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3 METEO. EXAM. PREP.

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3 METEO. EXAM. PREP.
tsampikos pompou
Quiz by tsampikos pompou, updated more than 1 year ago
tsampikos pompou
Created by tsampikos pompou almost 8 years ago
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Question 1

Question
58 Favourable conditions for a Cb cloud to develop are:
Answer
  • O a deep layer of very unstable moist next to the surface
  • O a shallow layer of very unstable moist air next to the surface
  • O a deep layer of very stable moist air next to the surface
  • O stable air up to 30000ft and very unstable above it

Question 2

Question
59 Relatively warmer dry air flows over a water body and absorbs water vapour. Then it becomes:
Answer
  • O less dense and rises
  • O more dense and more stable
  • O warmer and more stable
  • O saturated and its centre of mass descends

Question 3

Question
60 A cold, moist and unstable air mass arriving over north-west Europe could be:
Answer
  • O Polar maritime
  • O Tropical maritime
  • O Arctic continental
  • O Returning Tropical continental

Question 4

Question
61 Precipitation produced by St cloud is normally:
Answer
  • O Drizzle
  • O Shower of rain
  • O Shower of snow, given that above 10000 ft the ambient air temperature is negative
  • O Heavy rain

Question 5

Question
62 In a col:
Answer
  • O there are no standard weather phenomena
  • O strong surface winds are always expected
  • O heavy TS is the typical weather
  • O nothing of the aforementioned is true

Question 6

Question
63 An a/c is flying at constant indicated altitude, experiencing a permanent drift to the right. Given that the altimeter sub-scale has not been updated, the pilot expects:
Answer
  • O to fly at a progressively lower altitude than the indicated one
  • O to fly into radiation fog at the same altitude as the indicated altitude
  • O to fly at the same altitude as the indicated altitude
  • O to fly at a progressively higher altitude than the indicated one

Question 7

Question
64 Orographic lifting, when applied on an unstable air mass, normally will produce:
Answer
  • O cumuliform clouds
  • O stratiform clouds, mainly St
  • O lenticular clouds
  • O Cc clouds

Question 8

Question
65 Favourable conditions for the formation of advection fog are usually:
Answer
  • O a warm moist air mass cooled to below its dewpoint flowing over a much colder surface by light to moderate winds
  • O a cold moist air mass flowing across a much warmer surface by light to moderate winds
  • O moist air mass in contact with the ground, in light wind conditions on a cloudless night
  • O moist air mass in contact with the ground, in at least moderate wind conditions and intense sunshine

Question 9

Question
66 Within a warm sector of a depression we would normally expect:
Answer
  • O Poor visibility both above and below extensive stratiform clouds
  • O Good visibility above and below extensive stratiform clouds
  • O Good visibility below BKN heap clouds
  • O Poor visibility above Ns cloud but moderate to good visibility below

Question 10

Question
67 Carburettor icing is possible, under certain conditions, in ambient air temperature as high as:
Answer
  • O +30 °C
  • O +5 °C
  • O +10 °C
  • O +20 °C

Question 11

Question
68 Etesian is:
Answer
  • O the name of winds of generally north direction over the Aegean from May to early October
  • O a strong cold N or NW wind which blows into the Gulf of Lions in the NW Mediterranean
  • O a local wind over the eastern shores of Adriatic
  • O a hot wind blowing northwards from Africa to the Mediterranean

Question 12

Question
69 The term CAVOK in a TAF or METAR implies:
Answer
  • O visibility >=10km and no cloud below 5000ft, given that the minimum sector altitude is not a determining factor
  • O visibility >=10km and less than SCT clouds below 5000ft
  • O visibility >=10nm and no cloud below 5000ft, given that the minimum sector altitude is not a determining factor
  • O visibility >=10nm and clear sky

Question 13

Question
70 A VOLMET is defined as:
Answer
  • O a continuous radio broadcast of selected aerodromes' actual weather observations and forecasts
  • O a radio transmission of a requested aerodrome actual weather observation and forecast
  • O a continuous telephone message of selected aerodrome TAFs
  • O a radio broadcast of selected aerodromes' forecasts

Question 14

Question
71 The weather group +SHSNRA in a TAF implies:
Answer
  • O heavy showers of snow and rain
  • O slight showers of snow and rain
  • O slight showers of snow becoming rain close to the surface
  • O heavy showers of snow becoming rain close to the surface

Question 15

Question
72 The following is true for a quasi-stationary front:
Answer
  • O all the other answers are true
  • O it is almost stationary
  • O sometimes it is actually stationary
  • O its position appears almost unchanged in successive synoptic charts

Question 16

Question
73 Usually the speed of a warm front is:
Answer
  • O 2/3 of that of a cold front
  • O 1/4 of that of a cold front
  • O 1/3 of that of a cold front
  • O 1/5 of that of a cold front

Question 17

Question
74 The symbol below appearing on a Significant Weather Chart means:
Image:
7668b4f5-a2d0-4342-ae64-af2d13247fac (image/jpeg)
Answer
  • O thunderstorms
  • O moderate icing
  • O moderate turbulence
  • O fog patches

Question 18

Question
75 The correct decoding of the section «BECMG FM 1200 + RASH» in a METAR would be:
Answer
  • O becoming from 1200 UTC heavy rain showers
  • O from 1200 UTC heavy rain will commence
  • O from 1200 UTC the prevailing rain, gradually will become sleet
  • O visibility due to rain and snow will be reduced to 1200 m (fm value)

Question 19

Question
76 The symbol below appearing on a Significant Weather Chart means:
Image:
8aafeb4f-e999-4155-a001-1b401f8a2f2a (image/jpeg)
Answer
  • O moderate icing
  • O moderate turbulence
  • O thunderstorms
  • O fog patches

Question 20

Question
77 The several coloured rings around the sun or moon, known as a Halo, suggest the presence of :
Answer
  • O High clouds
  • O Low clouds
  • O Medium clouds
  • O Heap clouds

Question 21

Question
78 A low level inversion has caused a mist layer, which reduces severely the forward visibility to see the surface. Given that the a/c is flying approximately at 2000ft, what do you suggest the pilot to do, to improve his view of the ground ahead of the a/c:
Answer
  • O fly higher
  • O fly lower
  • O fly pitching down
  • O fly exactly at the top of the mist layer

Question 22

Question
79 The term TEMPO in a TAF is interpreted as:
Answer
  • O temporary fluctuations that will last for less than an hour and in aggregate less than half of the period indicated
  • O temporary fluctuations lasting less than an hour and in aggregate more than half of the period indicated
  • O temporarily the phenomena described in the sequel will become more intense
  • O a temporary variation to the main forecast lasting for less than half of the forecast period

Question 23

Question
80 At 4000ft AMSL the temperature is +2°C. Compared with the International Standard Atmosphere (ISA) temperature at the same position, it is:
Answer
  • O ISA-5
  • O ISA+5
  • O ISA+8
  • O ISA-8

Question 24

Question
81 In a barometric Low, when warmer air replaces cold air at the surface we have a:
Answer
  • O warm front, whose slope is normally 1:150
  • O cold front, whose slope is normally 1:150
  • O cold front, whose slope is normally 1:50
  • O warm front, whose slope is normally 1:50

Question 25

Question
82 During the dissipating stage of a thunderstorm cloud the downdrafts become:
Answer
  • O most prevalent
  • O weaker
  • O less in number
  • O vanishing
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