A refrigerator operates between temperatures of 294 and 253 K. What would be its maximum coefficient of performance?
A refrigerator operates between temperatures of 294 and 253 K. What would be its maximum coefficient...
Calculate the performance coefficient of a refrigerator that operates between temperatures of -73 C and 27 C.
What is the possible maximum coefficient of performance for an ideal refrigerator operating between a reserve at a temperature of 2.0 K and another reserve at a temperature of 0.020 K?
if an engine works at 50% of its maximum efficiency and the engine operates between temperatures 500K and 200K. Determine the work performing in each cycle if absorbs 1200J of heat.
4. A Carnot engine works between two heat reservoirs at temperatures Ty 300 K & Te -77.0 a. What is its efficiency? b. If it absorbs c. How much heat does it release to the low- d. Wha 100 J of heat from the hot reservoir during each cycle, how much work does it do? t is the coefficient of performance of this engine when it works as a refrigerator between temperature reservoir during each cycle? these two reservoirs?
A nuclear power plant operates at 72 % of its maximum theoretical (Carnot) efficiency between temperatures of 630 ∘C and 370 ∘C. If the plant produces electric energy at the rate of 1.4 GW , how much exhaust heat is discharged per hour?
4.A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures TC and TH, respectively. If the coefficient of performance is 3.3 and TH = 75°F, determine TC, in °F. 5.A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures TC and TH, respectively. If TC = -26°C and TH = 40°C, determine the coefficient of performance.
Question 1 A refrigerator has working temperatures in the evaporator and condenser coils of 234 K and 305 K respectively. 1.1 What is the maximum COP possible? (2) 1.2 If the actual refrigerator has a COP of 0.75 calculate the required power input for a refrigerating effect of 5 kW. [10 Marks] (8)
Question 1 A refrigerator has working temperatures in the evaporator and condenser coils of 234 K and 305 K respectively. 1.1 What is the maximum COP possible? (2) 1.2 If the actual refrigerator has a COP of 0.75 calculate the required power input for a refrigerating effect of 5 kW. [10 Marks] (8)
A nuclear power plant operates at 65 percent of its maximum theoretical (Carnot) efficiency between temperatures of 560oC and 350°C. If the plant produces electric energy at the rate of 1.20 Giga-Watts, how much exhaust heat is discharged per hour?
A nuclear power plant operates at 67 % of its maximum theoretical (Carnot) efficiency between temperatures of 690 ∘C and 360 ∘C. If the plant produces electric energy at the rate of 1.3 GW , how much exhaust heat is discharged per hour? Express your answer using two significant figures.