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Question Bank
Questions for IC PRESSURE
Answer the following questions
Test Mode
Training Mode
1. Isallobars are lines of equal
Temperature Tendency
Pressure Tendency
Pressure
2. In constant pressure chart of 500 hPa, isohypse are drawn at interval of
40 gpm
80 gpm
20 gpm
60 gpm
3. An increase of 1000 ft at msl is associated with decrease of pressure of
33 hPa
3 hPa
1000 hPa
100 hPa
4. 300 hPa in ISA corresponds to the level
30,000 ft
20,000 ft
35,000 ft
5. Flying from Low to High an altimeter would read
Under
constant
Over
6. Winds in a low pressure
Diverge
Go straight
Converge
7. In the Southern Hemisphere, around a Low pressure Area wind blows
Across isobars towards the centre
In anticlockwise direction
In clockwise direction
8. What kind of a barometer is an altimeter
Aneroid
Mercury
Alcohol
9. The rate of fall of pressure with height in a warm air mass compared to cold air mass will be
More
Same
Less
10. Bad weather and better visibility is associated with
Col
High
Low
11. Altimeter always measure the height of aircraft above
datum of 1013.2 hPa
datum at which its sub-scale is set
MSL
12. Low pressure is associated with
Good Weather
None
Bad Weather
13. Poor visibility is associated with
Low
Trough
High
14. 200 hPa in ISA corresponds to the level
30,000 ft
40,000 ft
20,000 ft
15. Steep pressure gradient would mean
Isobars far apart and temperature low
Contours far apart, weak wind
Contours far apart, strong wind
Isobars closely packed and strong wind
16. Which is true?
Trough has frontal characteristics
At trough winds veer in N-hemisphere
At trough winds back in N-hemisphere
17. In a high pressure area winds are
Strong
Normal
Weak
18. In contour chart of 300 hPa, isohypse (contours) are drawn at interval of
60 gpm
40 gpm
20 gpm
80 gpm
19. A region between two Lows and Two Highs is
Secondary low
Col
Depression
20. The relationship between height and pressure is made use in construction of
ASI
Altimeter
V S I
21. On either side, perpendicular to the ______ pressures rise
Trough
Ridge
Low
22. Altimeter of a/c on ground reads aerodrome elevation; its sub-scale is set to
QFF
QNH
QNE
QFE
23. The movement of wind in relation to a cyclone is
Ascending and converging
Descending and subsiding
Descending and cooling
Ascending and diverging
24. Fall of pressure with height is more rapid in
Cold areas
Humid areas
Warm areas
25. 24,000 ft height in ISA corresponds to pressure level
300 hPa
500 hPa
400 hPa
26. What type of inversion occurs when a stable layer lies in a high pressure area
Subsidence
Subsidence
Negative
Radiation
27. 18,000 ft height in ISA corresponds to the pressure level
500 hPa
700 hPa
200 hPa
28. Lines drawn through places of equal pressure are known as
Isogonal
Isoclinal
Isotherms
Isobars
29. 40,000 ft height in ISA approximately corresponds to pressure level
500 hPa
200 hPa
400 hPa
30. Flying from Delhi to Kolkata at constant indicated altitude but, experiencing drift to Starboard. The actual altitude will be (vis-Ã -vis) indicated altitude
Higher
Lower
Same
31. QNH of an aerodrome 160 m AMSL is 1005 hPa. QFE? Assuming 1hPa = 8m
1010 hPa
1005 hPa
990 hPa
985 hPa
32. Semi diurnal pressure changes are most pronounced in
Tropics
Middle latitudes
Polar region
33. 700 hPa in ISA corresponds to the Fight level
18,000 ft
10,000 ft
20,000 ft
34. Which of the following would cause true altitude to increase when altimeter indicates constant altitude?
Cool/Low
Cold/Low
Warm/Low
Hot/High
35. 850 hPa in ISA approximately corresponds to the height
7,000 ft
5,000 ft
10,000 ft
36. Atmospheric pressure is due to
Wind
Temperature
density
gravity
37. An aircraft is gaining altitude, inspite of altimeter reading constant altitude. Why?
Flying towards Low
Flying towards High
Temperature has decreased
Standard pressure has risen
38. An aerodrome is at the mean sea level. Its QNH is 1014.0 hPa. Its QFF will be
1013.25
Difficult to tell
More than QNH
1014.0 hPa
39. 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
40. An contour of 9160 m can be expected on a constant pressure chart of pressure level
400 hPa
200 hPa
300 hPa
500 hPa
41. Instrument for recording pressure is called
Barometer
Hygrograph
Anemograph
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