saturated air is less than for rising unsaturated air. Why is this the case?
Respuesta
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O Latent heat is released during the condensation process, and therefore warms the surrounding air, reducing the rate of temperature decrease.
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O Saturated air rises more slowly, with a resultant decrease in the rate of cooling.
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O Saturated air resists mixing with the cooler upper air.
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O Saturated air is more dence
Pregunta 13
Pregunta
325 The temperature at 10,000 feet above mean sea level (AMSL) in the International Standard Atmosphere (ISA) should be:
Respuesta
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O -5°C.
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O -10°C.
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O -15°C.
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O d -20?C
Pregunta 14
Pregunta
326 The heating of the atmosphere is caused by:
Respuesta
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O long-wave radiation from the surface of the Earth.
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O reflected radiation from the Earth's surface.
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O direct short-wave radiation from the Sun.
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O the latent heat of the water vapor
Pregunta 15
Pregunta
327 The determined surface temperature is +13°C and at 4000 feet it is +6°C. The state of the atmosphere may be described as:
Respuesta
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O conditionally unstable.
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O unstable.
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O stable.
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O neutrally stable
Pregunta 16
Pregunta
328 The amount of water vapour that air can hold is determined by its:
Respuesta
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O temperature.
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O density.
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O pressure.
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O dew point
Pregunta 17
Pregunta
329 The approximate height (AMSL) of the tropopause in the 'average' ISA is:
Respuesta
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O 36,000 feet.
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O 24,000 feet.
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O 60,000 feet.
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O 11,000 feet
Pregunta 18
Pregunta
330 A powerful wind over a mountain range which causes rotor cloud and strong downdraughts, may be marked by:
Respuesta
-
O lenticularis.
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O stratus.
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O cumulus.
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O cumulonimbus
Pregunta 19
Pregunta
331 Given a surface temperature of +22°C and a dewpoint of +10°C, at approxi¬mately what height is the base of any cumuliform cloud likely to be?
Respuesta
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O 5000 feet.
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O 3500 feet.
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O 2500 feet.
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O 3000 feet
Pregunta 20
Pregunta
332 Which of the following never appear in a TAF?
Respuesta
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O Both, temperature/dew pt and QNH.
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O Temperature/dewpoint.
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O QNH.
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O wind
Pregunta 21
Pregunta
333 The stability of the atmosphere is likely to be reduced when:
Respuesta
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O it is warmed from below.
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O water vapour is removed from it.
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O it is cooled from below.
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O it is warmed from upper
Pregunta 22
Pregunta
334 What does the following illustration depict?
(See Fig.33)
Respuesta
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O A cold occlusion.
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O A warm occlusion.
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O A warm front
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O A cold front
Pregunta 23
Pregunta
335 In the international Standard Atmoshere the mean sea level pressure equates to:
Respuesta
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O 29.92 inches of mercury.
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O 14.7 grammes per square inch.
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O 1225 hPa
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O 1021 hPa
Pregunta 24
Pregunta
336 The Katabatic wind is:
Respuesta
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O much stronger than the Anabatic wind.
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O much weaker than the Anabatic wind.
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O approximately the same strength as the Anabatic wind.
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O none of those
Pregunta 25
Pregunta
337 As a warm front passes, the weather gradually becomes:
Respuesta
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O moderate continuous rain changing to intermittent slight drizzle
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O moderate continuous rain changing to rain showers.
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O slight showers changing to moderate continuous drizzle.
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O none of those
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