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MCQs

Total Questions : 119 | Page 8 of 12 pages
Question 71. In coal fired power plants what is scrubbed out from the flue gases?
  1.    Lead
  2.    Mercury
  3.    Sulphur
  4.    Manganese
 Discuss Question
Answer: Option C. -> Sulphur
Answer: (c).Sulphur
Question 72. What is the process of Flue gas Desulphurization?
  1.    It's the conversion of sulphurdioxide to calcium sulphate
  2.    It's the conversion of limestone to calcium sulphate
  3.    conversion of Sulphurdioxide into Limestone
  4.    Conversion of flue gases into limestone
 Discuss Question
Answer: Option A. -> It's the conversion of sulphurdioxide to calcium sulphate
Answer: (a).It's the conversion of sulphurdioxide to calcium sulphate
Question 73. How the Nitrogen oxide can be reduced in flue gases?
  1.    Selective Catalytic reduction
  2.    Flue Gas desulphurization
  3.    Catalytic Cells
  4.    By introducing filters in the chimney's
 Discuss Question
Answer: Option A. -> Selective Catalytic reduction
Answer: (a).Selective Catalytic reduction
Question 74. FGD stands for
  1.    Focus group Discussion
  2.    Flue Gas desulphurization
  3.    Feature group Discussion
  4.    Ferro Gas desulphurization
 Discuss Question
Answer: Option B. -> Flue Gas desulphurization
Answer: (b).Flue Gas desulphurization
Question 75. What would have been the average temperature of Earth without greenhouse gases?
  1.    0°C
  2.    -7°C
  3.    -9°C
  4.    -19°C
 Discuss Question
Answer: Option D. -> -19°C
Answer: (d).-19°C
Question 76. What is the emissivity of the Earth’s surface?
  1.    0.457
  2.    0.578
  3.    0.135
  4.    1.42
 Discuss Question
Answer: Option A. -> 0.457
Answer: (a).0.457
Question 77. The Earth is still said to be in the “ice age” period.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 78. Ever since the industrial revolution, by how much has the average temperature of the Earth increased?
  1.    0.24°C
  2.    0.6°C
  3.    1.2°C
  4.    1.8°C
 Discuss Question
Answer: Option B. -> 0.6°C
Answer: (b).0.6°C
Question 79. How much of the sun’s radiation energy is absorbed by the greenhouse gases to warm the planet?
  1.    75PW
  2.    1750GW
  3.    1500MW
  4.    150TW
 Discuss Question
Answer: Option A. -> 75PW
Answer: (a).75PW
Question 80. In which layer of the ionosphere does the International Space Station orbit?
  1.    D
  2.    E
  3.    F
  4.    G
 Discuss Question
Answer: Option C. -> F
Answer: (c).F

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