1. A compressor receives the shaft work to decrease the pressure of the fluid. 2

Question

1. A compressor receives the shaft work to decrease the pressure of the fluid. 2. The mass flow rate of the fluid remains constant in all steady flow process. 3. The kinetic energy of a fluid decreases as it flows through a diffuser. 4. During a steady flow process, the change of energy with respect to time is zero. 5. Fluids at rest possess no flow energy. 6. The temperature of air decreases as it is compressed by an adiabatic compressor. 7. The kinetic energy of a fluid decreases as it is accelerated in an adiabatic diffuser. T F

Explanation / Answer

1. Compressor increases the pressure of fluid. So FALSE.

2.Yes , mass flow rate will remain constant. True.

3.Yes, kinetic energy decreases in expense of increase in pressure energy. So TRUE.

4.TRUE

5.True

6.False, it increases the temperature.

7.True

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