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