5836648
Description
Quiz by tsampikos pompou, updated more than 1 year ago
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Created by tsampikos pompou
almost 8 years ago
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Question 1
Question
211 Stratus cloud of limited depth at a temperature of -5C will most likely give:
Answer
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O Light to moderate rime ice
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O Moderate to heavy rime ice
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O Light to moderate glaze ice
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O Moderate to heavy glaze ice
Question 2
Question
212 Frontal fog is most likely to:
Answer
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O Form ahead of a warm front
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O Form ahead of a vigorous fast moving cold front
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O Form on a vigorous cold front and last for many hours
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O Form to the rear of a warm front but only last for 1 to 2 hours
Question 3
Question
213 Two factors which contribute to the formation of radiation fog are:
Answer
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O A high relative humidity and clear night skies
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O A high relative humidity and no wind
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O Clear night skies and a low relative humidity
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O A light wind (5 to 8 knots) and good cloud cover
Question 4
Question
214 For a given pressure gradient the strongest wind will be the…………………………. wind, around a ……………………. pressure region in latitude………………………….. The words to fill in the blanks are:
Answer
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O Gradient high 30N
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O Geostrophic low 30N
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O Gradient high 60N
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O Geostrophic low 60N
Question 5
Question
215 A katabatic wind is a wind which:
Answer
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O Flows down a hill or mountain during the night
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O Flows up a hill or mountain during the day
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O Flows up a hill or mountain during the night
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O Flows down a hill or mountain during the day
Question 6
Question
216 What is the forecast weather for the period 1700-1800 UTC? FCGR31 LGAT 1019 20018G30KT 9999 RA SCT050 BKN080 TEMPO 1015 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010 =
Answer
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O Rain
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O Light drizzle
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O Rain and intermittent drizzle
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O Rain and continuous drizzle
Question 7
Question
217 FCGR31 LGAT 1019 20018G30KT 9999 RA SCT050 BKN080 TEMPO 1015 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010 =The forecast visibility for the period 1200-1500 UTC is:
Answer
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O More than 10km, temporarily 6000m
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O More than 10km becoming 4000m
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O More than 10km becoming 6000m
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O 6000m becoming 4000m
Question 8
Question
218 Hail occurs when:
Answer
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O Supercooled water droplets freeze
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O Water vapour changes directly into ice
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O Rain drops freeze on falling from a CB
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O Snowflakes melt and then re-freeze
Question 9
Question
219 . Which of the following best describes the first stage of development of sea breeze?
Answer
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O Pressure intially rises over the land
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O Temperature initially falls over the land
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O Warm air rises over land so cold air moves in from the sea to replace it
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O Pressure initially falls at the surface over the sea
Question 10
Question
220 A TAF Time Group 1019 means that the TAF:
Answer
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O is valid from 1000 to 1900 UTC.
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O is valid from 1000 to 1900 local time.
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O was observed at 1219 UTC.
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O was issued at 1019 UTC.
Question 11
Question
221 An aerodrome METAR for 0350 UTC during November in Greece is:
SA GR31 LGLR
Surface wind 15005kt
Visibility 2000m
Weather Nil
Temperture 9?C
Dewpoint 8?C
QNH 1024 hPa
Trend NOSIG
Given that sunrise is at 0500UTC, during the two hours following the report, the most probable meteorological condition to develop would be:
Answer
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O radiation fog
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O CAVOK
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O Advection fog
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O a very low cloud base
Question 12
Question
222 Lenticular clouds observed above the top of a range of hills or mountain tops [Fig.42], as seen from an A/C that is approaching from the leeward side of the range, indicate the possibility of:
Answer
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O strong downdraughts immediately before the ridge of the range is reached, with turbulence and strong updraughts after passing the ridge to the windward side.
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O strong katabatic up currents above the tops of the hills.
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O strong katabatic downdraughts and turbulence after the ridge is passed.
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O strong anabatic up currents above the tops of the hills.
Question 13
Question
223 Seen from the surface, the passage of a warm front in Europe is characterised by which of the following cloud types?
Answer
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O Cirrus, Cirrostratus, Altostratus, Nimbostratus, Stratus.
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O Cirrus, Cirrocumulus, Altocumulus, Altostratus Cumulus, Cumulus Fractus.
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O Cirrostratus, Cirrocumulus, Cumulus, Nimbostratus, Fractostratus.
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O Cirrostratus, Cirrocumulus, Altostratus, Nimbocumulus, Stratus.
Question 14
Question
224 Which of the following frontal systems is more likely to produce thunderstorm activity?
Answer
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O A cold front.
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O A warm front.
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O A ridge of high pressure.
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O An occluded front.
Question 15
Question
225 A low level inversion causing a mist layer severely reduces your forward visibility of the surface when operating at about 2000ft. To improve your view of the ground ahead you should:
Answer
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O fly higher.
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O fly as close as possible to the upper surface of the haze layer.
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O fly lower.
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O fly slower.
Question 16
Question
226 Select the following list that describes cloud types in the ascending order of Low, Medium and High?
Answer
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O Nimbostratus, Altocumulus, Cirrus.
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O Stratus, Cumulonimbus, Cirrocumulus.
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O Cumulonimbus, Stratocumulus, Nimbostratus
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O Altocumulus, Cumulus.
Question 17
Question
227 Hazards to aviation due to the presence of cumulonimbus or thunderstorm
Answer
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O when the aircraft is within 10nm of the cloud.
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O only when the aircraft is within the cloud.
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O only when the aircraft is within or underneath the cloud.
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O within 10nm of the cloud around its mid level prior to maturity.
Question 18
Question
228 Hail is most likely to be produced by:
Answer
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O CB
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O AC
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O NS
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O SC
Question 19
Question
229 Which of the following is normally associated with drizzle?
Answer
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O Stratus.
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O Cumulonimbus and nimbostratus.
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O Cirrostratus and stratocumulus.
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O Nimbostratus.
Question 20
Question
230 In Greece, the surface wind following the passage of a warm front will normally:
Answer
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O veer.
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O back.
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O remain the same.
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O reverse direction to correspond with the isobaric pattern and pressure gradient.
Question 21
Question
231 The wind at 10OOft during the day at an inland aerodrome iwas 33015kt. Using a rule of thumb, what would you expect the surface wind to have been?
Answer
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O 31012kt.
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O 35008kt.
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O 3201 Okt.
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O 30005kt
Question 22
Question
232 Below the tropopause, the International Standard Atmosphere (ISA) assumed values are:
Answer
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O a mean sea level pressure of 1013.25mb together with a mean sea level temperature of +15°C decreasing at the rate of 1.98°C/1000ft until it reaches -56.5°C at 36090ft above which it remains constant.
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O a surface density of 1013.25mb, a mean sea level temperature of 15°C decreasing at the rate of 1.98°C/1000ft until it reaches -56.5°C at 36090ft above which it remains constant.
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O a surface pressure of 1013.25mb together with a sea level temperature of 15°C decreasing at the rate of 1.98°C per 1000ft until it reaches absolute zero (-273°C) at 44200 metres above which it remains constant.
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O a surface pressure of 15 Ib/in2 together with a sea level temperature of 15°C decreasing at the rate of 2°C per 1000ft until it reaches a minimum at 36090ft above which it remains constant
Question 23
Question
233 At about 1400UTC under clear skies at an inland aerodrome, the surface wind was observed to be 22025kt. The most likely wind velocity at 2000ft agl would be:
Answer
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O 24035kt.
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O 26040kt.
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O 22020kt.
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O 23030kt.
Question 24
Question
234 The temperature at 2000ft amsl is forecast to be +5°C: compared to the International Standard Atmosphere (ISA) this is:
Answer
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O ISA-6.
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O IAS+6.
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O ISA+5.
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O ISA-4.
Question 25
Question
235 A low level temperature inversion, for example between the surface and 2000ft agl, may produce:
Answer
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O turbulence between the surface and 2000ft.
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O an on-shore breeze at night.
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O good visibility by day due to a steep temperature gradient.
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O light to moderate icing if the inversion prevails after sunset due to warmer air aloft and associated high moisture content.
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