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Questions for IC TROPICAL SYSTEM
Answer the following questions
Test Mode
Training Mode
1. No CS form
At Equator
AT Lat 40 deg
At poles
All these
2. Monsoon depressions move faster over
Sea
Plains
Hills
Rivers
3. In a extra tropical cyclone family there are 3 - 4 CS or depressions, one to the ___ of the other
NW
NE
SE
SW
4. Wind speed in a tropical severe cyclone is
48 - 63 kt
17 - 27 kt
27 - 33 kt
5. In a mature tropical cyclone, the eye area is characterised by
hurricane force winds and squalls
calm wind, little clouding and practically no rainfall
moderate winds and heavy rains
6. 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
7. In TRS pressure gradient is very steep up to a radius of
30 km
400 km
100 km
50 km
8. Average life of a monsoon depression is
2 - 3 days
3 - 5 days
8 - 9 days
10 - 12 days
9. Peninsular discontinuity occurs during
NE Monsoon
Monsoon
Pre Monsoon
10. For formation of a CS sea surface temperature should be
30° C
23 - 24° C
24 - 25° C
26 - 27° C
11. A Tropical Cyclone moves ______ in a day
500 -700 km
700 - 900 km
300 - 500 km
12. The ________ is the most dangerous part of the cyclone is
eye
Outer storm area
complete cyclone
eye wall
13. In TRS the central pressure is about
1002 - 1010 hPa
1010 - 1020 hPa
1000 - 900 hPa
14. In the Bay of Bengal during the months of Jul, August, Monsoon Depression form
Over Head Bay
Central Bay
South Bay
15. Average life of a tropical cyclone in India is
10 Days
3-4 Days
6-8 Days
16. The well developed extra tropical cyclonic storm is composed of two main frontal systems and an occluded front, which varies in extent
None of the above
A warm front and an occluded front
A stationery Front followed by a warm front
A low with a warm front radiating out Southwards followed by a cold front.
17. A monsoon depression slopes ______ with height
SW
NW
SE
NE
18. Cyclonic storms are confined almost entirely to the
Polar lat.
Tropical Latitudes
Mid lat.
Latitudes near Equator
19. Peninsular discontinuity occurs along
West Coast
Central Peninsula
East coast
20. TRS develop over ______ deg Lat
30 - 40
5 -15
25 - 30
0 - 5
21. Cyclonic storm across Tamil Nadu coast in
Feb - May
Jul - Aug
Oct - Nov
22. On whatever compass course the cyclone is approached, strong winds from the port indicate that the centre lies somewhere
Port
Starboard
Behind
Ahead
23. Fronts are characteristics of
Extra - tropical depressions
Tropical cyclone
Monsoon depressions
24. In a CS the wind speed is
34 - 47 kt
28 - 33 kt
17 - 27 kt
<17 kt
25. In a depression the wind speed is
<17 kt
34 - 47 kt
17 - 27 kt
48 - 63 kt
26. Extra-tropical Storms generally move in the direction
S to E
S to W
E to W
W to E
27. Surge and Shear Line are features of _______ monsoon
Moderate
Weak
Vigorous
28. During re-curvature maximum weather in a monsoon depression occur in
SE sector
NE sector
SW sector
NW sector
29. Eye of a CS is surrounded by
Rotor Clouds
Wall Clouds
Roll Clouds
Shelf Clouds
30. Surge is also
Velocity Divergence
lite ITCZ
Velocity Convergence
31. Surge is sudden strengthening of wind in the ______ air mass
Different
Same
Both
32. The weather expected in a well developed cyclonic storm is
Moderate Weather
Stormy weather
No wind or temperature change
Clear skies
33. In a monsoon depression maximum weather occurs in
SW sector
NW sector
SE sector
34. A Tropical CS has outer storm area of about
>700 km
>900 km
>400 km
35. After entering land the Cyclones gradually die down
False
True
36. Cyclonic storms form over Indian seas during
SW monsoon
Pre-Monsoon & Post Monsoon
Winter Season
37. TRS develop over
Sea
Land
Islands
at equator
38. TRS occurs over Indian seas in:-
Equatorial Region
5 - 15° N
0 - 5° N
39. CS in India are mostly of intensity
Moderate
Very Weak
Severe
40. Extra Tropical Storms originate in
Tropical Front
Equatorial Front
Polar Front
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