Refresher

Question 1

Which among the following has the longest wavelength?
A. infrared
B. untraviolet
C. gamma
D. visible light

Answer 1

A

Question 2

The WMO recommends a minimum network density for mountainous
tropical zones of
A. 1 gauge for 100 to 250 km2
B. 1 gauge for 600 to 900 km2
C. 1 gauge for 900 to 3000 km2
D. 1 gauge for 1500 to 10,000 km2

Answer 2

A

Question 3

Which among the following is false?
A. New Thiessen polygons must be constructed when a new station is
installed.
B. Cyclones in the northern hemisphere moves in the counterclockwise
direction.
C. Greater evaporation occurs on areas with high albedo.
D. The intensity of a storm is an inverse function of its duration.

Answer 3

C

Question 4

Equal values of dry bulb temperature and wet bulb temperature would
yield a relative humidity of
A. a positive value
B. a negative value
C. 0 %
D. 100 %

Answer 4

D

Question 5

The decrease in temperature with respect to an increasing altitude can be
manifested on what layers?
A. troposphere and mesosphere
B. tropopause and stratopause
C. mesosphere and chromosphere
D. stratosphere and ozone layer

Answer 5

A

Tropopause - temperature inversion
Stratopause - temperature decreases
mesosphere - the coldest layer
chromosphere - layer of the sun’s atmosphere
stratosphere - experiences a temperature increase with altitude

Question 6

Winter solstice in the southern hemisphere occurs some time in
A. March
B. June
C. September
D. December

Answer 6

B

In northern hemisphere
- December

Question 7

Perihelion in the northern hemisphere occurs some time in
A. January
B. March
C. July
D. December

Answer 7

A