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in thermal power plant the steam produced is made to cool
after falling on the turbine blades.
my question is why this is done while the same is needed to
heat up again.
"jab pani ko wapis garam hi karna hai to thanda kyu karte
hai"
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Answer Posted / lalit vaidya
BECAUSE IT IS VERY DIFFICULT TO CONVERT ENERGY WITHOUT TEMP. DIFF. GREATER BE THE TEMP DIFF. GREATER WILL BE HEAT ENERGY CONVERTED IN TO MECH. ONE ACCORDING THERMODYNAMICS LAWS .
ALSO WHEN EFFICIENCY IS CONCERN LOW PRESSURE HEAT ENERGY GIVE MORE TURBINE OUTPUT HENCE IT HAS TO RECYCLE AGAIN
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