Questions and answers for exam Preparation

MCQs

Total Questions : 207 | Page 19 of 21 pages

Question 181. What is solar distillation?

Use solar energy to evaporate water and collect its condensate within the same closed system
Use solar energy to evaporate water and collect it within the same closed system
Use solar energy to collect the condensate of water within the same closed system
Use solar energy to evaporate water and collect its condensate within different closed systems

Discuss Question

Answer: Option A. -> Use solar energy to evaporate water and collect its condensate within the same closed system
Answer: (a).Use solar energy to evaporate water and collect its condensate within the same closed system

Question 182. Which of the following is a configuration of solar still?

Solar panel
Solar cell
Cone shaped
Frustum shaped

Discuss Question

Answer: Option C. -> Cone shaped
Answer: (c).Cone shaped

Question 183. Which of the following are examples of active solar stills?

Compound Parabolic Concentrators and flat plate collectors
Solar heater and photovoltaics
Flat plate collectors and heat engines
Compound parabolic concentrators and sun

Discuss Question

Answer: Option A. -> Compound Parabolic Concentrators and flat plate collectors
Answer: (a).Compound Parabolic Concentrators and flat plate collectors

Question 184. Active stills demote faster and larger quantities of freshwater generation.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option B. -> False
Answer: (b).False

Question 185. Which of the following is a type of passive stills?

Solar still with compound parabolic concentrator
Single-effect stills with flat plate collectors
Multi-effect stills with compound parabolic concentrator
Single-effect solar still

Discuss Question

Answer: Option D. -> Single-effect solar still
Answer: (d).Single-effect solar still

Question 186. What is a passive solar still?

A solar still that uses photovoltaics to start
A solar still that relies only on sun and wind
A solar still that solely relies on sun to distill water
A solar still that uses additional heat sources apart from sun

Discuss Question

Answer: Option C. -> A solar still that solely relies on sun to distill water
Answer: (c).A solar still that solely relies on sun to distill water

Question 187. In a single-effect still, it is crucial to keep the distiller _______

airtight
aerated
connected with another distiller
connected with multiple distillers

Discuss Question

Answer: Option A. -> airtight
Answer: (a).airtight

Question 188. Neutral stills use seawater greenhouses to create freshwater.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 189. What is a heat engine?

System that converts thermal energy to mechanical energy
System that converts thermal and chemical energy to mechanical energy
System that converts mechanical energy to thermal energy
System that converts mechanical energy to thermal and chemical energy

Discuss Question

Answer: Option B. -> System that converts thermal and chemical energy to mechanical energy
Answer: (b).System that converts thermal and chemical energy to mechanical energy

Question 190. A good insulator is necessary to reduce thermal losses in solar stills.