MET PAPER 2

1) By weight, approximate ratio of O2 to N2 in the atmosphere is

a) 1:3

b) 1:4

c) 1:5

2) Mist is reported when visibility is

a) < 1000 m to 2000m

b) 1000 to 5000m

c) >1000 m

3) Which of the following meteorological phenomena can rapidly change the braking action of a
runway?

a) HZ

b) +FZRA

c) MIFG

d) FG

4) A SPECI is

a) an aviation routine weather report

b) a warning for special weather phenomena

c) a forecast for special weather phenomena

d) an aviation selected special weather report

5) Tropical Jet stream occurs in India during

a) Pre monsoon
b) Winters
c) Post monsoon
d) SW monsoon

6) What kind of a barometer is an altimeter?

a) Aneroid

b) Mercury
 c) Alcohol

7) During winters
a) Advection fog occurs over northern & central part of India
b) Radiation fog occurs in southern part of country
c) Activity of Radiation fog increases after the passage of a WD over N India

8) Bad weather and better visibility is associate with

a) High

b) Low

c) Col

9) CS in Indian region are less intense because

a) They have a very short travel over the sea
b) Sea surface temp, are not high
c) India is close to Equator

10) Altimeter always measure the ht of aircraft

a) Above MSL

b) Above datum level of 1013.2 hPa

c) Above datum level at which its sub-scale is set

11) On whatever compass course the cyclone is approached, strong winds from the port indicate
that the centre lies somewhere
a) Ahead
b) Behind
c) Starboard

12) Two aircraft flying at the same indicated altitude with their altimeter set to 1013.2 hPa. One is
flying over cold air mass and other over warm air mass. Which of the two has greater altitude?

a) Ac flying over warm air mass

b) Ac flying over cold air mass

13) Which wind systems converge on the ITCZ, when it lies at the equator?

a) NW monsoon and SW trade winds

b) SE trade winds and NE trade winds
c) SW monsoon and NW monsoon
d) SW monsoon and NW trade winds

14) Instrument for recording pressure is called

a) Anemograph

b) Barometer

c) Hygrograph

15) What characterizes a stationary front ?

a) The warm air moves at approximately half the speed of the cold air
b) The weather conditions that it originates is a combination between those of an intense cold
front and those of a warm and very active front
c) The surface wind usually has its direction parallel to the front
d) The surface wind usually has its direction perpendicular to the front

16) Fall of pressure with height is more rapid in

a) Cold areas

b) Warm areas

c) Humid areas

17) The approximate inclined plane of a warm front is:

a) 1/150
b) 1/50
c) 1/300
d) 1/500

18) What type of front / occlusion usually moves the fastest?

a) Warm occlusion.
b) Cold front.
c) Warm front.
d) Cold occlusion.

19) Diurnal variation of temperature is greatest when wind is

a) calm

b) light

c) strong
20) Amount of Solar radiation received per unit area is ...

a) Insolation

b) Convection

c) Radiation

21) The air mass which originates at sea in low Latitudes is called
a) Polar maritime
b) Tropical continental
c) Tropical maritime

22) Specific heat of land is _______than that of water

a) Lower

b) Same

c) Higher

23) Which thunderstorms generally develop in the afternoon in summer over land in moderate
latitudes?

a) Airmass thunderstorms
b) Warm front thunderstorms
c) Cold mass thunderstorms
d) Occlusion thunderstorms

24) The wavelength of most intense radiation is inversely proportional to the....

a) Absolute temperature

b) Humidity

c) Albedo

25) Density is usually expressed as

a) Kg/sq m

b) g/cu m

c) N/sq m

26) The STJ affects India from

a) Jun to Jul
b) Oct to May
 c) Aug to Sep

27) Density altitude may be defined as:

a) The altitude in a standard atmosphere at which the prevailing pressure occurs.

b) The altitude in a standard atmosphere at which the prevailing density occurs.

c) Surface of constant atmospheric pressure related to standard atmosphere of 1013.2 hPa

28) Artificial rain making is also termed as

a) Simulation

b) Cloud seeding

c) Nucleation

29) What is the approximate maximum diameter of a microburst ?

a) 20 km
b) 50 km
c) 4 km
d) 400 m

30) Free air temperature, Wet bulb temperature and Dew point temperature are equal when

a) Air temperature is 0°C

b) Relative humidity is 100%

c) Air temperature is not below 0°C

31) The trigger action may take place due to

a) Clear night sky no wind

b) Orographic lifting

c) Divergence due to high pressure

32) Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG
VV001 What does the abbreviation "BKN004" mean?

a) 4 - 8 oktas, ceiling 400 FT.

b) 1 - 4 oktas, ceiling 400 m.
c) 5 - 7 oktas, ceiling 400 FT.
d) 1 - 4 oktas, ceiling 400 FT.

33) In which of the following 1850 UTC METAR reports, is the probability of fog formation, in the
coming night, the highest?

a) 00000KT 9999 SCT300 21/01 Q1032 NOSIG =

 b) VRB01KT 8000 SCT250 11/10 Q1028 BECMG 3000 =
c) 22004KT 6000 -RA SCT012 OVC030 17/14 Q1009 NOSIG =
d) VRB02KT 2500 SCT120 14/M08 Q1035 NOSIG =

34) Jet stream has

a) one maxima

b) one or more maxima

c) only two maxima

35) With what type of cloud is "GR" precipitation most commonly associated?

a) AS
b) ST
c) CC
d) CB

36) Which of these four METAR reports suggests that a thunderstorm is likely in the next few hours?

a) 1350Z 16004KT 8000 SCT110 OVC220 02/m02 Q1008 NOSIG =

b) 1350Z 34003KT 0800 SN VV002 m02/m04 Q1014 NOSIG =
c) 1350Z 04012KT 3000 OVC012 04/03 Q1022 BECMG 5000 =
d) 1350Z 21005KT 9999 SCT040CB SCT100 26/18 Q1016 TEMPO 24018G30 TS =

37) An aircraft flying in Monsoon season from Mumbai to Ahmedabad at 03 km will experience
winds

a) SEly

b) SWIy

c) Nly

d) NWly

38) The wind direction in a METAR is measured relative to

a) magnetic north
b) the 0-meridian
c) grid north
d) true north

39) The occurrence of large deserts near 30N and 30S are due to large scale

a) subsidence

b) convection
 c) advection

40) The descending branch of the Hadley cell marked by calm winds and high pressure at the
surface are called

a) Tropical Latitudes

b) Middle latitudes

c) Horse Latitudes

41) For non-scheduled National Flights advance notice an advance notice (before ETD) is required to
be given to Class III Met Offices

a) 3 hr

b) 18-24 hr

c) 6 hr

42) There arc _____ Class I Met Offices

a) 14

b) 19

c) 16

43) If altimeter reads aerodrome elevation when a/c is on ground, its sub-scale must have been set

a) QNH

b) QNE

c) QFF

d) QFE

44) Over valley and foot hills Thunderstorms generally occur during

a) afternoon
b) night & early morning
c) both ‘a’ & ‘b’

45) A region between two Lows and Two Highs is

a) Depression

b) Secondary Low
 c) Col

46) Anabatic wind occurs

a) At night

b) Any time of day and night

c) During day

47) In which of these cloud types can icing be virtually ruled out?

a) NS
b) CU
c) CI
d) SC

48) Gale is

a) persistent strong winds with mean speed 44 kt, associated with thunderstorm

b) marked increase in wind speed lasing few minutes associated with CB or dust storm

c) persistent strong winds exceeding 33 kt, associated with depression

49) When visibility reduces between 5000 m and 1000 m and RH is almost 100%, it is

a) Mist

b) Haze

c) Fog

50) Corona is associated with the cloud

a) AS
b) AC
c) CC
d) CS