*OLODE 01 Session 2025* *23rd January 2025* *Aviation Meteorology* 1. A METAR was given, and we had to determine the time of issue. 2. Fog occurs in a cold front: A. Ahead B. During C. After 3. A dry air mass at 35°C rises to a height of 1 km. What will its temperature be? (Apply the dry adiabatic lapse rate.) 4. What are the wind requirements for the formation of mountain waves over small mountains? 5. Aerodrome warning for light aircraft is issued when winds are: A. 17 knots B. 15 knots C. 30 knots 6. An aircraft moves toward an anticyclone, with a depression behind it. The winds will be from? 7. One question was on vortex formation. 8. The formation of predominant stratiform clouds compared to cumulus clouds depends on: A. Stability of lifted air B. Temperature of lifting air C. (Third option not recalled) 9. The stability of air will increase if: A. Heat is given from below B. The air is cooled from below C. (Third option not recalled) 10. If an aircraft’s altimeter shows constant altitude while moving toward a low-pressure zone, the true altitude will be: A. Lower B. Higher C. Same 11. More rainfall occurs in India when: A. The axis of the monsoon trough is over the Gangetic Plains B. The axis of the monsoon trough is over the Northeast region C. During the pre-monsoon period (most likely the correct option) 12. At FL140, the temperature is -12°C. What would the temperature be at FL110 according to the ICAO standard atmosphere? A. -9°C B. -18°C C. -6°C 13. Hail is typically found in which type of cloud? A. Layered clouds B. Lower-level clouds C. Clouds with large vertical development 14. Fog that freezes on an aircraft parked on the ground forms: A. Rime ice B. Clear ice C. Hoar frost 15. Ice forms on an aircraft passing through an atmosphere with no visible clouds but containing moisture, at temperatures below 0°C: A. Rime ice B. Clear ice C. Hoar frost 16. In coastal areas, rain is more common during: A. The afternoon B. The evening C. Night and early morning 17. In mountain waves, the air up to the ridge is: A. Stable B. Unstable C. Indifferent 18. In mountain waves, the air above the ridge is: A. Stable B. Unstable C. Indifferent 19. Pressure is measured with: A. Anemograph B. Barometer C. Ceilometer 20. Sea breeze sets in during the ____ and dies off in the ____. A. Night; day B. Day; night 21. If the pressure altitude is FL120 and the true altitude is 12,000 ft, with QNH at 1013 hPa, then: A. The actual temperature is warmer than ISA. B. Insufficient information is provided to determine. C. The average temperature equals ISA temperature at that level. 22. A SPECI RVR was given, and we had to choose the correct decoded option. 23. A cold front moves at ____ the speed of a warm front: A. Half B. Double C. The same 24. Definition of relative humidity. 25. Definition of dew point. 26. Wind speed for the formation of radiation fog: A. Between 15 to 20 knots B. Above 10 knots C. Below 5 knots 27. Relative humidity depends on: A. Temperature only B. Moisture only C. Both temperature and moisture 28. Which of the following is true about the normal atmosphere? A. Temperature increases with altitude in the troposphere. B. Temperature decreases with altitude in the troposphere. C. Temperature decreases with altitude in the stratosphere. 29. Fair weather cumulus clouds indicate: A. Smooth flying B. Light winds C. Turbulence at and below the cloud level Fwd as received