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Quiz von tsampikos pompou, aktualisiert more than 1 year ago
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Frage 1
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58 Favourable conditions for a Cb cloud to develop are:
Antworten
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O a deep layer of very unstable moist next to the surface
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O a shallow layer of very unstable moist air next to the surface
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O a deep layer of very stable moist air next to the surface
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O stable air up to 30000ft and very unstable above it
Frage 2
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59 Relatively warmer dry air flows over a water body and absorbs water vapour. Then it becomes:
Antworten
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O less dense and rises
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O more dense and more stable
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O warmer and more stable
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O saturated and its centre of mass descends
Frage 3
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60 A cold, moist and unstable air mass arriving over north-west Europe could be:
Antworten
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O Polar maritime
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O Tropical maritime
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O Arctic continental
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O Returning Tropical continental
Frage 4
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61 Precipitation produced by St cloud is normally:
Antworten
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O Drizzle
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O Shower of rain
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O Shower of snow, given that above 10000 ft the ambient air temperature is negative
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O Heavy rain
Frage 5
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62 In a col:
Antworten
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O there are no standard weather phenomena
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O strong surface winds are always expected
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O heavy TS is the typical weather
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O nothing of the aforementioned is true
Frage 6
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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:
Antworten
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O to fly at a progressively lower altitude than the indicated one
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O to fly into radiation fog at the same altitude as the indicated altitude
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O to fly at the same altitude as the indicated altitude
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O to fly at a progressively higher altitude than the indicated one
Frage 7
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64 Orographic lifting, when applied on an unstable air mass, normally will produce:
Antworten
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O cumuliform clouds
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O stratiform clouds, mainly St
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O lenticular clouds
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O Cc clouds
Frage 8
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65 Favourable conditions for the formation of advection fog are usually:
Antworten
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O a warm moist air mass cooled to below its dewpoint flowing over a much colder surface by light to moderate winds
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O a cold moist air mass flowing across a much warmer surface by light to moderate winds
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O moist air mass in contact with the ground, in light wind conditions on a cloudless night
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O moist air mass in contact with the ground, in at least moderate wind conditions and intense sunshine
Frage 9
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66 Within a warm sector of a depression we would normally expect:
Antworten
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O Poor visibility both above and below extensive stratiform clouds
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O Good visibility above and below extensive stratiform clouds
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O Good visibility below BKN heap clouds
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O Poor visibility above Ns cloud but moderate to good visibility below
Frage 10
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67 Carburettor icing is possible, under certain conditions, in ambient air temperature as high as:
Antworten
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O +30 °C
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O +5 °C
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O +10 °C
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O +20 °C
Frage 11
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68 Etesian is:
Antworten
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O the name of winds of generally north direction over the Aegean from May to early October
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O a strong cold N or NW wind which blows into the Gulf of Lions in the NW Mediterranean
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O a local wind over the eastern shores of Adriatic
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O a hot wind blowing northwards from Africa to the Mediterranean
Frage 12
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69 The term CAVOK in a TAF or METAR implies:
Antworten
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O visibility >=10km and no cloud below 5000ft, given that the minimum sector altitude is not a determining factor
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O visibility >=10km and less than SCT clouds below 5000ft
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O visibility >=10nm and no cloud below 5000ft, given that the minimum sector altitude is not a determining factor
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O visibility >=10nm and clear sky
Frage 13
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70 A VOLMET is defined as:
Antworten
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O a continuous radio broadcast of selected aerodromes' actual weather observations and forecasts
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O a radio transmission of a requested aerodrome actual weather observation and forecast
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O a continuous telephone message of selected aerodrome TAFs
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O a radio broadcast of selected aerodromes' forecasts
Frage 14
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71 The weather group +SHSNRA in a TAF implies:
Antworten
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O heavy showers of snow and rain
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O slight showers of snow and rain
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O slight showers of snow becoming rain close to the surface
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O heavy showers of snow becoming rain close to the surface
Frage 15
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72 The following is true for a quasi-stationary front:
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O all the other answers are true
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O it is almost stationary
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O sometimes it is actually stationary
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O its position appears almost unchanged in successive synoptic charts
Frage 16
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73 Usually the speed of a warm front is:
Antworten
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O 2/3 of that of a cold front
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O 1/4 of that of a cold front
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O 1/3 of that of a cold front
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O 1/5 of that of a cold front
Frage 17
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74 The symbol below appearing on a Significant Weather Chart means:
Antworten
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O thunderstorms
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O moderate icing
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O moderate turbulence
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O fog patches
Frage 18
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75 The correct decoding of the section «BECMG FM 1200 + RASH» in a METAR would be:
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O becoming from 1200 UTC heavy rain showers
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O from 1200 UTC heavy rain will commence
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O from 1200 UTC the prevailing rain, gradually will become sleet
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O visibility due to rain and snow will be reduced to 1200 m (fm value)
Frage 19
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76 The symbol below appearing on a Significant Weather Chart means:
Antworten
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O moderate icing
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O moderate turbulence
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O thunderstorms
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O fog patches
Frage 20
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77 The several coloured rings around the sun or moon, known as a Halo, suggest the presence of :
Antworten
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O High clouds
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O Low clouds
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O Medium clouds
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O Heap clouds
Frage 21
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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:
Antworten
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O fly higher
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O fly lower
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O fly pitching down
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O fly exactly at the top of the mist layer
Frage 22
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79 The term TEMPO in a TAF is interpreted as:
Antworten
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O temporary fluctuations that will last for less than an hour and in aggregate less than half of the period indicated
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O temporary fluctuations lasting less than an hour and in aggregate more than half of the period indicated
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O temporarily the phenomena described in the sequel will become more intense
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O a temporary variation to the main forecast lasting for less than half of the forecast period
Frage 23
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80 At 4000ft AMSL the temperature is +2°C. Compared with the International Standard Atmosphere (ISA) temperature at the same position, it is:
Antworten
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O ISA-5
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O ISA+5
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O ISA+8
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O ISA-8
Frage 24
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81 In a barometric Low, when warmer air replaces cold air at the surface we have a:
Antworten
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O warm front, whose slope is normally 1:150
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O cold front, whose slope is normally 1:150
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O cold front, whose slope is normally 1:50
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O warm front, whose slope is normally 1:50
Frage 25
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82 During the dissipating stage of a thunderstorm cloud the downdrafts become:
Antworten
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O most prevalent
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O weaker
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O less in number
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O vanishing
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