An engine manufacturer claims to have developed a heat engine with the following speciicationss Power deve sped = 75 kW; Fuel burnt = 5 kJ/hr Heating value of fuel = 75,000 kJ/kg Temperature limits =...

An engine manufacturer claims to have developed a heat engine with the following speciicationss

Power deve sped = 75 kW; Fuel burnt = 5 kJ/hr Heating value of fuel = 75,000 kJ/kg

Temperature limits = 1000 K and 400 K

Is the claim of the manufacturer true or false? Give reasons for your answer.