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Grade: 12
        
the efficiency of a carnot engine is 50% and sink temperature  of the sink is 500K.if the temperature of source is kept constant and its efficiency is to be raised to 60% then required temperature of sink will be
2 years ago

Answers : (1)

Arun
23742 Points
							
Dear Praveen

Efficiency n = (t2-t1)/ t2 

Where t2 is the source temperature and t1 is the sink temperature  

Now when the efficiency is 50% 

0.5 = (t2-500)/T2 

T2 = 1000K 

When the efficiency is  

0.6 = (t2-t1)/T2 

The required temperature of the sink will be  

T1 = 400k

 

Regards

Arun (askIITians forum expert)

 
2 years ago
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