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Use only the MD below to solve this Item; use it by plotting data and process to determine items being asked.   Steam enters a turbine at 117.4308 atmgage  and 932 deg. F, and expands isentropicaly  to  177.17 inches of Hg.  For 2 + (10/25)  kg/sec of steam, what is (a) the ideal  work done (KJ) if ∆KE = 0 and actual exhaust enthalpy is 2700 KJ/kg. a)Ans:_________________ (b)ne  = _____________ (c)Determine: ideal  steam moisture  at exhaust. Ans:________________ (d) Actual steam quality at exhaust  Ans: _______

Use only the MD below to solve this Item; use it by plotting data and process to determine items being asked.   Steam enters a turbine at 117.4308 atmgage  and 932 deg. F, and expands isentropicaly  to  177.17 inches of Hg.  For 2 + (10/25)  kg/sec of steam, what is (a) the ideal  work done (KJ) if ∆KE = 0 and actual exhaust enthalpy is 2700 KJ/kg. a)Ans:_________________ (b)ne  = _____________ (c)Determine: ideal  steam moisture  at exhaust. Ans:________________ (d) Actual steam quality at exhaust  Ans: _______

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter39: Residential Energy Auditing
Section: Chapter Questions
Problem 28RQ: What is the difference between over-the-fire draft and stack (chimney) draft?
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  1. Use only the MD below to solve this Item; use it by plotting data and process to determine items being asked.

 

Steam enters a turbine at 117.4308 atmgage  and 932 deg. F, and expands isentropicaly  to  177.17 inches of Hg.  For 2 + (10/25)  kg/sec of steam, what is (a) the ideal  work done (KJ) if ∆KE = 0 and actual exhaust enthalpy is 2700 KJ/kg. a)Ans:_________________

(b)ne  = _____________

(c)Determine: ideal  steam moisture  at exhaust. Ans:________________

(d) Actual steam quality at exhaust  Ans: ________________

(e)  Actual steam temp at the exhaust. Ans.__________

f) Degree SH of the steam at turbine inlet. Ans_____________

g) change in entropy during the actual process.  Ans:__________________ 

800 C 750C 4000 650'C 600C 650°C 3500 500 460c 4000 300 3000 286°C 200C 150C 0.05 100 0.08 50e 24.1C F175C wwwmw 2500 wwwwww w 0.90 D85 0.75 80 3, KJ/kg-K 2000 5.5 6. 6.5 7 7.5 8 8.5 Enthalpy - h - (kJ/kg) 000
Transcribed Image Text:800 C 750C 4000 650'C 600C 650°C 3500 500 460c 4000 300 3000 286°C 200C 150C 0.05 100 0.08 50e 24.1C F175C wwwmw 2500 wwwwww w 0.90 D85 0.75 80 3, KJ/kg-K 2000 5.5 6. 6.5 7 7.5 8 8.5 Enthalpy - h - (kJ/kg) 000
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