For an air conditioner, if QH = 600.00 kJ, and QL = 350.00 kJ, then the coefficient
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For an air conditioner, if QH = 600.00 kJ, and QL = 350.00 kJ, then the coefficient of performance COPAC is ____________
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- A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures Tc and TH, respectively. (a) If the coefficient of performance is 10 and Tc = -40°F, determine TH, in °F. (b) If Tc = 0°C and TH = 30°C, determine the coefficient of performance. (c) If Qc = 500 Btu, QH=600 Btu, and Tc = 20°F, determine TH, in °F. (d) If Tc = 50°F and TH = 100°F, determine the coefficient of performance. (e) If the coefficient of performance is 5.5 and Tc = -5°C, find TH, in °C. Part A If the coefficient of performance is 10 and Tc = -40°F, determine TH, in °F. TH= i Save for Later °F Attempts: 0 of 4 used Submit AnswerA reversible refrigeration cycle operates between cold and hot reservoirs at temperatures Tc and TH, respectively. (a) If the coefficient of performance is 10 and Tc- -40°F, determine TH, in °F. (b) If Tc- -30°C and TH -30°C, determine the coefficient of performance. (c) If Qc - 500 Btu, QH-600 Btu, and Tc -20°F, determine TH, in °F. (d) If Tc-30°F and TH-100°F, determine the coefficient of performance. (e) If the coefficient of performance is 8.9 and Te--5°C, find TH, in °C.A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures Tc and TH, respectively. (a) If the coefficient of performance is 3.5 and Tc = -40°F, determine TH, in °F. (b) If Tc = 0°C and TH = 30°C, determine the coefficient of performance. (c) If Qc = 500 Btu, QH = 600 Btu, and Tc = 20°F, determine TH, in °F. (d) If Tc = 30°F and TH = 100°F, determine the coefficient of performance. (e) If the coefficient of performance is 2 and Tc = -5°C, find TH, in °C.
- 1. An engine operating on the air standard heat engine has 13 KJ heat added at isochoric process, heat ratio of air = 1.35. If the minimum pressure and temperature are 101 KPa and 305 K, respectively. The maximum volume of 3.8 x 10 2 m³ with clearance of 10%. Determine • The work of cycle in KJ • The mep in MPa3. A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures TC and TH, respectively. (a) If the coefficient of performance is 3.5 and TC = -40 deg F, determine TH, in deg F. (b) If TC = -30 deg C and TH = 30 deg C, determine the coefficient of performance. (C) If QC = 500 Btu, QH = 800 Btu, and TC = 20 deg F, determine TH, in deg F. (d) If TC = 30 deg Fand TH = 100 deg F, determine the coefficient of performance. (e) If the coefficient of performance is 8.9 and TC = -5 deg C, find TH, in deg C.At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Vd = 2.2 L. Determine per cylinder: a) the volume at state 1.b) the air mass per cycle.c) the heat addition per cycle, in kJ.
- At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Vd = 2.1 L. Determine per cylinder: a) the volume per cylinder at state 1.b) the air mass per cycle.c) the heat addition per cycle, in kJ.d) the heat rejection per cycle, in kJ.e) the net work per cycle, in kJ.f) the thermal efficiency.g) the mean effective pressure, in bar.h) Develop a full exergy accounting per cycle, in kJ. Let T0 = 300 K, p0 = 1 bar.i) Devise and evaluate the exergetic efficiency for the cycle. Correct Answers for a, b, and c. v1= 0.585 L m = 0.000679 kg Qin = 0.942 KJPlease shows correct solutions. Thank you!: Air undergoes a three-process cycle. For 2 kg of air if the processes are: 1 → 2: constant temperature expansion .2 → 3: constant volume. 3 → 1: constant- pressure compression .The necessary information is T1 = 100°C, T3 = 600°C, and P1 = 200 kPa. R= 0.287 KJ/Kg.k , Cp= 1.051 KJ/Kg.k , Cv= 0.764 KJ/Kg.k.2. In a 30-minute trial of an oil engine running at 1750 rpm, the engine consumes 27.3 kg of fuel with a calorific value of 42,300 kJ/kg at a brake torque of 1640 N-m. There are 880 kg of jacketed cooling water system in the engine entering at 17 deg C and leaves at 77 deg C. There are 310 kg of air entering the intake manifold. The temperature of air at the intake manifold is 19 deg C and the temperature at the exhaust manifold is 586 deg C. Assuming mean specific heat capacity of exhaust gas to be 1.25 kJ/kg-K, determine the following D) Exhaust loss in kJ/min E) Radiation and Unaccounted Losses in kJ/min
- 2. In a 30-minute trial of an oil engine running at 1750 rpm, the engine consumes 27.3 kg of fuel with a calorific value of 42,300 kJ/kg at a brake torque of 1640 N-m. There are 880 kg of jacketed cooling water system in the engine entering at 17 deg C and leaves at 77 deg C. There are 310 kg of air entering the intake manifold. The temperature of air at the intake manifold is 19 deg C and the temperature at the exhaust manifold is 586 deg C. Assuming mean specific heat capacity of exhaust gas to be 1.25 kJ/kg-K, determine the following A) The brake horsepower in B) Energy chargeable to the engine in kJ/min C) Cooling loss in kJ/min D) Exhaust loss in kJ/min E) Radiation and kJ/min Unaccounted Losses inA refrigeration cycle operating Qout = 1000 Btu and Wcycle = 300 Btu. Determine the coefficient of performance for the cycle (NOT in %).At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Va = 2.5 L. Determine per cylinder: a) the volume at state 1. b) the air mass per cycle. c) the heat addition per cycle, in kJ. d) the heat rejection per cycle, in kJ. e) the net work per cycle, in kJ. f) the thermal efficiency. g) the mean effective pressure, in bar. h) Develop a full exergy accounting per cycle, in kJ. Let To = 300 K, Po = 1 bar. i) Devise and evaluate the exergetic efficiency for the cycle. Step 1 Your Answer Correct Answer (Used) Determine per cylinder the volume at state 1, in liters. V1= 0.696 Step 2 Determine per cylinder the air mass per cycle, in kg. m = kg Attempts: 0 of 3 used Submit Answer Save for Later Step 3 The parts of this question must be completed in order. This part will be available when you complete the part…