Question Bank

1. When approaching an area where mountain waves have been reported, a pilot should expect

2. For mountain waves to form there should be _____ air beow the ridge and less stable air above

3. For mountain waves to form the wind speed for large mountains should be atleast

4. Clear air turbulences is often encountered

5. Most CAT occurs on the _____ of a jet stream and in the vicinity of upper level frontal zones where temperature contrasts are strong

6. CAT is the bumpiness experienced by aircraft at high altitudes. Over North India its maximum frequency is during

7. In Mountain waves the Rotor clouds form in

8. For mountain waves to form there should be flow of air across the ridge, generally within _____ of the perpendicular to the ridge

9. The worst kind of turbulence is encountered in the vicinity of rotor clouds

10. For mountain waves to form the wind speed for small mountains should be atleast