Question Bank

1. Semi diurnal pressure changes are most pronounced in

2. Low pressure is associated with

3. In the Southern Hemisphere, around a Low pressure Area wind blows

4. Steep pressure gradient would mean

5. Atmospheric pressure is due to

6. Two aircraft flying at same indicated altitude with altimeters set to 1013.2 h.Pa. One is flying over cold air mass and other over warm air mass. Which of the two has greater altitude?

7. 850 hPa in ISA approximately corresponds to the height

8. Poor visibility is associated with

9. Flying from Delhi to Kolkata at constant indicated altitude but, experiencing drift to Starboard. The actual altitude will be (vis-à-vis) indicated altitude

10. In constant pressure chart of 500 hPa, isohypse are drawn at interval of

11. An aircraft is gaining altitude, inspite of altimeter reading constant altitude. Why?

12. Fall of pressure with height is more rapid in

13. Bad weather and better visibility is associated with

14. The rate of fall of pressure with height in a warm air mass compared to cold air mass will be

15. The relationship between height and pressure is made use in construction of

16. An contour of 9160 m can be expected on a constant pressure chart of pressure level

17. 24,000 ft height in ISA corresponds to pressure level

18. Lines drawn through places of equal pressure are known as

19. What type of inversion occurs when a stable layer lies in a high pressure area

20. Instrument for recording pressure is called

21. QNH of an aerodrome 160 m AMSL is 1005 hPa. QFE? Assuming 1hPa = 8m

22. 300 hPa in ISA corresponds to the level

23. 40,000 ft height in ISA approximately corresponds to pressure level

24. In contour chart of 300 hPa, isohypse (contours) are drawn at interval of

25. Winds in a low pressure

26. A region between two Lows and Two Highs is

27. 18,000 ft height in ISA corresponds to the pressure level

28. What kind of a barometer is an altimeter

29. An aerodrome is at the mean sea level. Its QNH is 1014.0 hPa. Its QFF will be

30. The movement of wind in relation to a cyclone is

31. Altimeter always measure the height of aircraft above

32. Flying from Low to High an altimeter would read

33. In a high pressure area winds are

34. Altimeter of a/c on ground reads aerodrome elevation; its sub-scale is set to

35. Which of the following would cause true altitude to increase when altimeter indicates constant altitude?

36. Isallobars are lines of equal

37. An increase of 1000 ft at msl is associated with decrease of pressure of

38. 700 hPa in ISA corresponds to the Fight level

39. 200 hPa in ISA corresponds to the level

40. On either side, perpendicular to the ______ pressures rise

41. Which is true?