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Problem Statement A piston-cylinder device contains 5 kg of water which begins as a saturated vapour at 210°C. It undergoes a cycle consisting of a constant volume process, then a polytropic process (polytropic index is 1.2), then a constant temperature process. Positive net work is done during this cycle. The pressure at the end of the constant volume process is 5 bar. Determine the heat transfer for each process and the net work for this cycle (all in kJ). Answer Table Stage Description Your Answer Correct Answer Due Date Grade (%) Weight Attempt Action/Message Part Туре 1 u₁ (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 Submit Stage 1 1 v₁ (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1 P₁ (bar) Oct 3, 2024 11:59 pm 0.0. 1 2 x2 Oct 3, 2024 11:59 pm 0.0 1 1/5 2 uz (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 2 Heat transfer for first process (kJ) Oct 3, 2024 11:59 pm 0.0 1 3 vs (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 3 2Ws (kJ) Oct 3, 2024 11:59 pm 0.0 1 4 23 Oct 3, 2024 11:59 pm 0.0 1 1/5 4 us (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 4 Heat transfer for second process (kJ) Oct 3, 2024 11:59 pm 0.0 1 5 3W₁ (kJ) 5 Heat transfer for third process (kJ) Oct 3, 2024 11:59 pm Oct 3, 2024 11:59 pm 0.0 1 1/5 0.0 1 5 Net work transfer (kJ) Oct 3, 2024 11:59 pm 0.0 1

Problem Statement A piston-cylinder device contains 5 kg of water which begins as a saturated vapour at 210°C. It undergoes a cycle consisting of a constant volume process, then a polytropic process (polytropic index is 1.2), then a constant temperature process. Positive net work is done during this cycle. The pressure at the end of the constant volume process is 5 bar. Determine the heat transfer for each process and the net work for this cycle (all in kJ). Answer Table Stage Description Your Answer Correct Answer Due Date Grade (%) Weight Attempt Action/Message Part Туре 1 u₁ (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 Submit Stage 1 1 v₁ (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1 P₁ (bar) Oct 3, 2024 11:59 pm 0.0. 1 2 x2 Oct 3, 2024 11:59 pm 0.0 1 1/5 2 uz (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 2 Heat transfer for first process (kJ) Oct 3, 2024 11:59 pm 0.0 1 3 vs (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 3 2Ws (kJ) Oct 3, 2024 11:59 pm 0.0 1 4 23 Oct 3, 2024 11:59 pm 0.0 1 1/5 4 us (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 4 Heat transfer for second process (kJ) Oct 3, 2024 11:59 pm 0.0 1 5 3W₁ (kJ) 5 Heat transfer for third process (kJ) Oct 3, 2024 11:59 pm Oct 3, 2024 11:59 pm 0.0 1 1/5 0.0 1 5 Net work transfer (kJ) Oct 3, 2024 11:59 pm 0.0 1

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 29RQ: If 3000 ft3 of air is crossing an evaporator coil and iscooled from 75F to 55F, what would be the...
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Problem Statement A piston-cylinder device contains 5 kg of water which begins as a saturated vapour at 210°C. It undergoes a cycle consisting of a constant volume process, then a polytropic process (polytropic index is 1.2), then a constant temperature process. Positive net work is done during this cycle. The pressure at the end of the constant volume process is 5 bar. Determine the heat transfer for each process and the net work for this cycle (all in kJ). Answer Table Stage Description Your Answer Correct Answer Due Date Grade (%) Weight Attempt Action/Message Part Туре 1 u₁ (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 Submit Stage 1 1 v₁ (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1 P₁ (bar) Oct 3, 2024 11:59 pm 0.0. 1 2 x2 Oct 3, 2024 11:59 pm 0.0 1 1/5 2 uz (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 2 Heat transfer for first process (kJ) Oct 3, 2024 11:59 pm 0.0 1 3 vs (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 3 2Ws (kJ) Oct 3, 2024 11:59 pm 0.0 1 4 23 Oct 3, 2024 11:59 pm 0.0 1 1/5 4 us (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 4 Heat transfer for second process (kJ) Oct 3, 2024 11:59 pm 0.0 1 5 3W₁ (kJ) 5 Heat transfer for third process (kJ) Oct 3, 2024 11:59 pm Oct 3, 2024 11:59 pm 0.0 1 1/5 0.0 1 5 Net work transfer (kJ) Oct 3, 2024 11:59 pm 0.0 1
Transcribed Image Text:Problem Statement A piston-cylinder device contains 5 kg of water which begins as a saturated vapour at 210°C. It undergoes a cycle consisting of a constant volume process, then a polytropic process (polytropic index is 1.2), then a constant temperature process. Positive net work is done during this cycle. The pressure at the end of the constant volume process is 5 bar. Determine the heat transfer for each process and the net work for this cycle (all in kJ). Answer Table Stage Description Your Answer Correct Answer Due Date Grade (%) Weight Attempt Action/Message Part Туре 1 u₁ (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 Submit Stage 1 1 v₁ (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1 P₁ (bar) Oct 3, 2024 11:59 pm 0.0. 1 2 x2 Oct 3, 2024 11:59 pm 0.0 1 1/5 2 uz (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 2 Heat transfer for first process (kJ) Oct 3, 2024 11:59 pm 0.0 1 3 vs (m³/kg) Oct 3, 2024 11:59 pm 0.0 1 1/5 3 2Ws (kJ) Oct 3, 2024 11:59 pm 0.0 1 4 23 Oct 3, 2024 11:59 pm 0.0 1 1/5 4 us (kJ/kg) Oct 3, 2024 11:59 pm 0.0 1 4 Heat transfer for second process (kJ) Oct 3, 2024 11:59 pm 0.0 1 5 3W₁ (kJ) 5 Heat transfer for third process (kJ) Oct 3, 2024 11:59 pm Oct 3, 2024 11:59 pm 0.0 1 1/5 0.0 1 5 Net work transfer (kJ) Oct 3, 2024 11:59 pm 0.0 1
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