University:
California State University, Northridge
Course:
ME 101/L | Introduction to Mechanical Engineering and Lab
Academic year:

2023
Views:

185

Pages:

2
Author:

Mahmoud M.

Intro to mechanical engineering 1. Pressure of the gas, showing that the average kinetic energy E per unit volume is equal to 2E/3, kinetic energy Energy is always proportional to temperature. 2. Superheated steam behaves like a perfect gas and obeys all the laws of gas 3. In the absence of molecular energy, there is no zero pressure 4. At zero pressure there is no liquid and the pressure can be obtained at 0 Kelvin 5. The behavior of gases can be completely determined by the four laws of gases carbon monoxide 6. for the proportion of air with a specific heat of 1.4 7. The specific heat ratio of monatomic gases = 1. 66 According to Joule's law, internal energy is a function of temperature. 8. All gases in the same volume represent their molecular weights 9. The two specific temperatures of gases are important. One at constant height and one at constant volume 10. The molecular weights of all ideal gases, under the same conditions of pressure and temperature, occupy 11. Containers of the same volume. 12. The work done during free expansion is always zero 13. The work done in the gas-filled vessel is zero 14. Heat and work are not physical energy 15. The amount of internal energy cannot be obtained, only the change of internal energy 16. There are 23 parts by weight of oxygen in the air 17. Heat and work is work 18. N. T.P means temp 19. The change in enthalpy is the heat supplied at a constant pressure of 20. The change in internal energy is the heat supplied at a constant volume of 21. The measurement process sum for the isothermal process is 22. The zeroth law of thermodynamics provides the basis for thermodynamic energy measuring temperature 23. The first law of thermodynamics provides the concept of internal energy 24. The second law of thermodynamics provides the concept of entropy 25. The third law of thermodynamics deals with zero 0 the concept of Kelvin is entropy at zero temperature. 26. The throttling 27 is a cooling operation. 1 Calorie = 4.186 Joules 28. The significance of pdv is 29 malfunction. Air has 21 places, oxygen 30 by volume. The molecular weight of the gas x characteristic gas constant = the value of the universal gas constant 31. The internal energy and enthalpy for an ideal gas are 32. Operating temperature

Fundamental Concepts in Gas Laws and Thermodynamics

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