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0.23 kg of air has an initial pressure of 1.7 MN/m2 and a temperature of 2000C. It is expanded to a pressure of 0.34MN/m2 according to the law PV1.35 = constant. determine the work transfer during the expansion. take R= 0.29 kj/kg K
A mass of gas has an initial pressure and temperature of 0.11 MN/m2 and 150C. respectively. It is compressed according to the law PV1.3 = constant until temperature becomes 900C temperature becomes 90 oc. Determine the final pressure of the gas.
A quantity of gas has an initial volume and temperature of 1.2 litres and 1500C respectively. It is expanded to a volume of 3.6 litres according to the law PV1.4 = constant Determine the final volume of the gas.
A quantity of gas has an initial pressure and volume of 0.1 MN/m2 and 0.1 m3. respectively. It is compressed to a final pressure of 1.4 MN/m2 according to the law PV1.26= constant. Determine the final volume of the gas.
A mass of air has an initial pressure of 1.3 MN/m 2 , volume 0.014 and temperature 135 0C. It is expanded until its final pressure is 275 kN/m 2 and its volume becomes 0.056 m3 . Determine
a)The mass of air
b)The final temperature
Take R = 0.287 kJ/kg k
A mass of gas has an initial pressure of 1 bar and a temperature of 20 0C. The temperature of the gas is now increased to 550 0C while the volume remains constant. Determine the final pressure of the gas.
A quantity of gas has an initial volume of 0.06 m3 and a temperature of 15 0C. It is expanded to a volume of O. 12 m3 while the pressure remains constant. Determine the final temperature of the gas.
A quantity of gas has an initial pressure of 140 kN/m2 and volume 0.14 m3 It then compressed to a pressure of 700 kN/m2 while the temperature remains constant Determine the final volume of the gas.
