1.
Drizzle occurs from
a.
CS
b.
ST
c.
NS
d.
CU
2.
Altostratus (AS) is
a.
Low cloud of sheet type
b.
A medium cloud of sheet
type
c.
A cloud of large vertical
growth
d.
A high cloud of sheet type
3.
Showers occurs from
a.
CU
b.
CB
c.
AS
d.
AC
4.
Heavy icing is possible in
a.
CI
b.
CS
c.
ST
d.
CB
5.
To avoid icing in cloudy
conditions, a pilot is advised to fly through a cloud which shows an optical
phenomena
a.
Halo
b.
Corona
c.
With multi-coloured clouds
6.
Dark gray cloud giving
continuous rain is called
a.
AS
b.
NS
c.
ST
d.
CB
7.
A uniform layer of cloud
resembling fog but not on the ground
a.
AS
b.
NS
c.
ST
8.
The clouds composed of ice
crystals having feathery appearance
a.
CI
b.
CS
c.
AS
9.
NS clouds occur
a.
At cold front
b.
At warm front
10. Halo is associated with the cloud
a.
AC
b.
AS
c.
CS
d.
CI
11. Corona
a.
AS
b.
AC
c.
CC
d.
CS
12. Lenticular clouds indicate presence of
a.
Warm Front
b.
Cold front
c.
Mountain waves
13. The lowest level below which condensation trails will not form is
a.
Mintra Level
b.
Drytra Level
c.
Maxtra Level
14. Rain falling from cloud but not reaching ground is
a.
Virgo
b.
Virga
c.
Mirage
15. CB with distinct anvil is called
a.
Castellanus
b.
Capillatus
c.
Uncinus
16. Cloud ceiling is the height of the cloud covering
a.
3-4/8
b.
8/8
c.
5/8 or more
17. No condensation trails occur above
a.
Maxtra Level
b.
Dytra Level
c.
Mintra Level
18. Cloud of operational significance has base below m or below the highest minimum sector
altitude, which is greater
a.
1500
b.
2000
c.
1000
19. AC cloud with cumuliform protuberances are indicative of
a.
Stability
b.
Instability
c.
Neutrality
20. Hail may be experienced under the anvil of a CB
a.
True
b.
False
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