7th edition. I need help. DO U s. 100% Mon 8:59 PM Soud Alkandari Q E 03 Adobe R

Question

7th edition.

I need help.

DO U s. 100% Mon 8:59 PM Soud Alkandari Q E 03 Adobe Reader File Edit View Window Help Assignment 15-2.pdf 1 1 150% Tools Sign Comment 1. Read through section 5.3 2. If the rate of mass entering a control volume is different than the rate of mass leaving a control volume, can it be a steady process? 3. If the rate of mass entering a control volume is the same as the rate of mass leaving a control volume, does it have to be a steady process? 4. A hose fitted with a nozzle results in a high velocity stream of water. Ifthe water can be treated as incompressible, what can you conclude? Is this a steady or unsteady process? 5. Which do you prefer, flow work or flow energy? State your reason. If you think each are equally good descriptions, then come up with a way to show why there is flow energy in a way that would replace the discussion in the first part of section 5.2. 8.50 00

Explanation / Answer

2) no..densiity is changing with time ;

3) yes.mass flow rate can be equal for steady flow only ;

4) steady process as liquid id incompressible ;

5) flow energy because flow also contains kinetic energy

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