5835433
Description
Quiz by tsampikos pompou, updated more than 1 year ago
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Created by tsampikos pompou
over 8 years ago
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Question 1
Question
1 In cold air, the rate of reduction of the barometric pressure as height AGL increases is:
Answer
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O higher than in warm air.
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O the same as in warm air.
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O less than in warm air.
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O there is no rule.
Question 2
Question
2 Throughout the 24 hours the Relative Humidity can be expected to :
Answer
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O increase during the night and decrease during the day.
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O increase during the day and decrease during the night.
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O there is no rule.
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O changes only in case of an approaching cold front.
Question 3
Question
3 Cloud formation can be performed:
Answer
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O all the rest are true.
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O by advection cooling.
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O by radiation cooling.
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O by adiabatic expansion of the air parcel.
Question 4
Question
4 In case of mist, visibility:
Answer
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O is not less than 1000m.
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O is less than 1000m.
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O is over 5000m.
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O is over 10000m.
Question 5
Question
5 For given distance of the isobars, the wind speed is greater:
Answer
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O around a High pressure centre.
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O in case of parallel isobars.
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O around a Low pressure centre.
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O has the same speed around High and Low pressure centre.
Question 6
Question
6 Haze in summer is usually expected:
Answer
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O at the central area of a High pressure system .
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O at the central area of a Low pressure system.
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O at a trough axis.
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O below a jet stream.
Question 7
Question
7 Cold Front typical weather is:
Answer
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O showers and thunderstorms
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O rain
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O fog
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O clear sky
Question 8
Question
8 Occluded Front typical weather is:
Answer
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O showers and thunderstorms
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O rain
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O fog
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O clear sky
Question 9
Question
9 Warm Front typical weather is:
Answer
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O rain.
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O fog.
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O clear sky.
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O showers and thunderstorms.
Question 10
Question
10 Geostrophic wind is the wind under the influence of the following forces:
Answer
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O Pressure Gradient and Coriolis Force.
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O Pressure Gradient Force.
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O Coriolis.
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O Friction.
Question 11
Question
11 Poor visibility is usually the result of:
Answer
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O stability and very light surface wind.
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O steep environmental lapse rate.
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O severe low level turbulence.
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O instability and strong surface wind.
Question 12
Question
13 An aircraft is approaching at the airport. At altitude 1000 ft, on final, the wind is from 110° at 40 kt. What is the expected wind at the runway threshold?
Answer
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O 90?/20 kt
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O 130?/20 kt
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O 130?/60 kt
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O 90?/60 kt
Question 13
Question
14 Coriolis force:
Answer
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O is zero at the equator.
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O is zero at the poles.
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O deflects every moving object to the left in Northern Hemisphere.
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O is due to pressure gradient among two areas.
Question 14
Question
15 Which meteorological message the forecasted ground visibility is mentioned in?
Answer
-
O TAF
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O AERODROME WARNING
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O SIGMET
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O in AERODROME WARNING and SIGMET
Question 15
Question
16 The associated phenomena with cold fronts are:
Answer
-
O showers-thunderstorms
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O rain - drizzle
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O rain -showers
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O rain - thunderstorms
Question 16
Question
17 When the wind vector is changing with height there is :
Answer
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O vertical wind shear
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O an inversion.
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O horizontal wind shear
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O downdraught
Question 17
Question
18 Which element of a frontal system arrives first at a place towards to it moves?
Answer
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O the Warm front
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O the Warm sector
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O the Cold front
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O depends on ground temperature
Question 18
Question
19 Advection fog is possible:
Answer
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O any time
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O two hours after sunrise
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O two hours before sunset
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O two hours after sunset
Question 19
Question
21 The term CAVOK in a METAR implies:
Answer
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O visibility over 10 km and no clouds below 5000 ft.
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O clear sky and no turbulence.
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O visibility over 5 km and no clouds below 3000 ft.
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O clear sky, in general.
Question 20
Question
22 Which of the following is issued every 9 hours and provides a 12 hours forecast?
Answer
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O clear sky, in general.
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O SIGMET
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O METAR
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O VOLMET
Question 21
Question
23 The following message«FC 201500Z 201601 05005KT 5000 SCT013 OVC028 BECMG 2124 2500BR» implies:
Answer
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O from 21:00 to 24:00 visibility will become limited to 2500 m, due to mist.
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O wind from 50?, 50 kt.
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O QNH 28 inHg.
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O visibility 5000 ft.
Question 22
Question
24 Which of the following is issued every half an hour and provides a TREND type forecast:
Answer
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O METAR
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O SPECI
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O ATIS
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O TAF
Question 23
Question
25 Severe wind shear is associated with:
Answer
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O thunderstorms and Line Squalls / Squall Lines.
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O radiation fog.
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O thunderstorms.
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O Line Squalls / Squall Lines.
Question 24
Question
26 In an airport, at night, strong temperature inversion has been noticed. Which weather phenomenon is most likely to take place within the next 5 hours?
Answer
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O FG
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O TS
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O RA
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O DZ
Question 25
Question
27 Stratiform clouds are characteristic of:
Answer
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O a Warm front.
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O a Cold front.
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O an Occluded front.
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O a Cold and an Occluded front.
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