4. [-/2 Points] DETAILS MY NOTES SERPSE10 21.2.P.006. ASK YOUR TEACHER PRACTICE ANOTHER A heat pump has a coefficient of performance equal to 4.40 and requires a power of 1.85 kW to operate. (a) How much energy does the heat pump add to a home in one hour? ) (b) If the heat pump is reversed so that it acts as an air conditioner in the summer, what would be its coefficient of performance? Need Help? [[Ressi Submit Answer 5. [-/2 Points] SERPSE10 21.4.0P.010. ASK YOUR TEACHER PRACTICE ANOTHER A Carnot engine has a power output of 110 kW, The engine operates between two reservoirs at 20C and 480C. (a) How much energy enters the engine by heat per hour? [ m (b) How much energy is exhausted by heat per hour? [ 1M1 Need Help? Submit Answer 6. [-/2 Points] DETAILS MY NOTES SERPSE10 21.4.0P.012. ASK YOUR TEACHER PRACTICE ANOTHER (a) A certain refrigerator, operating between temperatures of 4.00C and +26.2C, can be approximated as a Carnot refrigerator. What is the refrigerator's coefficient of performance? (b) What If? What would be the coefficient of performance if the refrigerator (operating between the same temperatures) was instead used as a heat pump? cop=[ ] Need Help? |[Rasai Submit