Heat and effects advantages and disadvantages
Answers
Health Impacts Increased temperatures and increase in extreme heat events cause heat exhausting, heat stroke, and death, especially in vulnerable populations.
+ Heat energy is easily obtained from burning fuels..
+ To do all our activities in ease, we need mechnical work…. Mechanical work is a high grade energy it is not available directly…Heat is the main source of mechanical energy (ENGINES).
+ We also use most of our equipment's to run on electrical energy. Electrical energy is also a high grade energy it also cannot be available directly…Heat is the main source of electrical energy (THERMAL POWER PLANT)
+ Heat can be easily converted to other forms of energies. There are lot of mechanisms and equipments available that can convert heat engine to other forms of energy…
- Cons are based on the source of heat energy. Major source of heat energy is Coal for Thermal power plant and Crude oil for automobiles. They cause pollution to the environment by emissions. But heat energy obtained from the renewable sources such as Geothermal and solar energy are clean and safe.
- Heat transfer is highly a irreversible process and cause increase in entropy. This increases the disordernesss of the environment in which it is rejected..
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