Questions and answers for exam Preparation

MCQs

Total Questions : 207 | Page 14 of 21 pages

Question 131. Which of the following is extremely important with respect to a passive solar heating and cooling system?

Materials used to construct the building
Electrical systems used to perform heating/cooling operation
Mechanical systems used to perform heating/cooling operation
Material used to build heating/cooling systems

Discuss Question

Answer: Option A. -> Materials used to construct the building
Answer: (a).Materials used to construct the building

Question 132. Which of the following is an example of passive solar technology?

Photovoltaic
Solar furnace
Active solar water heating systems
Solar thermo-mechanical systems

Discuss Question

Answer: Option B. -> Solar furnace
Answer: (b).Solar furnace

Question 133. Which of the following is a conventional solar water system?

Solar air collectors
Flat-plate collectors
Parabolic dish collectors
Linear Fresnel collectors

Discuss Question

Answer: Option B. -> Flat-plate collectors
Answer: (b).Flat-plate collectors

Question 134. What solar thermal technologies are useful for industrial processes?

Photovoltaics and solar air collectors
Solar air collectors and geothermal energy
Solar air collectors and solar water systems
Geothermal and photovoltaics

Discuss Question

Answer: Option C. -> Solar air collectors and solar water systems
Answer: (c).Solar air collectors and solar water systems

Question 135. How does using a solar air collector benefit food processing industry?

Reduce gas-or-oil-based drying and/or reduce food spoilage
Reduce food spoilage and increase gas-or-oil base drying
Increase food spoilage
Increase gas-or-oil-based drying and/or increase food spoilage

Discuss Question

Answer: Option A. -> Reduce gas-or-oil-based drying and/or reduce food spoilage
Answer: (a).Reduce gas-or-oil-based drying and/or reduce food spoilage

Question 136. Which industry primarily uses solar air collectors?

Industries manufacturing plastic
Industries melting metals
Semiconductor industry
Food processing industry

Discuss Question

Answer: Option D. -> Food processing industry
Answer: (d).Food processing industry

Question 137. Which application is best suited for a solar water system?

Food industry
Semiconductor industry
Residential applications
Liquid adsorption

Discuss Question

Answer: Option C. -> Residential applications
Answer: (c).Residential applications

Question 138. Solar concentrators are used for temperatures beyond 500 degree Celsius.

True
False
May be True or False
Can't say

Discuss Question

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

Question 139. What is refrigeration?

A process where is work is done is to add heat from one system to another
A process where heat is used by the system to do work
A process where work is done to move heat from one system to another
A process where work is done to add cold air into the system

Discuss Question

Answer: Option C. -> A process where work is done to move heat from one system to another
Answer: (c).A process where work is done to move heat from one system to another

Question 140. Which of the following are types of photovoltaic refrigeration?

Vapour compression refrigeration and thermoelectric refrigeration
Vapour compression refrigeration and vapour jet refrigeration
Photovoltaics and concentrated solar power systems
Rankine cycle and vapour jet refrigeration

Discuss Question

Answer: Option A. -> Vapour compression refrigeration and thermoelectric refrigeration
Answer: (a).Vapour compression refrigeration and thermoelectric refrigeration