(a)
The molar analysis of the saturated air.
(a)

Answer to Problem 113RP
The molar analysis of water is
Explanation of Solution
Express the pressure of air.
Here, the saturation pressure at temperature of
Express the molar fraction of water.
Here, pressure of water is
Express the molar fraction of nitrogen.
Here, pressure of nitrogen is
Express the molar fraction of oxygen.
Here, pressure of oxygen is
Express the molar fraction of argon.
Here, pressure of oxygen is
Conclusion:
Refer Table A-4, “saturated water-temperature table”, and write the saturation pressure at temperature of
Perform unit conversion of atmospheric pressure from
Substitute
Substitute
Hence, the molar analysis of water is
Substitute
Hence, the molar analysis of nitrogen is
Substitute
Hence, the molar analysis of oxygen is
Substitute
Hence, the molar analysis of argon is
(b)
The density of air before and after the process.
(b)

Answer to Problem 113RP
The density of air before and after the process is
Explanation of Solution
Express the molar mass of dry air.
Here, total molar fraction is
Express the molar mass of saturated air.
Here, molar mass of water vapor is
Express the density of air before the process.
Here, gas constant of air is
Express the density of air after the process.
Here, gas constant of air is
Conclusion:
Refer Table A-1, “molar mass, gas constant, and the critical point properties”, and write the molar masses.
Refer Table A-1, “molar mass, gas constant, and the critical point properties”, and write the universal gas constant of air.
Substitute
Substitute
Perform the unit conversion of temperature from
Substitute
Hence, the density of air before the process is
Substitute
Hence, the density of air after the process is
From the result obtained in Equations (X) and (XI), It is obtained that the density of dry air is larger than that of saturated air as the molar mass of dry air being larger than that of water.
Want to see more full solutions like this?
Chapter 14 Solutions
THERMODYNAMICS(SI UNITS,INTL.ED)EBOOK>I
- Determine the reaction force acting on the beam AB, given F = 680 N. 5 4 4 m 3 3 A B 30° 3 m F (N)arrow_forwardThe frame in the figure is made of an HEA 300 profile (E = 210 GPa, material S355).a) Determine the support reactions at point A. (1p)b) Sketch the bending moment diagram caused by the loading. (1p)c) Using the principle of virtual work (unit load method), calculate the vertical displacement at point B using moment diagrams. Also take into account the compression of the column. (3p)arrow_forward9 kN/m 6 kN/m 3 m 6 m Bestäm, med hjälp av friläggning och jämviktsberäkningar, tvärkrafts- och momentdiagram för balken i figuren. Extrempunkter ska anges med både läge och värde.arrow_forward
- B C 3.0 E F G 40 kN [m] 3.0 3.0 3.0 Fackverket belastas med en punktlast i G enligt figuren. Bestäm normalkraften i stängerna BC, BF och EF.arrow_forwardL q=8 kN/m P= 12 kN En stång belastas av en punklast P vid sin ena ände samt av en jämnt utbredd last q längs hela sin längd. Stången har en tvärsnittsarea A = 150 mm² och är tillverkad av stål med elasticitetsmodul E-210 GPa. Stångens längd, i sitt obelastade tillstånd, är Z-3 m. a) Hur stor är den största normalspänning som uppstår i stången? b) Hur stor blir förlängningen av stången, orsakad av lasterna P och q?arrow_forwardA turbocharged engine with a compression ratio of 8 is being designed using an air standard cycle. The ambient air is assumed to be 300K and 100 kPa. The temperature at the end of the compression in the cylinder is desired to be 1000K, assuming no combustion prior to reaching TDC. At the end of the cylinder expansion the temperature is also desired to be 1000K. If both the turbine and the compressor have mechanical efficiencies of 80%, what will be the pressure ratio of the compressor and what will be the turbine exhaust temperature?arrow_forward
- Q6: A turbocharged engine with a compression ratio of 8 is being designed using an air standard cycle. The ambient air is assumed to be 300K and 100 kPa. The temperature at the end of the compression in the cylinder is desired to be 1000K, assuming no combustion prior to reaching TDC. At the end of the cylinder expansion the temperature is also desired to be 1000K. If both the turbine and the compressor have mechanical efficiencies of 80%, what will be the pressure ratio of the compressor and what will be the turbine exhaust temperature?arrow_forwardQ5: A 5.6 litre V8 engine with a compression ratio of 9.4:1 operates on an air-standard Otto cycle at 2800 RPM, with a volumetric efficiency of 90 % and a stoichiometric air-fuel ratio using gasoline. The exhaust flow undergoes a temperature drop of 44ºC as it passes through the turbine of the supercharger. Calculate (a) mass flow rate of exhaust gas and (b) power available to drive the turbocharger compressor.arrow_forwarddo handwrittenarrow_forward
- Create a report: An example of two people who do not understand each other due to lack of communication, and mention ways to resolve the issue between them .arrow_forwardI want the kinematic diagram to be draw like this plsarrow_forwardAccording to the principles and steps above, draw the kinematic diagram of following mechanisms. Mark the appropriate scale, calculates the degree of freedom. NO.1 NO.2 NO: 3 NO.: 4arrow_forward
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY





