Aviation Meteorology Quiz - Competitive Exams DGCA_Pilot

Free practice quiz: Aviation Meteorology (Competitive Exams DGCA_Pilot). 72 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This Competitive Exams DGCA_Pilot practice quiz has 72 multiple-choice questions on Aviation Meteorology. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. The boundary layer of the atmosphere in which most weather occurs and through which aircraft operate is called the:

   1. Stratosphere
   2. Thermosphere
   3. Troposphere
   4. Mesosphere
   Show answer

   Answer: C. Troposphere

2. Which of the following is a characteristic of a stable atmosphere?

   1. Vertical motion is suppressed and stratiform clouds form
   2. Turbulence is always severe
   3. Thunderstorms are frequent
   4. Vertical motion is enhanced and cumuliform clouds form
   Show answer

   Answer: A. Vertical motion is suppressed and stratiform clouds form

3. Which type of front is characterized by a gradual slope and widespread, steady precipitation?

   1. Stationary front
   2. Warm front
   3. Cold front
   4. Occluded front
   Show answer

   Answer: B. Warm front

4. What is the name of the scale used to measure wind speed?

   1. Saffir-Simpson scale
   2. Fujita scale
   3. Beaufort scale
   4. Richter scale
   Show answer

   Answer: C. Beaufort scale

5. Which of the following statements about the 'jet stream' is correct?

   1. It is a permanent wind system that blows from east to west in the tropics
   2. It is a surface wind that blows from the poles toward the equator
   3. It is a narrow band of strong winds in the upper troposphere, often associated with the polar front
   4. It is a local wind that occurs only over mountainous terrain
   Show answer

   Answer: C. It is a narrow band of strong winds in the upper troposphere, often associated with the polar front

More questions in this quiz

Answers and explanations are in the full quiz.

1. An altimeter set to 29.92 inHg is referenced to which pressure level?
2. A 'QNH' altimeter setting causes the altimeter to indicate:
3. Which pressure setting would you set on the subscale to read aerodrome elevation when on the ground?
4. In the Northern Hemisphere, wind around a low-pressure system at the surface flows:
5. The lifting condensation level (LCL) is the height at which:
6. Which cloud type is responsible for the most extensive and prolonged continuous precipitation?
7. In a tropical revolving storm (TRS) in the Northern Hemisphere, the most dangerous quadrant for a vessel or aircraft is generally the:
8. A fast-moving cold front is most likely to be associated with:
9. The primary hazard to aviation from a volcanic ash cloud is:
10. Which of the following best describes 'wind shear'?
11. Microbursts are most dangerous to aircraft during which phase of flight?
12. In aviation, 'CAVOK' is used when:
13. The height of the tropopause is generally highest:
14. The presence of a temperature inversion aloft typically indicates:
15. Which of the following conditions is most likely to produce radiation fog?
16. Advection fog is most likely to form when:
17. The principal cause of aircraft icing is:
18. In severe icing conditions, the most hazardous type of ice for an aircraft is:
19. The 'freezing level' is the altitude at which:
20. A 'SIGMET' is issued to warn of:
21. Which of the following is NOT a condition required for the formation of a thunderstorm?
22. The 'standard atmosphere' sea level pressure and temperature are:
23. Which meteorological phenomenon is associated with a 'gust front'?
24. What is the primary source of energy for the Earth's weather systems?
25. Which term describes the rate at which temperature decreases with altitude in a parcel of air rising adiabatically?
26. What is the name of the instrument used to measure atmospheric pressure?
27. What is the primary cause of the Coriolis effect?
28. Which cloud type is typically associated with fair weather and has a flat base?
29. What is the term for the amount of water vapor in the air compared to the maximum amount it can hold at a given temperature?
30. Which weather condition is most likely to cause a decrease in aircraft engine performance?
31. What is the primary hazard associated with flying through a cumulonimbus cloud?
32. Which term describes the boundary between two air masses of different densities?
33. What is the name of the wind that blows from the sea to the land during the day?
34. Which weather phenomenon is indicated by a sudden drop in temperature and a shift in wind direction?
35. What is the primary factor that determines the type of precipitation that reaches the ground?
36. Which of the following is a low-level wind shear alert system used at airports?
37. What is the name of the atmospheric layer that reflects radio waves?
38. Which type of fog is formed when warm, moist air moves over a cold surface?
39. What is the term for the temperature at which air becomes saturated when cooled at constant pressure?
40. Which of the following is a significant hazard to aviation during volcanic eruptions?
41. Which weather condition is required for the formation of a tornado?
42. What is the primary cause of the formation of a jet stream?
43. Which of the following is a characteristic of a high-pressure system in the Northern Hemisphere?
44. On a Skew-T log-P diagram, the area between the environmental temperature curve and the parcel ascent curve is used to determine which quantity?
45. Which dimensionless number is used to assess the likelihood of clear air turbulence (CAT) by comparing wind shear to the Richardson number?
46. A dew point depression of 2°C or less at the surface, combined with a temperature-dew point spread that remains small through a deep layer, most strongly suggests:
47. Which of the following best describes the 'K Index' in aviation meteorology?
48. A 'dry line' is best defined as:
49. In the context of tropical meteorology, the 'Dvorak technique' is used for:
50. Which of the following is the primary reason that mountain wave turbulence is particularly hazardous to aircraft?
51. The 'Föhn effect' (or Chinook) refers to:
52. Which cloud type is characterized by a 'mamma' (mammatus) appearance, often seen on the underside of an anvil cloud?
53. The 'gust front' associated with a thunderstorm is best described as:
54. A 'temperature inversion' in the lower atmosphere is significant to aviation primarily because:
55. Which of the following is a characteristic of 'clear air turbulence' (CAT)?
56. The 'SIGMET' for volcanic ash (VA SIGMET) is issued because:
57. Which of the following best describes the 'wet bulb temperature'?
58. In the context of aviation meteorology, 'QFE' is the altimeter setting that causes the altimeter to indicate:
59. Which of the following phenomena is most likely to cause a sudden and significant loss of airspeed indication (airspeed indicator malfunction)?
60. The 'standard atmosphere' temperature lapse rate in the troposphere is approximately:

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