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