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Question Bank
Questions for IC ADDITIONAL QUESTIONS
Answer the following questions
Test Mode
Training Mode
1. In a SPECI report the QNH 1005.8 hPa is reported as
1016.8 hPa
1015.8 hPa
1005 hPa
1016 hPa
2. In general circulation over the globe the equatorial low pressure belt is at the junction of which cells ?
Ferrel cells
Hadley cells
Ferrel and Hadley cells
Polar cells
3. Most of the weather occurring in India is due to
Fronts
Cyclones
Monsoon Trough
TS
4. The Code Name for an aviation forecast in figure code for a specific area is
TAFOR
ROFOR
ARFOR
GAMET
5. The most hazardous area for aviation in a cyclone is
eye of the cyclone
wall cloud around the eye
all over the cyclone
about 400 km from eye
6. The strong Wly winds which blow in both the hemispheres between 35° and 60° Lat are called
Jetstreams
Polar Wly
Roaring Forties
Trades
7. Which of the following Indian month corresponds to Sharad Ritu ( Post monsoon)
Jyeshtha
Phalguna
Shravana
Asauj and Kartika
8. If after the issue of a SPECI, conditions continue to be below the prescribed limit then the next routine report will be a
SPECIAL
could be METAR or SPECI
SPECI
METAR
9. Jet streams are strongest when temperature gradient are greatest
False
True
10. The surface wind at coastal stations on west coast of India during late night/early morning in pre - monsoon season is
Sly
Wly
Ely
Nly
11. In a SPECI the lowest layer of clouds, regardless of amount, is reported as
BKN or OVC
FEW, SCT, BKN or OVC
SCT, BKN or OVC
FEW, SCT or OVC
12. Which of the following Indian month corresponds to Winter/Shishira Ritu
Kwar
Pausha
Magha and Phalguna
Shravana
13. Stability of atmosphere is determined by
SALR
Inversion
DALR
ELR
14. The characteristics features, good visibility and turbulence, are of
stable air mass
unstable air
cold polar air mass
High pressure area
15. 'TAF AMD' covers validity period
The remaining validity period of original TAF
the validity starting 2 hr prior to the end period of original TAF
half the validity period of the TAF
full validity period of the TAF
16. The minimum notice required to be given to an aerodrome Met office (AMO) by an aircraft operator needing Met data for an National flight is
18 to 24 hr
6 hr
12 hr
3 hr
17. The atmospheric pressure at an aerodrome is equal to the MSL pressure then
None of the above
QNH>QFE
QNH=QFE
QNH<QFE
18. In India in a VOLMET broadcast
METAR, SPECI, SIGMET and TAF are included
SIGMET is excluded
only SPECI is included
only TAF are included
19. The upper air report from an a/c other than weather reconnaissance a/c has the identification code as
WINTEM
RAWIN
VOLMET
CODAR
20. An a/c at FL180 in July from Kolkata to Mumbai will generally experience
Wly wind
Ely wind
Nly wind
Sly wind
21. RVR is a measure of
Atmospheric transsmissivity, intensity of R/W lights
Atmospheric transsmissivity and background illumination
Intensity of background illumination
Atmospheric transparency, intensity of R/W lights and background illumination
22. Cold core low pressure system
does not change with height
veers with height
intensifies with height
weakness with height
23. Due to Coriolis force an Ely wind blowing over the equator will
Become Wly
get deflected to the left
weaken
remain unchanged
24. In a Cold Occlusion the
Cold air of Warm Front is warmer than that of Cold Front
Cold air of Warm Front is the coldest
Cold air of Cold Front is not the coldest
Cold air of Cold Front is the coldest
25. The hailstones occur from
both warm and cold clouds
cold clouds only
NS clouds
warm clouds only
26. Thermal lows are generally located over
Polar region
Equatorial region
Movement region
Temperate region
27. Convective clouds develop at a place when the atmosphere is
absolutely stable
conditionally stable
neutrally stable
none of the above
28. The main cause of ground inversion is
Convection
Release of latent heat
Incident solar radiation
Terrestrial radiation on calm and clear night
29. Fog is produced in Fronts by
freezing Rain
evaporation and precipitation
adiabatic cooling
frequent Rain
30. The wind Bora is a
violent Wly wind
cold Katabatic wind
warm Anabatic wind
light maritime Ely wind
31. In a METAR the third layer of clouds is reported when amount is
3/8 or more FEW, SCT
3/8 or more SCT, BKN or OVC
5/8 or more BKN or OVC
5/8 or less SCT, BKN
32. During SW monsoon the wind at FL400 over Bangaluru is generally
Strong Wly
Fluctuates between Ely and Wly
Strong Ely
Weak Sly
33. The sun is highest at noon, but two/three hours later the earth receives more radiation. Hence maximum temperature is around 1500 hr. It is due to
Angular momentum
Rotation of the Earth
Thermal cooling
Thermal Inertia
34. Highest annual rainfall over the earth occurs the regions?
Polar regions
Tropical regions
equatorial regions
Temperate regions
35. METAR VIAG 250300Z 27005KT 1200 + SHRA FEW008 SCT025 BKN080 28/25 Q1004 TEMPO 0405 0800 + TSRA FEW020 CB OVC300 = In the METAR surface visibility in TS is
800 m
0300 m
4050 m
1200 m
36. SPECI is issued when the visibility changes from
300 m to 150 m
8 km to 6 km
300 m to 400 m
800 to 1500 m
37. Over the earth deserts are located in the regions of
Equatorial trough
ITCZ
Subtropical high
Polar Front
38. Extreme turbulence in a TS can be assessed from
Hail
frequent lightning
appearance of Anvil
heavy Ice accretion
39. Which of the following Indian month corresponds to Rainy season/Varsha Ritu
Magha
Kartic
Kwar
Shravana Bhadrapad
40. While planning to land during TS, which is the most expected serious aviation hazard
Hail storm
WS and Turbulence
Heavy rain
Downdraught
41. The dew point temperature
changes by cooling or warming
is higher if air contains more water vapour
is equal to the air temperature during mist
is always higher than wet bulb temperature for unsaturated air
42. When visibility is 800 m to 5000 m, in a METAR it is reported in steps of
100 m
500 m
200 m
1000 m
43. SIGMET message contains weather information which is
Actual and not a forecast
Both actual and forecast
Forecast only
Actual only
44. How much in advance of departure a pilot must notify the Aeronautical Met Station (AMS) requiring Met Forecast for a national flight ?
12 hr
18 to 24 hr
3 hr
6 hr
45. Will a SPECI be issued when the mean speed has changed by
10 kt or more
> 08 kt
less than 10 kt
< 09 kt
46. Flight forecast in "Chart from of Documentation" supplied in India consists of
Latest surface synoptic chart and upper air charts
Synoptic charts 03 and 12 UTC and U/A charts for 00 and 12 UTC
SIGWX chart and upper air charts for 850, 500 and 300 hPa
SIGWX chart and prognostic charts for 300, 250 and 200 hPa
47. Isopicnic are the line of constant
Density
Geopotential heights
Height
Insolation
48. SIGMET message is
Occurring or expected, enroute weather, which may affect safety of the air operation
Trend type of landing forecast passed to operators
Special Reports to local ATC unit and concerned operators
Aerodrome forecast in plain language
49. Above which datum the cloud base is reported at airports?
above pressure level in ISA
above mean sea level
above the aerodrome level
above standard pressure level
50. The air can hold more moisture at MSL over the
Equator
Temperate latitudes
20° Latitude
Poles
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