QUESTION 1 Enthalpy includes A. Internal energy and kinetic energy and potential

Question

QUESTION 1 Enthalpy includes A. Internal energy and kinetic energy and potential energy o B. Internal energy and flow work OC Internal energy and heat transfer D Internal energy and boundary work QUESTION 2 Which of the following is NOT true about flow work? Altisthe product of two nuid properties B. It is defined as fluid pressure multiplied by cross sectional area OC lIt is defined by the fluid pressure multiplied by volume D It is necessary for maintaining continuous flow through a control volume QUESTION 3 Saturated Refrigerant-134a liquid at 0 8 MPa is throttled to a pressure of 0.12 MPa. The temperature of the refrigerant after throttling is: -A 56°c B.-22.4 °C C31.3°c E-146 °c

Explanation / Answer

Answer:1-(B)- Enthalpy includes internal energy and flow work

Answer:2-(B)- It is defined as fluid pressure multiplied by cross sectional area.

Answer:6- True

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