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81. The compression work input in k.J/kg is a. 266.3 b. 458.3 c. 814.8 d. none of the above. 82. The thermal energy input in kJ/kg is a. 630.1 b. 824.8 c. 1073.0 d. none of the above. ion work output in kJ/kg is

81. The compression work input in k.J/kg is a. 266.3 b. 458.3 c. 814.8 d. none of the above. 82. The thermal energy input in kJ/kg is a. 630.1 b. 824.8 c. 1073.0 d. none of the above. ion work output in kJ/kg is

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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answer 81-82

Open with Thermodynamic Keys First Law Questions 81-85 are based on the stated information below. The air temperature in a piston-cylinder at the beginning of an adiabatic compression process of an ideal air standard cycle with a compression ratio of 18 is 300-K, the pressure is 0.1 MPa. Heat addition occurs next during a constant pressure process that starts with the piston at top dead center of 1800-K. The next process in the cycle is an adiabatic expansion which h followed by a constant volume cooling process to complete the eycle. State P{MPa} T{K} ufkJ/kg) h(kJ/kgl 1 0.10 300.0 214.07 300.1 P. 2. 5.39 898.3 672.4 930.2 2. 3. 5.39 1800.0 1487.2 2003.2 0.30 887.7 664.3 919.2 81. The compression work input in k.J/kg is a. 266.3 b. 458.3 c. 814.8 d. none of the above. 82. The thermal energy input in kJ/kg is a. 630.1 b. 824.8 c. 1073.0 d. none of the above. ion work output in k./kg is
Transcribed Image Text:Open with Thermodynamic Keys First Law Questions 81-85 are based on the stated information below. The air temperature in a piston-cylinder at the beginning of an adiabatic compression process of an ideal air standard cycle with a compression ratio of 18 is 300-K, the pressure is 0.1 MPa. Heat addition occurs next during a constant pressure process that starts with the piston at top dead center of 1800-K. The next process in the cycle is an adiabatic expansion which h followed by a constant volume cooling process to complete the eycle. State P{MPa} T{K} ufkJ/kg) h(kJ/kgl 1 0.10 300.0 214.07 300.1 P. 2. 5.39 898.3 672.4 930.2 2. 3. 5.39 1800.0 1487.2 2003.2 0.30 887.7 664.3 919.2 81. The compression work input in k.J/kg is a. 266.3 b. 458.3 c. 814.8 d. none of the above. 82. The thermal energy input in kJ/kg is a. 630.1 b. 824.8 c. 1073.0 d. none of the above. ion work output in k./kg is
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