12 METEO. EXAM. PREP.

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12 METEO. EXAM. PREP.
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488
6

Zusammenfassung der Ressource

Frage 1

Frage
287 In the Northern Hemisphere, the Coriolis Effect deflects air to the:
Antworten
  • O right.
  • O left.
  • O does not deflect the air at all.
  • O north

Frage 2

Frage
288 Which weather phenomenon signals the start of the mature stage of a thunderstorm cell?
Antworten
  • O The start of precipitation.
  • O The appearance of an anvil top.
  • O The growth-rate of the cell is maximum.
  • O The appearance of updraft

Frage 3

Frage
289 Thunderstorm cells should be avoided by at least:
Antworten
  • O 10 nm.
  • O 40 nm.
  • O 30 nm.
  • O 25 nm

Frage 4

Frage
290 The Adiabatic Lapse Rate for a dry parcel of air is:
Antworten
  • O 3°C/1000 ft.
  • O 1.98°C/1000ft.
  • O 1.5°C/1000ft.
  • O 2.5°C/1000ft

Frage 5

Frage
291 With respect to High and Low pressure systems, which of the following state¬ ments is true?
Antworten
  • O A High pressure area, or Ridge, is an area of descending air.
  • O A High pressure area, or Ridge, is an area of ascending air.
  • O A Low pressure area, or Trough, is an area of descending air.
  • O A Low pressure area, or Ridge, is an area of descending air

Frage 6

Frage
292 In the Northern Hemisphere, an aircraft flying from High to Low pressure will experience:
Antworten
  • O starboard drift.
  • O no drift.
  • O port drift.
  • O drift to the south

Frage 7

Frage
293 Select the true statement concerning isobar and windflow patterns around High and Low pressure systems, as shown on Synoptic Charts:
Antworten
  • O When the isobars are close together, the pressure gradient force is stronger and wind velocities are higher.
  • O Surface winds flow perpendicular to the isobars.
  • O When the isobars are far apart, crests of standing waves may be marked by lenticular clouds.
  • O When the isobars are close together, the pressure gradient force is weaker and wind velocities are lower.

Frage 8

Frage
294 The primary distinction between the Troposphere and the Stratosphere is a difference in:
Antworten
  • O temperature lapse rates.
  • O moisture content.
  • O pressure.
  • O oxygen content

Frage 9

Frage
295 The precipitation associated with the passage of a cold front usually extends horizontally by approximately:
Antworten
  • O 30 to 50 nautical miles.
  • O 100 to 200 nautical miles.
  • O 200 to 500 nautical miles.
  • O 150 to 250 nautical miles

Frage 10

Frage
296 As a parcel of air rises, it cools. In doing so, its ability to retain water vapour:
Antworten
  • O decreases.
  • O increases.
  • O remains unchanged.
  • O it depends on the pressure

Frage 11

Frage
297 Employing Buys Ballot's Law, if you stand facing the wind in the Northern Hemisphere, the low pressure is:
Antworten
  • O on your right.
  • O on your left.
  • O in front of you.
  • O behind you

Frage 12

Frage
298 Ice crystals may be converted directly to water vapour. What is this process called?
Antworten
  • O Sublimation.
  • O Supercooling.
  • O Supersaturation.
  • O Evaporation

Frage 13

Frage
299 The percentage gases, other than nitrogen, oxygen and water vapour, in the atmosphere is:
Antworten
  • O 1%.
  • O 5%.
  • O 3%.
  • O 2%

Frage 14

Frage
300 The heat energy required to change state from liquid water to water vapour without an increase in temperature is:
Antworten
  • O latent heat.
  • O transient heat.
  • O retained heat.
  • O evaporation heat

Frage 15

Frage
301 Which is a characteristic of stable air?
Antworten
  • O Restricted visibility.
  • O Cumuliform clouds.
  • O Excellent visibility.
  • O Turbulence

Frage 16

Frage
302 Which of the following processes can produce fog?
Antworten
  • O Advection.
  • O Divergence.
  • O Convection.
  • O Convergence

Frage 17

Frage
303 The observed temperature at the surface is +11°C and at 4000 feet the temper¬ature is +16°C. The state of the atmosphere can be described as:
Antworten
  • O Stable.
  • O Unstable.
  • O Conditionally stable.
  • O It depends on the humidity

Frage 18

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

Frage 19

Frage
305 A typical warm front extends horizontally for approximately:
Antworten
  • O 600 miles.
  • O 200 miles
  • O 100 miles.
  • O 50 miles

Frage 20

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

Frage 21

Frage
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?
Antworten
  • 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

Frage 22

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

Frage 23

Frage
309 (Fig.52) Gust-fronts are usually associated with:
Antworten
  • O thunderstorms.
  • O high pressure areas.
  • O castellanus.
  • O lenticularis

Frage 24

Frage
310 In the International Standard Atmosphere (ISA) the temperature is assumed to decrease at the rate of:
Antworten
  • O 1.98°C per 1000 feet.
  • O 2°K per 1000 feet.
  • O 1.98°C per 1000 metres.
  • O 3°C per 1000 feet

Frage 25

Frage
311 The decode for hail in a METAR is
Antworten
  • O GR
  • O PE
  • O SN
  • O HZ
Zusammenfassung anzeigen Zusammenfassung ausblenden

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