Air Pollution Meteorology MCQs : This section focuses on the "Air Pollution Meteorology". These Multiple Choice Questions (MCQs) should be practiced to improve the Air Pollution Meteorology skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Below what Richardson number does convective mixing start dominating mechanical turbulence?
A. 0
B. -0.04
C. -0.03
D. -0.1
Question 2
Above which Richardson number does vertical mixing in winds disappear?
A. 1
B. 0.25
C. 0.5
D. 0.75
Question 3
How does atmospheric pressure vary with increase in altitude?
A. It decreases linearly
B. It decreases exponentially
C. It increases linearly
D. It increases till stratosphere and then starts decreasing exponentially
Question 4
The stability of the stratosphere is due to which of the following reasons?
A. Absorption of solar energy by ozone layer
B. Strong wind currents
C. Pressure is minimal
D. All of the mentioned
Question 5
What does the Richardson number indicate in wind analysis?
A. Mechanical turbulence
B. Convective heat production
C. Mechanical turbulence & Convective heat production
D. None of the mentioned
Question 6
What does the term “turbidity” indicate in atmospheric quality?
A. Indicates density of clouds
B. Reduction of light due to dust particles
C. Indicates the humidity
D. Turbulence of winds
Question 7
What does the term obliquity indicate?
A. Earth’s axial tilt of 23.5 degrees
B. Alignment of the Earth’s internal magnetic field
C. Analysis of ocean currents
D. Pressure variation over different seasons
Question 8
What does the word ‘meteorology’ define?
A. Study of meteors and asteroids
B. Study of measurements and instruments
C. Study of chemical properties of metals
D. Study of the weather and atmospheric changes
Question 9
What is a “tetroon” in the field of meteorology?
A. A tool used to study wind patterns
B. A tool used to study pressure variations
C. A tool used to study temperature deviations
D. A tool used to study humidity
Question 10
What is high pressure area with sinking air also known as?
A. Cyclone
B. Anti-cyclone
C. Eddy zone
D. Richardson zone
Question 11
When Richardson number is equal to zero, what is the wind turbulence characteristic?
A. No vertical mixing
B. Weak mechanical turbulence due to stratification
C. Convective mixing is greater than mechanical turbulence
D. Only mechanical turbulence
Question 12
Which are the two forces balanced by the geostrophic wind?
A. Coriolis effect and pressure gradient force
B. Coriolis force and centrifugal force
C. Frictional force and pressure gradient force
D. Pressure gradient force and centrifugal force
Question 13
Which of the following gases vary significantly over time and place at the atmospheric boundary level?
A. Carbon dioxide
B. Ozone
C. Water vapour
D. Oxygen
Question 14
Which of the following is regarded as climate control factor(s)?
A. Latitude
B. Elevation
C. Ocean currents
D. All of the mentioned
Question 15
Which of the following has the highest albedo?
A. Water surface
B. Plateau surfaces
C. Vegetation
D. Fresh snow