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Thermodynamics: First Law of Thermodynamics
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Thermodynamics: First Law of Thermodynamics
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25 Questions

1. The steady flow energy equation is applied to which of the following processes?
2. Which of the following represents the energy in storage?
3. For a constant volume process, work done is
4. The specific heat of a substance at constant pressure is defined as the rate of change of ___ with respect to ___
5. The first law of thermodynamics gives only the change on energy ΔE for the process.
6. Equation of continuity comes from
7. What does a nozzle do?
8. Heat transferred at constant pressure _____ the enthalpy of a system.
9. The specific heat of a substance at constant volume is defined as the rate of change of ___ with respect to ___
10. Specific heat of a substance at constant pressure is a property of the system.
11. In a throttling device, what do we get as SFEE when changes in PE and KE are taken zero?
12. The total rate of flow of all energy streams entering the control volume must equal to that of leaving the control volume.
13. For a process in which pV=C, work done is
14. Work input is directly proportional to heat and the constant of proportionality is called
15. In the differential form, the SFEE becomes
16. A heat exchanger is a device in which heat is transferred from one fluid to another.
17. For an inviscid frictionless fluid flowing through a pipe, Euler equation is given by
18. The heat capacity at constant pressure Cp
19. The enthalpy of an ideal gas depends only on the temperature.
20. For an adiabatic compressor or pump,
21. By first law of thermodynamics,
22. The expression (ΣW)cycle=(ΣQ)cycle applies only to systems undergoing cycles.
23. Which of the following an be considered as the definition of energy?
24. In a flow process, the work transfer may be of which type?
25. What are the different kinds of external work?

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