Pressure – Air – DGCA Question Bank For Politics

#1. The 850 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

FL100

FL 300

FL 390

FL 50

#2. Which constant pressure altitude chart is standard for 18,289 FT pressure level (FL 180)?

300 hPa

200 hPa

700 hPa

500 hPa

#3. If you are planning a flight at FL 170, which of these upper wind and temperature charts would be nearest your flight level?

850 hPa

700 hPa

500 hPa

300 hPa

#4. Which constant pressure altitude chart is standard for a 38,662 FT pressure level (FL 390)?

500 hPa

700 hPa

200 hPa

300 hPa

#5. The station pressure used in surface weather charts is

QNE

QFF

QFE

QNH

#6. Half the mass of the atmosphere is found in the first

8 km

6 km

3 km

11 km

#7. A 500 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

FL 160

FL 100

FL 390

FL 180

#8. Which constant pressure altitude chart is standard for a 4781 FT pressure level (FL50)?

300 hPa

850 hPa

700 hPa

500 hPa

#9. The QNH at an airfield located 200 metres above sea level is 1022 hPa. The air temperature is not available. What is the QFF?

It is not possible to give a definitive answer

More than 1022 hPa

1022 hPa

Less than 1022 hPa

#10. A 700 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

FL 180

FL 300

FL 390

FL 100

#11. When planning a flight at FL 60, which upper wind and temperature chart would be nearest your flight level?

300 hPa

850 hPa

700 hPa

500 hPa

#12. The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?

More than 1016 hPa

1016 hPa

Less than 1016 hPa

It is not possible to give a definitive answer

#13. Which of the following is true concerning atmospheric pressure?

It always decreases with height at a rate of 1 hPa per 8m

It decreases with height

It is higher in winter than in summer

It is higher at night than during the day

#14. The upper wind and temperature chart of 250 hPa corresponds, in a standard atmosphere, to about

32 000 FT

34 000 FT

39 000 FT

30,000 FT

#15. What positions are connected by isobars on the surface weather chart?

Positions with the same relative pressure heights

Positions with the same air pressure at a given level

Positions with the same temperature at a given level

Positions with the same wind velocity at a given level

#16. How would you characterise an air temperature of -30°C at the 300 hPa level over Western Europe?

Within +/-5°C of ISA

Low

Very low

High

#17. The QFF at an airfield in California located 69 meters below sea level is 1030 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

1030 hPa

It is not possible to give a definitive answer

More than 1030 hPa

Less than 1030 hPa

#18. What is the approximate vertical interval which is equal to a pressure change of 1 hPa at an altitude of 5500m?

8 m (27 FT).

32 m (105 FT).

64 m (210 FT).

15 m (50 FT).

#19. The greater the pressure gradient the

closer the isobars and the lower the temperatures

further the isobars will be apart and the higher the temperature

closer the isobars and the stronger the wind

further the isobars will be apart and the weaker the wind

#20. When planning a flight at FL 110, which upper wind and temperature chart would be nearest your flight level?

700 hPa

850 hPa

300 hPa

500 hPa

#21. The QNH at an airfield in California located 69 meters below sea level is 1018 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QFF?

1018 hPa

It is not possible to give a definitive answer

More than 1018 hPa

Less than 1018 hPa

#22. The QNH at an airfield located 0 meters above sea level is 1022 hPa. The air temperature is not available. What is the QFF?

It is not possible to give a definitive answer

1022 hPa

Less than 1022 hPa

More than 1022 hPa

#23. In what hPa range is an upper weather chart for FL 340 situated?

400 - 300 hPa

500 - 400 hPa

600 - 500 hPa

300 - 200 hPa

#24. If you are flying at FL 100 in an air mass that is 10°C warmer than a standard atmosphere, what is the outside temperature likely to be?

-10°C

-15°C

+5°C

+15°C

#25. In the troposphere the decrease of pressure per 100 m increase in height

is smaller at higher levels than at lower levels.

remains constant at all levels.

is greater at higher levels than at lower levels.

is in the order of 27 hPa near MSL.

#26. The QFF at an airfield located 400 meters above sea level is 1016 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

More than 1016 hPa

1016 hPa

It is not possible to give a definitive answer

Less than 1016 hPa

#27. Isobars on a surface chart are lines of equal

QFF

QFE

QNE

QNH

#28. A 200 hPa pressure altitude level can vary in height. In temperate regions which of the following average heights is applicable?

FL 100.

FL 50.

FL 390.

FL 300.

#29. If you are planning a flight at FL 290, which of these upper wind and temperature charts would be nearest your flight level?

850 hPa

300 hPa

500 hPa

700 hPa

#30. A 300 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

FL 100

FL 50

FL 300

FL 390

#31. The QNH at an airfield located 200 metres above sea level is 1009 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QFF?

Less than 1009 hPa

It is not possible to give a definitive answer

More than 1009 hPa

1009 hPa

#32. Which constant pressure altitude chart is standard for a 30,065 FT pressure level (FL 300)?

200 hPa

700 hPa

500 hPa

300 hPa

#33. Which constant pressure altitude chart is standard for a 9,882 FT pressure level (FL 100)?

700 hPa

850 hPa

500 hPa

300 hPa

#34. The isobars drawn on a surface weather chart represent lines of equal pressure

at flight level

at height of observatory

at a determined density altitude

reduced to sea level

#35. If the pressure surfaces bulge upwards in all levels then the pressure system is a

cold low

cold high

warm low

warm high

Dgca Question Bank For Pilots

Results

#1. The 850 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

#2. Which constant pressure altitude chart is standard for 18,289 FT pressure level (FL 180)?

#3. If you are planning a flight at FL 170, which of these upper wind and temperature charts would be nearest your flight level?

#4. Which constant pressure altitude chart is standard for a 38,662 FT pressure level (FL 390)?

#5. The station pressure used in surface weather charts is

#6. Half the mass of the atmosphere is found in the first

#7. A 500 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

#8. Which constant pressure altitude chart is standard for a 4781 FT pressure level (FL50)?

#9. The QNH at an airfield located 200 metres above sea level is 1022 hPa. The air temperature is not available. What is the QFF?

#10. A 700 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

#11. When planning a flight at FL 60, which upper wind and temperature chart would be nearest your flight level?

#12. The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?

#13. Which of the following is true concerning atmospheric pressure?

#14. The upper wind and temperature chart of 250 hPa corresponds, in a standard atmosphere, to about

#15. What positions are connected by isobars on the surface weather chart?

#16. How would you characterise an air temperature of -30°C at the 300 hPa level over Western Europe?

#17. The QFF at an airfield in California located 69 meters below sea level is 1030 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

#18. What is the approximate vertical interval which is equal to a pressure change of 1 hPa at an altitude of 5500m?

#19. The greater the pressure gradient the

#20. When planning a flight at FL 110, which upper wind and temperature chart would be nearest your flight level?

#21. The QNH at an airfield in California located 69 meters below sea level is 1018 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QFF?

#22. The QNH at an airfield located 0 meters above sea level is 1022 hPa. The air temperature is not available. What is the QFF?

#23. In what hPa range is an upper weather chart for FL 340 situated?

#24. If you are flying at FL 100 in an air mass that is 10°C warmer than a standard atmosphere, what is the outside temperature likely to be?

#25. In the troposphere the decrease of pressure per 100 m increase in height

#26. The QFF at an airfield located 400 meters above sea level is 1016 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

#27. Isobars on a surface chart are lines of equal

#28. A 200 hPa pressure altitude level can vary in height. In temperate regions which of the following average heights is applicable?

#29. If you are planning a flight at FL 290, which of these upper wind and temperature charts would be nearest your flight level?

#30. A 300 hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?

#31. The QNH at an airfield located 200 metres above sea level is 1009 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QFF?

#32. Which constant pressure altitude chart is standard for a 30,065 FT pressure level (FL 300)?

#33. Which constant pressure altitude chart is standard for a 9,882 FT pressure level (FL 100)?

#34. The isobars drawn on a surface weather chart represent lines of equal pressure

#35. If the pressure surfaces bulge upwards in all levels then the pressure system is a