DGCA March 2019 Aviation Meteorology 120 mins 100 Marks
1. Which of the following is true about the 8. Ahead of a warm front the surface wind
tropopause? (A) Backs & strengthens
(a) Height of the tropopause is 16km at (B) Veers & strengthens
the Poles with a temperature of -75℃ (C) Backs & weakens
(b) Height of the tropopause is 8km at the
Poles with a temperature of -75℃ 9. The weather associated with a high
(c) Height of the tropopause is 16km at pressure area in temperate latitudes during
the Equator with a temperature of the summer afternoon is
-75℃ (A)
(B) TS/DS
2. Most of the water vapour in the (C) Clear sky with thick haze
atmosphere is confined up to
(a) Stratosphere 10. At an airport with elevation 1000’, reported
(b) Troposphere QNH is 1025 and QFE is 992.7. What is
(c) Lower troposphere the height of FL?
(A) - 640’
3. Which component of the atmosphere (B) 1360’
causes weather? (C) 640’
(A) Oxygen
(B) Nitrogen 11. Flying over the sea at FL120, you notice
(C) Water Vapour that your true altitude and indicated altitude
remains same. Local QNH is 1013.
4. You are a stationary observer in the (A) The airmass you are overflying is
Northern Hemisphere. The centre of the warmer than standard.
depression passes from West to East, to (B) Insufficient information provided.
the south of the observer. For this (C) The average temperature outside is
observer, the winds are same as ISA.
(A) Continuously veering
(B) Continuously backing 12. The ratio in percentage between the
(C) Initially backing, then veering amount of water vapour present in the air
to the amount of water vapour that it can
5. Flying from Delhi to Kolkata at constant hold at the same temperature is
indicated altitude but, experiencing drift to (A) Humidity
Starboard. The actual altitude will be (vis- (B) Relative Humidity
à-vis) indicated altitude (C) Dew point
(A) Lower
(B) Same 13. Relative humidity depends on
(C) Higher (A) Amount of moisture content and air
temperature
6. The lines of equal atmospheric pressure (B) Air temperature
are known as (C) Amount of water vapour content
(A) Isotherms
(B) Isobars 14. Which of the following about Geostrophic
(C) Isohygric winds is untrue?
(A) The geostrophic force is negligible at
7. What relationship exists between the winds the poles
at 5000’ and the winds at the surface, (B) The geostrophic force is negligible at
(A) The winds flow parallel to the isobars. the equator
(B) The winds around a high pressure area (C) The geostrophic winds do not flow at
are clockwise and flows across the the surface.
isobars towards the high.
(C) The winds around a low pressure area
are counter clockwise and flows across
the isobars towards the low.
1. Which of the following is true about the 8. Ahead of a warm front the surface wind
tropopause? (A) Backs & strengthens
(a) Height of the tropopause is 16km at (B) Veers & strengthens
the Poles with a temperature of -75℃ (C) Backs & weakens
(b) Height of the tropopause is 8km at the
Poles with a temperature of -75℃ 9. The weather associated with a high
(c) Height of the tropopause is 16km at pressure area in temperate latitudes during
the Equator with a temperature of the summer afternoon is
-75℃ (A)
(B) TS/DS
2. Most of the water vapour in the (C) Clear sky with thick haze
atmosphere is confined up to
(a) Stratosphere 10. At an airport with elevation 1000’, reported
(b) Troposphere QNH is 1025 and QFE is 992.7. What is
(c) Lower troposphere the height of FL?
(A) - 640’
3. Which component of the atmosphere (B) 1360’
causes weather? (C) 640’
(A) Oxygen
(B) Nitrogen 11. Flying over the sea at FL120, you notice
(C) Water Vapour that your true altitude and indicated altitude
remains same. Local QNH is 1013.
4. You are a stationary observer in the (A) The airmass you are overflying is
Northern Hemisphere. The centre of the warmer than standard.
depression passes from West to East, to (B) Insufficient information provided.
the south of the observer. For this (C) The average temperature outside is
observer, the winds are same as ISA.
(A) Continuously veering
(B) Continuously backing 12. The ratio in percentage between the
(C) Initially backing, then veering amount of water vapour present in the air
to the amount of water vapour that it can
5. Flying from Delhi to Kolkata at constant hold at the same temperature is
indicated altitude but, experiencing drift to (A) Humidity
Starboard. The actual altitude will be (vis- (B) Relative Humidity
à-vis) indicated altitude (C) Dew point
(A) Lower
(B) Same 13. Relative humidity depends on
(C) Higher (A) Amount of moisture content and air
temperature
6. The lines of equal atmospheric pressure (B) Air temperature
are known as (C) Amount of water vapour content
(A) Isotherms
(B) Isobars 14. Which of the following about Geostrophic
(C) Isohygric winds is untrue?
(A) The geostrophic force is negligible at
7. What relationship exists between the winds the poles
at 5000’ and the winds at the surface, (B) The geostrophic force is negligible at
(A) The winds flow parallel to the isobars. the equator
(B) The winds around a high pressure area (C) The geostrophic winds do not flow at
are clockwise and flows across the the surface.
isobars towards the high.
(C) The winds around a low pressure area
are counter clockwise and flows across
the isobars towards the low.
