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MCQs

Total Questions : 207 | Page 18 of 21 pages
Question 171. What type of cooking containers are used to cook food on a solar cooker?
  1.    Gold
  2.    Wooden
  3.    Steel
  4.    Plastic
 Discuss Question
Answer: Option C. -> Steel
Answer: (c).Steel
Question 172. To reduce heat loss, where are insulators used in a solar box cooker?
  1.    On the reflective material
  2.    On the cooking platform
  3.    Reflective materials are made of insulators
  4.    Space between the outer and inner box
 Discuss Question
Answer: Option D. -> Space between the outer and inner box
Answer: (d).Space between the outer and inner box
Question 173. Solar furnaces can be used as solar cookers for domestic purposes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 174. The largest solar furnace is in France.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 175. What is solar dryer?
  1.    Use solar energy to dry substances
  2.    Use solar energy to evaporate water and collect it within the same closed system
  3.    Use solar energy to evaporate water and collect its condensate within the same closed system
  4.    Use solar energy to dry liquids
 Discuss Question
Answer: Option A. -> Use solar energy to dry substances
Answer: (a).Use solar energy to dry substances
Question 176. What is the most popular use of solar dryer?
  1.    Water
  2.    Food
  3.    Chemicals
  4.    Industrial substances
 Discuss Question
Answer: Option B. -> Food
Answer: (b).Food
Question 177. What are the two general types of solar dryers?
  1.    Direct and active
  2.    Indirect and passive
  3.    Direct and indirect
  4.    Box like and cone shaped
 Discuss Question
Answer: Option C. -> Direct and indirect
Answer: (c).Direct and indirect
Question 178. Which of the following is an example of indirect solar dryer?
  1.    Wet clothes laid on wired lines
  2.    Solar cabinet dryer
  3.    Solar tunnel dryer
  4.    Biomass cabinet dryer
 Discuss Question
Answer: Option B. -> Solar cabinet dryer
Answer: (b).Solar cabinet dryer
Question 179. Indirect solar dryers work on natural air convection.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 180. Which of the following houses the process of solar distillation?
  1.    Solar thermo-mechanical system
  2.    Solar still
  3.    Photovoltaics
  4.    Heat engines
 Discuss Question
Answer: Option B. -> Solar still
Answer: (b).Solar still

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