1.
DALR = 9.8 °C, ELR = 6.8 °C ;
atmosphere is
a.
stable
b.
unstable
c.
indifferent
2.
SALR = 5.5 °C, ELR= 4.5 °C ;
atmosphere is
a.
unstable
b.
stable
c.
indifferent
3.
DALR > ELR > SALR
a.
conditionally stable
b.
latently stable
c.
potentially stable
4.
Dry air is unstable when
a.
ELR-DALR
b.
ELR>DALR
c.
ELR<DALR
5.
The saturated air is said to be
unstable if
a.
SALR=ELR
b.
SALR<ELR
c.
SALR > ELR
6.
If ELR = SALR - DALR the
atmosphere is
a.
Stable
b.
Instable
c.
Indifferent
7.
DALR means:
a.
The rate at which
temperature of unsaturated parcel of air falls with height
b.
when made to ascend
adiabatically
c.
The rate at which temp falls
with height
d.
The rate at which ascending
parcel of saturated air cools
8.
The surface air temp, is 30° C.
Assuming DALR prevailing what is the temperature at 2 km
a.
18° C
b.
10° C
c.
42° C
9.
An Isothermal atmosphere is
a.
Stable
b.
Unstable
c.
Neutral
10. If environmental lapse rate(ELR) is less than SALR, that part of the
atmosphere is said to be:
a.
Absolutely unstable
b.
Conditionally stable
c.
Absolutely stable
11. DALR is approximately
a.
5 ° C /km
b.
15 ° C /km
c.
10 ° C /km
12. SALR at mean sea level is about
a.
10 ° C/Km
b.
5 ° C/Km
c.
5 ° F/Km
13. SALR approaches DALR
a.
at 0°C
b.
at -15°F
c.
at -40°C
14. Dry air having a temperature of 35°C on surface when forced to rise
adiabatically by 1 km would attain a temperature of
a.
29°C
b.
25°C
c.
45°C
15. Inversion in the atmosphere indicates
a.
Stability
b.
Instability
c.
Neutrality
16. Inversion is Lapse Rate (LR)
a.
Positive
b.
Negative
c.
Neutral
17. Environmental LR can be more than DALR
a.
True
b.
False
18. The process which to a large extent determines the vertical
distribution of temperature in atmosphere is
a.
Adiabatic
b.
Isothermal
c.
Isentropic
19. Rise in temperature with height is
a.
Inversion
b.
Lapse
c.
(c) Normal
20. Inversion is common in
a.
Post Monsoon
b.
Monsoon
c.
Winters
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