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MCQs

Total Questions : 360 | Page 31 of 36 pages
Question 301. When Richardson number is equal to zero, what is the wind turbulence characteristic?
  1.    No vertical mixing
  2.    Weak mechanical turbulence due to stratification
  3.    Convective mixing is greater than mechanical turbulence
  4.    Only mechanical turbulence
 Discuss Question
Answer: Option D. -> Only mechanical turbulence
Answer: (d).Only mechanical turbulence
Question 302. What is a “tetroon” in the field of meteorology?
  1.    A tool used to study wind patterns
  2.    A tool used to study pressure variations
  3.    A tool used to study temperature deviations
  4.    A tool used to study humidity
 Discuss Question
Answer: Option A. -> A tool used to study wind patterns
Answer: (a).A tool used to study wind patterns
Question 303. Below what Richardson number does convective mixing start dominating mechanical turbulence?
  1.    0
  2.    -0.04
  3.    -0.03
  4.    -0.1
 Discuss Question
Answer: Option B. -> -0.04
Answer: (b).-0.04
Question 304. Above which Richardson number does vertical mixing in winds disappear?
  1.    1
  2.    0.25
  3.    0.5
  4.    0.75
 Discuss Question
Answer: Option B. -> 0.25
Answer: (b).0.25
Question 305. What does the Richardson number indicate in wind analysis?
  1.    Mechanical turbulence
  2.    Convective heat production
  3.    Mechanical turbulence & Convective heat production
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Mechanical turbulence & Convective heat production
Answer: (c).Mechanical turbulence & Convective heat production
Question 306. Which of the following gases are main contributors to acid rain?
  1.    Carbon dioxide and carbon monoxide
  2.    Sulphur dioxide and carbon dioxide
  3.    Sulphur dioxide and nitrogen dioxide
  4.    Sulphur dioxide and nitrous oxide
 Discuss Question
Answer: Option D. -> Sulphur dioxide and nitrous oxide
Answer: (d).Sulphur dioxide and nitrous oxide
Question 307. What does the term “liming” mean?
  1.    Application of magnesium and calcium rich substances to soil
  2.    Erosion of calcium carbonate(lime) zones in soil
  3.    Excessive growth of lemon trees in acid rain prone regions
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Application of magnesium and calcium rich substances to soil
Answer: (a).Application of magnesium and calcium rich substances to soil
Question 308. Which of the following is/are natural contributor(s) to sulphur dioxide in the atmosphere?
  1.    Sea sprays
  2.    Volcanic eruption
  3.    Decaying vegetation
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 309. Who discovered the phenomenon of acid rain?
  1.    George Brown
  2.    James T. Stewart
  3.    Robert Angus Smith
  4.    Charles David
 Discuss Question
Answer: Option C. -> Robert Angus Smith
Answer: (c).Robert Angus Smith
Question 310. Which place in India receives the highest annual rainfall?
  1.    Mawsynram
  2.    Cherrapunji
  3.    Siju
  4.    Phyllut
 Discuss Question
Answer: Option A. -> Mawsynram
Answer: (a).Mawsynram

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