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Blababa [14]
3 years ago
10

PLEASE HELPPPPPPP!!!!,

Engineering
2 answers:
s2008m [1.1K]3 years ago
8 0
Hydraulic engineering
raketka [301]3 years ago
4 0


software engineers

hardware engineers

metallurgic engineers

biomechanical engineers
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Answer: The energy system related to your question is missing attached below is the energy system.

answer:

a) Work done = Net heat transfer

  Q1 - Q2 + Q + W = 0

b)  rate of work input ( W ) = 6.88 kW

Explanation:

Assuming CPair = 1.005 KJ/Kg/K

<u>Write the First law balance around the system and rate of work input to the system</u>

First law balance ( thermodynamics ) :

Work done = Net heat transfer

Q1 - Q2 + Q + W = 0 ---- ( 1 )

rate of work input into the system

W = Q2 - Q1 - Q -------- ( 2 )

where : Q2 = mCp T  = 1.65 * 1.005 * 293 = 485.86 Kw

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Insert values into equation 2 above

W = 6.88 Kw

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