1
10
100
รขยย1
Answer is Right!
Answer is Wrong!
Detailed SolutionCOP of heat pump is greater than the COP of refrigerator by
thermodynamics
2. In a Bell Coleman Refrigeration plant, compression and expansion of air are isentropic. If the temperature of air entering and leaving the expander are 400 K and 200 K respectively then what will be the COP of the plant ? then what will be the COP of the plant ?
0.5
1
1.5
2
Answer is Right!
Answer is Wrong!
3. A heat engine receives heat from a source at 1600 K at a rate of 400 kW and rejects the waste heat to a medium at 400 K. If the power output from the heat engine is 200 kW, the irreversibility rate for the process is :
100 kW
200 kW
300 kW
400 kW
Answer is Right!
Answer is Wrong!