Quiz
ATPL THEORY - METEOROLOGY (1)
Questions in this quiz (37)
1Which one of the following statements applies to the tropopause?
- AIt is, by definition, an isothermal layer.
- BIt indicates a strong temperature lapse rate.
- CIt is, by definition, a temperature inversion.
- DIt separates the troposphere from the stratosphere.
2At a certain position, the temperature on the 300 hPa chart is -48°C; according to the tropopause chart, the tropopause is at FL330. What is the most likely temperature at FL350?
- A-54°C
- B-50°C
- C-56.5°C
- D-58°C
3The tropopause is lower...
- Asouth of the equator than north of it.
- Bover the equator than over the South Pole.
- Cover the North Pole than over the equator.
- Din summer than winter in moderate latitudes.
4What is the most likely temperature at the tropical tropopause?
- A-55°C
- B-35°C
- C-25°C
- D-75°C
5Which statement is correct regarding the International Standard Atmosphere?
- AAt MSL temperature is 15°C and the decrease in temperature with height is 1°C per 100m.
- BAt MSL temperature is 10°C and the decrease in temperature with height is 1°C per 100m.
- CAt MSL pressure is 1013.25 hPa and the decrease of temperature with height is 1°C per 100m.
- DAt MSL temperature is 15°C and pressure is 1013.25hPa.
6The tropopause is a level at which...
- Awater vapour content is greatest.
- Bpressure remains constant.
- Cvertical currents are strongest.
- Dtemperature ceases to fall with increasing height.
7The 0°C isotherm is forecast to be at FL050. At what FL would you expect a temperature of -6°C?
- AFL080
- BFL020
- CFL100
- DFL110
8How does temperature vary with increasing altitude in the ICAO standard atmosphere below the tropopause?
- AIt increases.
- BAt first it increases and higher up it decreases.
- CIt remains constant.
- DIt decreases.
9Which is true of the temperature at the tropopause?
- AIt is higher in polar regions than in equatorial regions.
- BIt is higher in equatorial regions than in polar regions.
- CIt is highest in middle latitudes.
- DThere is no significant difference with change of latitude.
10What is the boundary layer between troposphere and stratosphere called?
- ATropopause
- BIonosphere
- CStratosphere
- DAtmosphere
11How would you characterise an air temperature of -15°C at the 700hPa level over Western Europe?
- ALow
- BHigh
- CWithin +/-5°C of ISA
- D20°C below standard
12The temperature at FL110 is -5°C. What will the temperature be at FL050 if the ICAO standard lapse rate is applied?
- A+3°C
- B0°C
- C-3°C
- D+7°C
13How does the height of the tropopause normally vary with latitude in the northern hemisphere?
- AIt remains constant throughout the year.
- BIt decreases from south to north.
- CIt remains constant from north to south.
- DIt increases from south to north.
14The temperature at FL080 is +6°C. What will the temperature be at FL130 if the ICAO standard lapse rate is applied?
- A+2°C
- B-4°C
- C-6°C
- D0°C
15What is the lowest assumed temperature in the ICAO Standard Atmosphere?
- A-273°C
- B-44.7°C
- C-100°C
- D-56.5°C
16The troposphere is the...
- Apart of the atmosphere below the tropopause.
- Bpart of the atmosphere above the stratosphere.
- Cboundary between the mesosphere and thermosphere.
- Dboundary between the stratosphere and the mesosphere.
17How would you characterise an air temperature of -55°C at the 200hPa level over Western Europe?
- AWithin +/-5°C of ISA
- BHigh
- CLow
- DVery high
18The height and the temperature of the tropopause are respectively in the order of...
- A8 km and -40°C over the equator.
- B8 km and - 75°C over the poles.
- C16 km and -40°C over the poles.
- D16 km and -75°C over the equator.
19What of the following is the most important constituent in the atmosphere from a weather stand-point?
- ANitrogen
- BOxygen
- CHydrogen
- DWater vapour
20What is the vertical temperature lapse rate, up to 11km, in the ICAO standard atmosphere?
- A6.5°C per 1000m
- B4.5°C per 1000m
- C3°C per 1000m
- D2°C per 1000m
21An outside air temperature of -35°C is measured while cruising at FL200. What is the temperature deviation from the ISA at this level?
- A10°C warmer than ISA
- B5°C warmer than ISA
- C5°C colder than ISA
- D10°C colder than ISA
22How would you characterise an air temperature of -30°C at the 300hPa level over Western Europe?
- AWithin +/-5°C of ISA
- BLow
- CVery low
- DHigh
23What is the rate of decrease of temperature with height per 100m in the International Standard Atmosphere?
- A0.65°C
- B1°C
- C0.5°C
- DVariable
24What is the approximate composition of the dry air by volume in the troposphere?
- A50% oxygen, 40% nitrogen, and the rest other gasses
- B21% oxygen, 78% nitrogen, and the rest other gasses
- C10% oxygen, 89% nitrogen, and the rest other gasses
- D88% oxygen, 9% nitrogen, and the rest other gasses
25If you are flying at FL300 in an air mass that is 15°C warmer than a standard atmosphere, what is the outside temperature likely to be?
- A-15°C
- B-30°C
- C-45°C
- D-60°C
26A temperature of +15°C is recorded at an altitude of 500m above sea level. If the vertical temperature gradient is that of a standard atmosphere, what will the temperature be at the summit of a mountain, 2500m above sea level?
- A+4°C
- B0°C
- C-2°C
- D+2°C
27The temperature at FL140 is -12°C. What will the temperature be at FL110 if the ICAO standard lapse rate is applied?
- A-15°C
- B-6°C
- C-18°C
- D-9°C
28If you are flying at FL120 and the outside temperature is -2°C, at what altitude will the "freezing level" be?
- AFL150
- BFL090
- CFL110
- DFL130
29The troposphere...
- Areaches the same height at all latitudes.
- Bhas a greater vertical extent above the equator than above the poles.
- Ccontains all oxygen of the stratosphere.
- Dis the separation layer between the stratosphere and atmosphere.
30The thickness of the troposphere varies with...
- Arotation of the Earth.
- Bthe wind.
- Clatitude.
- Dlongitude.
31What, approximately, is the average height of the tropopause over the equator?
- A16km
- B8km
- C11km
- D40km
32Going from the equator to the North Pole, the altitude of the tropopause...
- Adecreases and its temperature increases.
- Bincreases and its temperature increases.
- Cincreases and its temperature decreases.
- Ddecreases and its temperature decreases.
33What is the temperature at 10,000ft in the International Standard Atmosphere?
- A-20°C
- B-35°C
- C-5°C
- D0°C
34What, approximately, is the average height of the tropopause at 50°N?
- A14km
- B16km
- C11km
- D8km
35In the lower part of the stratosphere, the temperature...
- Aincreases with altitude.
- Bincreases at first and decreases afterward.
- Cis almost constant.
- Ddecreases with altitude.
36Which layer of the atmosphere contains more than 90% of all water vapour?
- ATroposphere
- BLower stratosphere
- CUpper stratosphere
- DIonosphere
37In the mid-latitudes the stratosphere extends on an average from...
- A85 to more than 200km.
- B11 to 50km.
- C0 to 11km.
- D50 to 85km.
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- Quiz on ATPL THEORY - METEOROLOGY (1), created by mathys1995 on 18/08/2015.
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- mathys1995
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