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In: Mechanical Engineering

In a winter season when outside temperature is –1oC, the inside of house is to be...

In a winter season when outside temperature is –1oC, the inside of house is to be maintained at 25oC. Estimate the minimum power required to run the heat pump of maintaining the temperature. Assume heating load as 125 MJ/h.

What would be maximum efficiency of engine that

     can be had between the temperatures of 1150oC

      and 27oC ?

1.A heat engine is supplied with 278 kJ/s of heat at a constant fixed temperature of 283°C and the heat rejection takes place at 5°C. The following results were reported :

(i) 208 kJ/s are rejected, (ii) 139 kJ/s are rejected, (ii) 70 kJ/s are rejected.

    Classify which of the results report a reversible cycle or irreversible cycle or impossible results.

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samet mamat answered 2 years ago
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