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MCQs

Total Questions : 60 | Page 5 of 6 pages
Question 41. Which of the following is a good choice for working fluid?
  1.    CFCs
  2.    Steam
  3.    Surface seawater
  4.    Deep seawater
 Discuss Question
Answer: Option A. -> CFCs
Answer: (a).CFCs
Question 42. The wall thickness of pipes used to transport the vapour increases as the vapour pressure of working fluid increases.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 43. Which of the following best describes hybrid ocean thermal energy conversion?
  1.    Warm surface seawater → low-pressure container → turbine/generator
  2.    Deep seawater → vacuum chamber → flash-evaporated → steam vapourises ammonia → turbine
  3.    Warm surface seawater → vacuum chamber → flash-evaporated → steam vapourises ammonia → turbine
  4.    Deep seawater → low-pressure container → turbine/generator
 Discuss Question
Answer: Option C. -> Warm surface seawater → vacuum chamber → flash-evaporated → steam vapourises ammonia → turbine
Answer: (c).Warm surface seawater → vacuum chamber → flash-evaporated → steam vapourises ammonia → turbine
Question 44. How does hybrid OTEC provide desalinized water?
  1.    By evaporating the warm surface seawater
  2.    By solidifying the warm surface seawater
  3.    By condensing the steam generated from deep seawater
  4.    By condensing the steam generated from warm surface seawater
 Discuss Question
Answer: Option D. -> By condensing the steam generated from warm surface seawater
Answer: (d).By condensing the steam generated from warm surface seawater
Question 45. As the vapour pressure of working fluid increases the size of turbine ________
  1.    increases
  2.    decreases
  3.    does not change
  4.    first increases then decreases
 Discuss Question
Answer: Option B. -> decreases
Answer: (b).decreases
Question 46. What are the three ways to harness tidal energy?
  1.    Tidal streams, tidal barrages and wind
  2.    Tidal barrages, wind and sun
  3.    Tidal lagoons, river streams and geothermal reservoirs
  4.    Tidal lagoons, tidal streams and tidal barrages
 Discuss Question
Answer: Option D. -> Tidal lagoons, tidal streams and tidal barrages
Answer: (d).Tidal lagoons, tidal streams and tidal barrages
Question 47. The United States has an economical tidal power plant.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 48. Which of the following tidal barrages has the largest capacity to generate electricity?
  1.    La Rance
  2.    Annapolis Royal
  3.    The Sihwa Lake Tidal Power Station
  4.    Russian tidal plants
 Discuss Question
Answer: Option C. -> The Sihwa Lake Tidal Power Station
Answer: (c).The Sihwa Lake Tidal Power Station
Question 49. What is a tidal stream?
  1.    A river streams
  2.    A fast-flowing body of water due to tides
  3.    A fast-flowing body of water deposited into ocean
  4.    A fast-flowing body of water due to winds
 Discuss Question
Answer: Option B. -> A fast-flowing body of water due to tides
Answer: (b).A fast-flowing body of water due to tides
Question 50. Tidal generators produce steady and reliable stream of electricity.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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