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MCQs

Total Questions : 207 | Page 13 of 21 pages
Question 121. Organic vapours are used small plants and low powered solar thermo-mechanical systems.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 122. What is the minimum vapour pressure (in kPa) of the working fluid to drive a turbine?
  1.    300
  2.    700
  3.    100
  4.    50
 Discuss Question
Answer: Option B. -> 700
Answer: (b).700
Question 123. Evacuated flat-plate solar collectors use _______ pumps.
  1.    Heat pump
  2.    Flash getter pump
  3.    Non-evaporable getter
  4.    Internal combustion
 Discuss Question
Answer: Option C. -> Non-evaporable getter
Answer: (c).Non-evaporable getter
Question 124. Polymer flat plate collectors can use plain water.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 125. Bowl collectors operate similarly to _______
  1.    parabolic dish
  2.    flat plate collector
  3.    evacuated-tube collector
  4.    evacuated flat tube collector
 Discuss Question
Answer: Option A. -> parabolic dish
Answer: (a).parabolic dish
Question 126. What advantage does polymer collector have over metal collector?
  1.    Better sales as they are produced in Europe
  2.    Poor sales as they are produced in Europe
  3.    They cannot be used in cold climate
  4.    They can be used in cold climate
 Discuss Question
Answer: Option D. -> They can be used in cold climate
Answer: (d).They can be used in cold climate
Question 127. Bowl collectors use a fixed curved receiver.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 128. Which of the following is used to regulate temperature in solar heating and cooling system?
  1.    Air conditioners
  2.    Specific building systems
  3.    Water heaters
  4.    Room heaters
 Discuss Question
Answer: Option B. -> Specific building systems
Answer: (b).Specific building systems
Question 129. Which of the following is not used in a passive solar heating/cooling system?
  1.    Building walls
  2.    Building roofs
  3.    Air conditioners
  4.    Building floors
 Discuss Question
Answer: Option C. -> Air conditioners
Answer: (c).Air conditioners
Question 130. What is a passive solar heating and cooling system?
  1.    Uses building design with mechanical systems to regulate the temperature outside a given space
  2.    Uses building design with mechanical systems to monotonically increase the temperature inside a given space
  3.    Uses building design without any solar heating (and cooling) system to regulate the temperature outside a given space
  4.    Uses building design without any solar heating (and cooling) system to regulate the temperature inside a given space
 Discuss Question
Answer: Option D. -> Uses building design without any solar heating (and cooling) system to regulate the temperature inside a given space
Answer: (d).Uses building design without any solar heating (and cooling) system to regulate the temperature inside a given space

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