Questão 1
Questão
58 Favourable conditions for a Cb cloud to develop are:
Responda
-
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
Questão 2
Questão
59 Relatively warmer dry air flows over a water body and absorbs water vapour. Then it becomes:
Questão 3
Questão
60 A cold, moist and unstable air mass arriving over north-west Europe could be:
Questão 4
Questão
61 Precipitation produced by St cloud is normally:
Questão 5
Responda
-
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
Questão 6
Questão
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:
Responda
-
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
Questão 7
Questão
64 Orographic lifting, when applied on an unstable air mass, normally will produce:
Questão 8
Questão
65 Favourable conditions for the formation of advection fog are usually:
Responda
-
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
Questão 9
Questão
66 Within a warm sector of a depression we would normally expect:
Responda
-
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
Questão 10
Questão
67 Carburettor icing is possible, under certain conditions, in ambient air temperature as high as:
Responda
-
O +30 °C
-
O +5 °C
-
O +10 °C
-
O +20 °C
Questão 11
Responda
-
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
Questão 12
Questão
69 The term CAVOK in a TAF or METAR implies:
Responda
-
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
Questão 13
Questão
70 A VOLMET is defined as:
Responda
-
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
Questão 14
Questão
71 The weather group +SHSNRA in a TAF implies:
Responda
-
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
Questão 15
Questão
72 The following is true for a quasi-stationary front:
Responda
-
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
Questão 16
Questão
73 Usually the speed of a warm front is:
Responda
-
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
Questão 17
Questão
74 The symbol below appearing on a Significant Weather Chart means:
Responda
-
O thunderstorms
-
O moderate icing
-
O moderate turbulence
-
O fog patches
Questão 18
Questão
75 The correct decoding of the section «BECMG FM 1200 + RASH» in a METAR would be:
Responda
-
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)
Questão 19
Questão
76 The symbol below appearing on a Significant Weather Chart means:
Responda
-
O moderate icing
-
O moderate turbulence
-
O thunderstorms
-
O fog patches
Questão 20
Questão
77 The several coloured rings around the sun or moon, known as a Halo, suggest the presence of :
Responda
-
O High clouds
-
O Low clouds
-
O Medium clouds
-
O Heap clouds
Questão 21
Questão
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:
Questão 22
Questão
79 The term TEMPO in a TAF is interpreted as:
Responda
-
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
Questão 23
Questão
80 At 4000ft AMSL the temperature is +2°C. Compared with the International Standard Atmosphere (ISA) temperature at the same position, it is:
Responda
-
O ISA-5
-
O ISA+5
-
O ISA+8
-
O ISA-8
Questão 24
Questão
81 In a barometric Low, when warmer air replaces cold air at the surface we have a:
Responda
-
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
Questão 25
Questão
82 During the dissipating stage of a thunderstorm cloud the downdrafts become:
Responda
-
O most prevalent
-
O weaker
-
O less in number
-
O vanishing