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An inventor claims that heat engine has the following specifications: Power developed  = 50 kW

 Fuel burned per hour  = 3 kg

 Heating value of fuel = 75, 000 kJ per kg

 Temperature limits = 6270 C and 270 C,

 Value of power  = Rs. 30 k/g

 The performance of his engine is

 (a) Possible                  (b) Not possible  

 (c) Economical              (d) Uneconomical

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