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Question 19-1 : Roll clouds or rotors are likely to be experienced ? [ Assessment Canada ]

Along the leeward side of a mountain range.


Question 19-2 : During summer, on arriving to the specified area for your flight, you observe fog and sunlight slashes through the fog ?

The flight is possible at the end of the morning.

exemple 23 The flight is possible at the end of the morning.

Question 19-3 : Without wind, what would be the position of a wind indicator on an aerodrome ?

Completely vertical.

exemple 27 Completely vertical.

Question 19-4 : In meteorology, a low pressure area is called ?

A low.

exemple 31 A low.

Question 19-5 : In meteorology, a high pressure area is called ?

An anticylcone.

exemple 35 An anticylcone.

Question 19-6 : Always suspect turbulence in the presence of ?

A passing front.

exemple 39 A passing front.

Question 19-7 : There is a high probability for morning fog for the following conditions ?

High pressure system, with high humidity, light wind and a clear night.

exemple 43 High pressure system, with high humidity, light wind and a clear night.

Question 19-8 : The correct statement about the wind speed at altitude is ?

Winds are usually stronger at altitude.

exemple 47 Winds are usually stronger at altitude.

Question 19-9 : Thunderstorms are associated with a particular type of cloud, the cumulonimbus cb , generating winds ?

Very variables in direction variation of 180° possible and in speed strong gusts.

exemple 51 Very variables in direction (variation of 180° possible) and in speed (strong gusts).

Question 19-10 : A valley breeze anabatic effect generates a wind oriented towards ?

The top of the valley.

exemple 55 The top of the valley.

Question 19-11 : The sea breeze occurs ?

At forenoon and in the afternoon, from sea to land.


Question 19-12 : The land breeze occurring ?

At night, because the land is cooling faster than the sea.


Question 19-13 : A valley breeze anabatic effect is established when the slopes of surrounding mountains and hills ?

At day, warm up faster than the valley.


Question 19-14 : Condensation of a moist air mass will lead to the creation of ?

A cloud.

exemple 71 A cloud.

Question 19-15 : Convection is a phenomenon triggered by ?

A vertical movement of air under the effect of a diurna ground heating.

exemple 75 A vertical movement of air under the effect of a diurna ground heating.


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