11:51واجب بيتي اسئلة نم. . .Q1:One kg of air at a temperature of 40°C is compressed isothermally from a pressureof 1.5 bar to 6 bar Determine the heat rejected by the air during the process ofcompression .For air C, = 1.005 kJ/ kg .K and C, = 0.712kJ/ kg. K[15 marks]Q2: A cylinder contains 0.113m’of air at 1 bar and 90°C .the air is compressed to avolume of 0.028 m³, the final pressure being 5.8bar Determine1- Mass of the air in the cylinder2- Value3- Increase in internal energy4- Heat received or rejected by air during compressionindex (n)the compression process[20 marks]Q3: Steam enters a long, horizontal pipe with an inlet diameter of D=12 cm with avelocity of 2 m/s. And out let D2=10 cm, Determine (a) the mass flow rate of thesteam and (b) the rate of heat transferTake; hị = 3051.6 kJ/kg; h2 = 2950.4kJ/kg, v=0.25799 m³ /kg[15 marks]

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Q1:One kg of air at a temperature of 40°C is compressed isothermally from a pressure of 1.5 bar to 6 bar Determine the heat rejected by the air during the process of compression .For air C, = 1.005 kJ/ kg .K and C, = 0.712kJ/ kg. K

Q1:One kg of air at a temperature of 40°C is compressed isothermally from a pressure of 1.5 bar to 6 bar Determine the heat rejected by the air during the process of compression .For air C, = 1.005 kJ/ kg .K and C, = 0.712kJ/ kg. K

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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