Question

write the energy conversion thermal power plant and Hydel power plant also write two limitations of each

Answer 1

A thermal power station is a power station in which heat energy is converted to electric power.
limitations:
1. Huge production of Carbon-di-oxide (CO2) in the atmosphere. 
2. Exhausted gases harms outside environment badly.
3. Low overall efficiency.
4. Thermal engines requires huge amount oflubricating oil that is very expensive. 
5. Nuclear thermal power plant demandsexcessive amount of water for cooling purpose.
6. Coal type thermal power plant requires comparatively larger duration before it supply generated power to the grid.
7. This type of power station ultimately responsible for raise in sea water level.

Hydropower plants capture the energy of falling water to generate electricity. ... Then a generator converts the mechanical energy from the turbine into electrical energy.

limitations :
Limitation of abundant potential water sources availability is expected to hinder global hydropower market. Hydropower plant requires huge initial investment which may hamper the market growth. However, long run operating cost is lower than other conventional source based plants owing to approximately zero raw material cost which is free water.