Asked by Julissa Vicharelli on Jul 14, 2024
Verified
What has the highest net energy ratio for space heating?
A) passive solar
B) oil
C) active solar
D) electric resistance heating
Net Energy Ratio
A measure comparing the amount of energy required to produce energy to the amount of energy produced, indicating the efficiency of energy production.
Space Heating
The process of providing heat to interior spaces for the purpose of ensuring comfort for occupants, typically accomplished through systems such as furnaces, heat pumps, or radiators.
- Ascertain which energy source offers the highest net energy ratio for diverse uses.
Verified Answer
KH
Kirat HanjraJul 19, 2024
Final Answer :
A
Explanation :
Passive solar heating systems use the sun's energy to naturally heat a space, without the need for mechanical or electrical systems. Because they do not require external energy inputs, they have a high net energy ratio compared to other heating sources. Active solar heating also uses solar energy, but requires mechanical systems to circulate the heated air or liquid, which lowers its net energy ratio. Oil and electric resistance heating both have low net energy ratios due to the high energy inputs required to extract or produce the fuel or electricity.
Learning Objectives
- Ascertain which energy source offers the highest net energy ratio for diverse uses.
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