PRESSURE – Air – DGCA Question Bank For Politics

#1. Winds in a low pressure

Converge

Diverge

Go straight

#2. Low pressure is associated with

Good Weather

Bad Weather

None

#3. In a high pressure area winds are

Normal

Strong

Weak

#4. Flying from Low to High an altimeter would read

Over

Under

constant

#5. Isallobars are lines of equal

Pressure

Temperature Tendency

Pressure Tendency

#6. What kind of a barometer is an altimeter

Aneroid

Mercury

Alcohol

#7. A region between two Lows and Two Highs is

Depression

Secondary low

Col

#8. Bad weather and better visibility is associated with

High

Low

Col

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

Altimeter

ASI

V S I

#10. Altimeter always measure the height of aircraft above

MSL

datum of 1013.2 hPa

datum at which its sub-scale is set

#11. 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?

Ac flying over warm air mass

Ac flying over cold air mass

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

Same

More

Less

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

1000 hPa

3 hPa

33 hPa

#14. Lines drawn through places of equal pressure are known as

Isobars

Isogonal

Isoclinal

#15. Which is true?

Trough has frontal characteristics

At trough winds back in N-hemisphere

At trough winds veer in N-hemisphere

#16. Semi diurnal pressure changes are most pronounced in

Polar region

Middle latitudes

Tropics

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

Lower

Same

Higher

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

In clockwise direction

In anticlockwise direction

Across isobars towards the centre

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

QNH

QFF

QFE

#20. Instrument for recording pressure is called

Anemograph

Barometer

Hygrograph

#21. Poor visibility is associated with

High

Low

Trough

#22. On either side, perpendicular to the ______ pressures rise

Trough

Ridge

Low

#23. Fall of pressure with height is more rapid in

Cold areas

Warm areas

Humid areas

#24. 300 hPa in ISA corresponds to the level

20,000 ft

30,000 ft

35,000 ft

#25. 18,000 ft height in ISA corresponds to the pressure level

700 hPa

200 hPa

500 hPa

#26. 200 hPa in ISA corresponds to the level

20,000 ft

30,000 ft

40,000 ft

#27. 24,000 ft height in ISA corresponds to pressure level

400 hPa

500 hPa

300 hPa

#28. 700 hPa in ISA corresponds to the Fight level

20,000 ft

10,000 ft

18,000 ft

#29. 40,000 ft height in ISA approximately corresponds to pressure level

400 hPa

500 hPa

200 hPa

#30. 850 hPa in ISA approximately corresponds to the height

7,000 ft

5,000 ft

10,000 ft

#31. Atmospheric pressure is due to

Wind

gravity

density

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

Flying towards High

Flying towards Low

Temperature has decreased

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

400 hPa

300 hPa

200 hPa

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

20 gpm

60 gpm

80 gpm

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

60 gpm

40 gpm

80 gpm

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

990 hPa

1005 hPa

985 hPa

#37. Steep pressure gradient would mean

Contours far apart, strong wind

Isobars far apart and temperature low

Isobars closely packed and strong wind

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

Radiation

Subsidence

Airmass

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

Warm/Low

Hot/High

Cool/Low

#40. The movement of wind in relation to a cyclone is

Ascending and converging

Descending and cooling

Ascending and diverging

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

1014.0 hPa

1013.25

Difficult to tell

Dgca Question Bank For Pilots

Results

#1. Winds in a low pressure

#2. Low pressure is associated with

#3. In a high pressure area winds are

#4. Flying from Low to High an altimeter would read

#5. Isallobars are lines of equal

#6. What kind of a barometer is an altimeter

#7. A region between two Lows and Two Highs is

#8. Bad weather and better visibility is associated with

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

#10. Altimeter always measure the height of aircraft above

#11. 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?

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

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

#14. Lines drawn through places of equal pressure are known as

#15. Which is true?

#16. Semi diurnal pressure changes are most pronounced in

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

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

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

#20. Instrument for recording pressure is called

#21. Poor visibility is associated with

#22. On either side, perpendicular to the ______ pressures rise

#23. Fall of pressure with height is more rapid in

#24. 300 hPa in ISA corresponds to the level

#25. 18,000 ft height in ISA corresponds to the pressure level

#26. 200 hPa in ISA corresponds to the level

#27. 24,000 ft height in ISA corresponds to pressure level

#28. 700 hPa in ISA corresponds to the Fight level

#29. 40,000 ft height in ISA approximately corresponds to pressure level

#30. 850 hPa in ISA approximately corresponds to the height

#31. Atmospheric pressure is due to

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

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

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

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

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

#37. Steep pressure gradient would mean

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

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

#40. The movement of wind in relation to a cyclone is

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