4 ATTENT. METEO. EXAM. PREP.

Question 1 of 30

1

304 When a wind changes direction from Southerly to South-Westerly, it is said to have:

Select one of the following:

O veered in either hemisphere.
O veered in the Northern hemisphere and backed in the Southern hemi¬sphere.
O backed in the Northern hemisphere and veered in the Southern hemi¬sphere.
O backed in either hemisphere

Explanation

Question 2 of 30

1

305 A typical warm front extends horizontally for approximately:

Select one of the following:

O 600 miles.
O 200 miles
O 100 miles.
O 50 miles

Explanation

Question 3 of 30

1

306 Following the passage of a typical cold front, an observer at the surface would expect to experience which of the following conditions?

Select one of the following:

O (Pressure)> steady rise. (Clouds)>SCT/BKN Cu. (Visibility)> generally good
O (Pressure)> fall then rise. (Clouds)>BKNCu/Scu. (Visibility)> poor with fog
O (Pressure)>falling rapidly. (Clouds)>OVC NS/St. (Visibility)>very poor
O (Pressure)> rising rapidly. (Clouds)>OVC Ci/Cc. (Visibility)>Poor

Explanation

Question 4 of 30

1

307 Mist and fog occur when small water droplets are suspended in the air, hence reducing visibility. What is the difference between mist and fog?

Select one of the following:

O Fog is defined as having a visibility less than 1 kilometre
O Fog has a slightly lower Relative Humidity than mist.
O Mist is defined as having a visibility less than 1 kilometre.
O Fog is defined as having a visibility less than 1.5 kilometre

Explanation

Question 5 of 30

1

308 Over land in mid latitudes, which statement concerning the diurnal variation oftemperature is most appropriate?

Select one of the following:

O Maximum temperature occurs at around 1400-1500 LMT, with the minimum temperature occurring just before dawn.
O Maximum temperature occurs at around 1400-1500 UTC, with the minimum temperature occurring just before dawn.
O Maximum temperature occurs around midday, with the minimum temperature occurring just after sunset.
O It depends on the longitude

Explanation

Question 6 of 30

1

312 Cloud described as 'a transparent whitish veil of fibrous or smooth appearance totally or partly covering the sky producing a halo phenomenon', indicates:

Select one of the following:

O cirrostratus.
O altostratus.
O castellanus.
O cumulonimbus

Explanation

Question 7 of 30

1

313 As a parcel of air rises, it cools by the process of:

Select one of the following:

O adiabatic expansion.
O expulsion of long-wave radiation.
O conductive mixing.
O freezing

Explanation

Question 8 of 30

1

314 The passage of a cold front means that the pressure:

Select one of the following:

O rises
O falls
O remains steady
O depends on humidity

Explanation

Question 9 of 30

1

318 When a wind changes direction from northly to north-westerly, it is said to have:

Select one of the following:

O backed in either hemisphere
O backed in the northern hemisphere and veered in the southern hemisphere.
O veered in either hemisphere.
O veered in the northern hemisphere and backed in the southern hemisphere.

Explanation

Question 10 of 30

1

319 You depart from aerodrome of Kastelorizo (LGKJ), (situated 474 feet above mean sea level (AMSL) with a QNH of 1011 hpa set on the altimeter subscale. The flight is conducted towards an area of low pressure and you fail to update the subscale setting (due to being non-radio). You anticipate a visual landing at the aero¬drome οf Kasteli(LGTL). What will the altimeter read when the aircraft lands at the destination aerodrome, which has an elevation of 1180 feet AMSL, if the QNH is 994 hpa?

Select one of the following:

O 1690
O 1750
O 950
O 1197

Explanation

Question 11 of 30

1

320 Density will be low when the:

Select one of the following:

O pressure is low and temperature is high.
O pressure is low and temperature is low.
O pressure is high and temperature is high.
O pressure is high and temperature is low

Explanation

Question 12 of 30

1

327 The determined surface temperature is +13°C and at 4000 feet it is +6°C. The state of the atmosphere may be described as:

Select one of the following:

O conditionally unstable.
O unstable.
O stable.
O neutrally stable

Explanation

Question 13 of 30

1

330 A powerful wind over a mountain range which causes rotor cloud and strong downdraughts, may be marked by:

Select one of the following:

O lenticularis.
O stratus.
O cumulus.
O cumulonimbus

Explanation

Question 14 of 30

1

331 Given a surface temperature of +22°C and a dewpoint of +10°C, at approxi¬mately what height is the base of any cumuliform cloud likely to be?

Select one of the following:

O 5000 feet.
O 3500 feet.
O 2500 feet.
O 3000 feet

Explanation

Question 15 of 30

1

334 What does the following illustration depict?
(See Fig.33)

Select one of the following:

O A cold occlusion.
O A warm occlusion.
O A warm front
O A cold front

Explanation

Question 16 of 30

1

337 As a warm front passes, the weather gradually becomes:

Select one of the following:

O moderate continuous rain changing to intermittent slight drizzle
O moderate continuous rain changing to rain showers.
O slight showers changing to moderate continuous drizzle.
O none of those

Explanation

Question 17 of 30

1

340 When flying towards an area of low pressure at a constant indicated altitude the true altitude is:

Select one of the following:

O lower than indicated.
O the same as indicated.
O higher than indicated.
O none of those

Explanation

Question 18 of 30

1

341 A thin, white patch, sheet or layer of cloud without shading, composed of very small elements in the form of grains or ripples joined together or separate and regularly arranged.' To what type of cloud does this statement refer?

Select one of the following:

O Cirrocumulus.
O Stratocumulus.
O Cumulus.
O Lenticularis

Explanation

Question 19 of 30

1

344 If the 2000 feet wind is 240035 knots, the most likely surface wind is:

Select one of the following:

O 220/020 knots.
O 270/040 knots.
O 220/040 knots.
O 250/040 knots.

Explanation

Question 20 of 30

1

345 An aircraft is flying on a VFR cross-country. The altimeter is indicating 2500 feet with the current Regional QNH set on the subscale. It is heading towards an area of low pressure. If the pilot fails to reset the subscale to the new Regional QNH, the aircraft will:

Select one of the following:

O gradually descend.
O gradually climb.
O maintain the original altitude.
O none of those

Explanation

Question 21 of 30

1

348 Lumpy or heaped cloud belongs to which family?

Select one of the following:

O Cumuliform.
O Stratiform.
O Cirriform.
O Lenticularis

Explanation

Question 22 of 30

1

349 . An inversion means that the temperature ………………………….
as height is gained

Select one of the following:

O increases
O decreases
O remains
O decreases below freezing

Explanation

Question 23 of 30

1

353 Water vapour changes to ice. This process is called…………………………….. and …………...………….latent heat.

Select one of the following:

O deposition / releases
O condensation / absorbs
O sublimation / releases
O evaporation/ absorbs

Explanation

Question 24 of 30

1

354 Which of the following c onditions are the most suitable for the formation ofradiation fog?

Select one of the following:

O (clouds)>cloudless (air state)> moist (winds)> light
O (clouds)>cloudless (air state)>moist (winds)>nil
O (clouds)>cloudy (air state)>dry and cool (winds)>moderate
O (clouds)>cloudy (air state)>moist (winds)>strong

Explanation

Question 25 of 30

1

355 Which weather conditions should be expected beneath a low-level temperature inversion layer when the relative humidity is high?

Select one of the following:

O Smooth air, poor visibility, fog, haze, or low clouds.
O Light wind shear, poor visibility, haze, and light rain.
O Turbulent air, poor visibility, fog, low stratus type clouds, and shower precipitation
O Updrafts and cumulus type clouds

Explanation

Question 26 of 30

1

356 Decode the following METAR for Kavala (LGKV):
301220 LGKV 24015KT 200V280 8000 -RA SCT010 BKN025 OVC080 18/15 Q993 TEMPO 3000 RA BKN008 OVC020=

Select one of the following:

O Surface wind: mean 240° true, 15 knots; varying between 200° and 280°;
minimum visibility 8 km; slight rain; cloud: 3-4 oktas base 1000 feet, 5-7
oktas base 2500 feet, 8 oktas base 8000 feet; temperature +18°C, dewpoint
+ 15°C; QNH 993 mb; Trend: temporarily, lasting less than hour, or, if
recurring, lasting less than half the trend, visibility 3000 metres in rain with
5-7 oktas at base 800 feet, 8 oktas 2000 feet.
O Surface wind: 240° true, 15 knots; RVR varying between 200 and 280
metres; minimum visibility 8 km; slight rain; cloud: 1-3 oktas base 1000
feet, 4-7 oktas base 2500 feet, 8 oktas base 8000 feet; temperature +18°C,
dewpoint +15°C; QNH 993 mb; Trend: temporarily, lasting less than
hour, visibility 3000 metres in rain with 5-7 oktas at base 800 feet, 8 oktas
2000 feet.
O Surface wind: mean-240° true, 15 knots; varying between 200° and 280°;
minimum visibility 8000 metres in rain; cloud: 1-2 oktas base 1000 feet,
5-7 oktas base 2500 feet, 8 oktas base 800 feet; temperature +18°C,
dewpoint +15°C; QNH 993 mb; Trend: temporarily, lasting less than
hour, or, if recurring, lasting less than half the trend, visibility 3000 metres
in rain with 5-7 oktas at base 800 feet, 8 oktas 2000 feet.
O Surface wind: mean-240° true, 15 knots; varying between 200° and 280°;
minimum visibility 8000 metres in rain; cloud: 1-2 oktas base 1000 feet,
3-4 oktas base 2500 feet, 8 oktas base 800 feet; temperature +18°C,
dewpoint +15°C; QNH 993 mb; Trend: temporarily, lasting less than
hour, or, if recurring, lasting less than half the trend, visibility 3000 metres
in rain with 5-7 oktas at base 800 feet, 8 oktas 200 feet.

Explanation

Question 27 of 30

1

358 Maximum temperature occurs at approximately what time and why?

Select one of the following:

O 14-1500 LMT and occurs when the incoming solar radiation is matched by the outgoing terrestrial radiation.
O 1200 UTC and occurs when solar radiation is at maximum.
O 1500 LMT and occurs when terrestrial radiation is at maximum.
O it depends on the longitude

Explanation

Question 28 of 30

1

359 If you stand with your back to the wind in the northern hemisphere, you assume that the low pressure is:

Select one of the following:

O on your left.
O in front of you.
O on your right.
O behind you

Explanation

Question 29 of 30

1

362 Select the correct following statement concerning high level cloud:

Select one of the following:

O (base)>20,000 feet (name)>cirriform (precipitation)>none
O (base)>20,000 feet (name)>nimbus (precipitation)>continuous rain
O (base)>15,000 feet (name)>cumuliform (precipitation)>showers
O (base)>8000 feet (name)>stratus (precipitation)>drizzle

Explanation

Question 30 of 30

1

363 If the surface wind is 240015 knots, what is it expected to be at 2000 feet?

Select one of the following:

O 270/025 knots.
O 280/015 knots.
O 2200/25 knots.
O 2800/10 knots.

	Created by tsampikos pompou almost 8 years ago

4 ATTENT. METEO. EXAM. PREP.

4 ATTENT. METEO. EXAM. PREP.

Question 1 of 30

304 When a wind changes direction from Southerly to South-Westerly, it is said to have:

Select one of the following:

Explanation

Question 2 of 30

305 A typical warm front extends horizontally for approximately:

Select one of the following:

Explanation

Question 3 of 30

306 Following the passage of a typical cold front, an observer at the surface would expect to experience which of the following conditions?

Select one of the following:

Explanation

Question 4 of 30

307 Mist and fog occur when small water droplets are suspended in the air, hence reducing visibility. What is the difference between mist and fog?

Select one of the following:

Explanation

Question 5 of 30

308 Over land in mid latitudes, which statement concerning the diurnal variation oftemperature is most appropriate?

Select one of the following:

Explanation

Question 6 of 30

312 Cloud described as 'a transparent whitish veil of fibrous or smooth appearance totally or partly covering the sky producing a halo phenomenon', indicates:

Select one of the following:

Explanation

Question 7 of 30

313 As a parcel of air rises, it cools by the process of:

Select one of the following:

Explanation

Question 8 of 30

314 The passage of a cold front means that the pressure:

Select one of the following:

Explanation

Question 9 of 30

318 When a wind changes direction from northly to north-westerly, it is said to have:

Select one of the following:

Explanation

Question 10 of 30

Select one of the following:

Explanation

Question 11 of 30

320 Density will be low when the:

Select one of the following:

Explanation

Question 12 of 30

327 The determined surface temperature is +13°C and at 4000 feet it is +6°C. The state of the atmosphere may be described as:

Select one of the following:

Explanation

Question 13 of 30

330 A powerful wind over a mountain range which causes rotor cloud and strong downdraughts, may be marked by:

Select one of the following:

Explanation

Question 14 of 30

331 Given a surface temperature of +22°C and a dewpoint of +10°C, at approxi¬mately what height is the base of any cumuliform cloud likely to be?

Select one of the following:

Explanation

Question 15 of 30

334 What does the following illustration depict? (See Fig.33)

Select one of the following:

Explanation

Question 16 of 30

337 As a warm front passes, the weather gradually becomes:

Select one of the following:

Explanation

Question 17 of 30

340 When flying towards an area of low pressure at a constant indicated altitude the true altitude is:

Select one of the following:

Explanation

Question 18 of 30

341 A thin, white patch, sheet or layer of cloud without shading, composed of very small elements in the form of grains or ripples joined together or separate and regularly arranged.' To what type of cloud does this statement refer?

Select one of the following:

Explanation

Question 19 of 30

344 If the 2000 feet wind is 240035 knots, the most likely surface wind is:

Select one of the following:

Explanation

Question 20 of 30

345 An aircraft is flying on a VFR cross-country. The altimeter is indicating 2500 feet with the current Regional QNH set on the subscale. It is heading towards an area of low pressure. If the pilot fails to reset the subscale to the new Regional QNH, the aircraft will:

Select one of the following:

334 What does the following illustration depict?
(See Fig.33)

349 . An inversion means that the temperature ………………………….
as height is gained

356 Decode the following METAR for Kavala (LGKV):
301220 LGKV 24015KT 200V280 8000 -RA SCT010 BKN025 OVC080 18/15 Q993 TEMPO 3000 RA BKN008 OVC020=