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MCQs

Total Questions : 90 | Page 9 of 9 pages
Question 81. Why are renewable resources preferred?
  1.    Cheap
  2.    Profitable
  3.    Release little greenhouse gases
  4.    Are freely available
 Discuss Question
Answer: Option C. -> Release little greenhouse gases
Answer: (c).Release little greenhouse gases
Question 82. Why is biomass gasification useful?
  1.    To get gases which can be used as fuel
  2.    To reduce solid waste
  3.    To increase solid waste
  4.    Biomass gasifiers are economical
 Discuss Question
Answer: Option A. -> To get gases which can be used as fuel
Answer: (a).To get gases which can be used as fuel
Question 83. Which of the following is a thermal application of biomass?
  1.    Freezing
  2.    Anaerobic Digestion
  3.    Fermentation
  4.    Combustion
 Discuss Question
Answer: Option D. -> Combustion
Answer: (d).Combustion
Question 84. Which of the following use producer gas from biomass?
  1.    Hydrothermal plant
  2.    Paper and textile industry
  3.    Wind plants
  4.    Fuel cells
 Discuss Question
Answer: Option B. -> Paper and textile industry
Answer: (b).Paper and textile industry
Question 85. Biomass is used to produce electricity.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 86. Why are geopressurized sites desirably?
  1.    Because they increase the energy required to pump the resource
  2.    Because they increase the temperature of the resource
  3.    Because they decrease the energy required to pump the resource
  4.    Because they decrease the temperature of the resource
 Discuss Question
Answer: Option C. -> Because they decrease the energy required to pump the resource
Answer: (c).Because they decrease the energy required to pump the resource
Question 87. What are geopressurised resources?
  1.    Increased pressure in the geothermal reservoir
  2.    Increased temperature in the geothermal reservoir
  3.    Decreased temperature in the geothermal reservoir
  4.    Decreased pressure in the geothermal reservoir
 Discuss Question
Answer: Option A. -> Increased pressure in the geothermal reservoir
Answer: (a).Increased pressure in the geothermal reservoir
Question 88. What is a binary cycle power plant?
  1.    Lower temperature hot water is used to cool a fluid which compresses
  2.    Higher temperature hot water is used to cool a fluid which compresses
  3.    Lower temperature hot water is used to heat a fluid which expands
  4.    Higher temperature hot water is used to heat a fluid which compresses
 Discuss Question
Answer: Option C. -> Lower temperature hot water is used to heat a fluid which expands
Answer: (c).Lower temperature hot water is used to heat a fluid which expands
Question 89. Which of the following is used to run the turbine in a binary cycle power plant?
  1.    Fluid compressed due to hot water from the geothermal site
  2.    Hot water
  3.    Steam
  4.    Fluid expanded due to hot water from the geothermal site
 Discuss Question
Answer: Option D. -> Fluid expanded due to hot water from the geothermal site
Answer: (d).Fluid expanded due to hot water from the geothermal site
Question 90. The pressure inside a geothermal reservoir increases due to the weight of the sediment layer.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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