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Questions for IC TROPICAL SYSTEM
Answer the following questions
Test Mode
Training Mode
1. A Tropical CS has outer storm area of about
>700 km
>900 km
>400 km
2. In a monsoon depression maximum weather occurs in
SE sector
SW sector
NW sector
3. In a CS the wind speed is
34 - 47 kt
17 - 27 kt
28 - 33 kt
<17 kt
4. TRS occurs over Indian seas in:-
Equatorial Region
5 - 15° N
0 - 5° N
5. During re-curvature maximum weather in a monsoon depression occur in
SW sector
SE sector
NE sector
NW sector
6. A Tropical Cyclone moves ______ in a day
300 - 500 km
500 -700 km
700 - 900 km
7. After entering land the Cyclones gradually die down
False
True
8. Extra-tropical Storms generally move in the direction
W to E
E to W
S to W
S to E
9. Peninsular discontinuity occurs during
NE Monsoon
Pre Monsoon
Monsoon
10. Extra Tropical Storms originate in
Tropical Front
Equatorial Front
Polar Front
11. In TRS pressure gradient is very steep up to a radius of
100 km
50 km
30 km
400 km
12. CS in India are mostly of intensity
Moderate
Very Weak
Severe
13. In a extra tropical cyclone family there are 3 - 4 CS or depressions, one to the ___ of the other
NE
SE
NW
SW
14. Average life of a tropical cyclone in India is
10 Days
3-4 Days
6-8 Days
15. Monsoon depressions move faster over
Hills
Rivers
Sea
Plains
16. On whatever compass course the cyclone is approached, strong winds from the port indicate that the centre lies somewhere
Starboard
Ahead
Behind
Port
17. Surge is sudden strengthening of wind in the ______ air mass
Different
Same
Both
18. Surge is also
lite ITCZ
Velocity Convergence
Velocity Divergence
19. No CS form
At Equator
At poles
AT Lat 40 deg
All these
20. TRS develop over ______ deg Lat
30 - 40
5 -15
25 - 30
0 - 5
21. Wind speed in a tropical severe cyclone is
48 - 63 kt
27 - 33 kt
17 - 27 kt
22. Cyclonic storm across Tamil Nadu coast in
Oct - Nov
Feb - May
Jul - Aug
23. In a depression the wind speed is
34 - 47 kt
48 - 63 kt
17 - 27 kt
<17 kt
24. In a mature tropical cyclone, the eye area is characterised by
moderate winds and heavy rains
hurricane force winds and squalls
calm wind, little clouding and practically no rainfall
25. CS in Indian region are less intense because
India is close to Equator
Sea surface temp. are not high
They have a very short travel over the sea
26. Cyclonic storms are confined almost entirely to the
Tropical Latitudes
Mid lat.
Latitudes near Equator
Polar lat.
27. The ________ is the most dangerous part of the cyclone is
eye
Outer storm area
eye wall
complete cyclone
28. TRS develop over
Islands
Land
Sea
at equator
29. Cyclonic storms form over Indian seas during
Pre-Monsoon & Post Monsoon
SW monsoon
Winter Season
30. Fronts are characteristics of
Tropical cyclone
Extra - tropical depressions
Monsoon depressions
31. The weather expected in a well developed cyclonic storm is
Stormy weather
Clear skies
No wind or temperature change
Moderate Weather
32. Eye of a CS is surrounded by
Rotor Clouds
Wall Clouds
Shelf Clouds
Roll Clouds
33. Average life of a monsoon depression is
3 - 5 days
10 - 12 days
8 - 9 days
2 - 3 days
34. Surge and Shear Line are features of _______ monsoon
Moderate
Vigorous
Weak
35. Peninsular discontinuity occurs along
West Coast
East coast
Central Peninsula
36. A monsoon depression slopes ______ with height
NW
SE
NE
SW
37. In TRS the central pressure is about
1010 - 1020 hPa
1002 - 1010 hPa
1000 - 900 hPa
38. The well developed extra tropical cyclonic storm is composed of two main frontal systems and an occluded front, which varies in extent
A stationery Front followed by a warm front
A low with a warm front radiating out Southwards followed by a cold front.
None of the above
A warm front and an occluded front
39. For formation of a CS sea surface temperature should be
26 - 27° C
24 - 25° C
23 - 24° C
30° C
40. In the Bay of Bengal during the months of Jul, August, Monsoon Depression form
Central Bay
South Bay
Over Head Bay
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