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