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Bingel [31]
3 years ago
12

On the generalized enthalpy departure chart, the normalized enthalpy departure values seem to approach zero as the reduced press

ure PR approaches zero. How do you explain this behavior?
Engineering
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

Enthalpy is a function of pressure hence normalized enthalpy departure values will approach zero with reduced pressure approaching zero

Explanation:

On the generalized enthalpy departure chart, the normalized enthalpy departure values seem to approach zero as the reduced pressure PR approaches zero. this is because enthalpy is a function of pressure therefore as the Pressure is reducing towards the zero value, the gas associated with the pressure tends to behave more like an Ideal gas.

For an Ideal gas the Normalized enthalpy departure value will be approaching the zero value.

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Stakeholders are people or organizations who do what?
Soloha48 [4]

Answer:

B. fund the project

D. are partners with a vested interest

Explanation:

If you look at the definition of the word stakeholder, these options match the definition which is why I chose B and D

4 0
3 years ago
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The pump of a water distribution system is powered by a 15-kW electric motor whose efficiency is 90 percent. The water flow rate
wariber [46]

Answer:

Mechanical power of pump is 74.07%.    

Explanation:

Power of motor = 15 KW

Efficiency of motor= 90%

So the actual power(P) supplied by motor = 0.9 x 15 KW

P=13.5 KW

Water flow rate = 50 L/s

Volume flow rate = 50 L/s

We know that

1000\ L/s=1\ m^3/s

So

Volume\ flow \rate =0.05\ m^3/s

We know that pump is an open system and work input for open system can be calculated as

W=VΔP

ΔP is the pressure difference

V is the volume flow rate

So by putting the values

W=0.05 (300-100)            (here ΔP=300 - 100=200 KPa)

W=10 KW    

So mechanical power of pump

\eta =\dfrac{W}{P}        

\eta =\dfrac{10}{13.5}    

η =0.7407

Mechanical power of pump is 74.07%.    

6 0
3 years ago
A 993-kg car starts from rest at the bottom of a drive way and has a speed of 3.00 m/s at a point where the drive way has risen
tino4ka555 [31]

Answer:

13177.34 J

Explanation:

Work done = force × distance

work done by the engine = kinetic energy + potential energy + work done friction

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7 0
3 years ago
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andrezito [222]

Answer

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Explanation:

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3 years ago
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Answer:

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Explanation:

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