Calculate the entropy of steam at 60psiawith a quality of 0.8  A. 0.4274 BTU/lbm-˚R  B. 0.7303 BTU/lbm-˚R  C. 1.1577 BTU/lbm-˚R  D. 1.2172 BTU/lbm-˚R Formula: fromthe steamtable at 60 psia: sƒ = 0.4274 BTU/lbm-˚R sƒg = 1.2172 BTU/lbm-˚R) s = sƒ + x sƒg where x = is the quality

Calculate the entropy of steam at
60psiawith a quality of 0.8
 A. 0.4274 BTU/lbm-˚R
 B. 0.7303 BTU/lbm-˚R
 C. 1.1577 BTU/lbm-˚R
 D. 1.2172 BTU/lbm-˚R
Formula: fromthe steamtable at 60 psia:
sƒ = 0.4274 BTU/lbm-˚R
sƒg = 1.2172 BTU/lbm-˚R)
s = sƒ + x sƒg where x = is the quality
by

1 Answer

Answer :

1.1577 BTU/lbm-˚R
by

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Last Answer : process

Which of the following occurs in a reversible polytrophic process?  a. Enthalpy remains constant  b. Internal energy does not change  c. Some heat transfer occurs  d. Entropy remains constant

Description : Which of the following occurs in a reversible polytrophic process?  a. Enthalpy remains constant  b. Internal energy does not change  c. Some heat transfer occurs  d. Entropy remains constant

Last Answer : Some heat transfer occurs

Which law that states “Entropy of all perfect crystalline solids is zero at absolute zero temperature”?  a. Zeroth law of thermodynamics  b. First law of thermodynamics  c. Second law of thermodynamics  d. Third law of thermodynamics

Description : Which law that states “Entropy of all perfect crystalline solids is zero at absolute zero temperature”?  a. Zeroth law of thermodynamics  b. First law of thermodynamics  c. Second law of thermodynamics  d. Third law of thermodynamics

Last Answer : Third law of thermodynamics

Who coined the word Entropy?  a. Rudolf Clausius  b. Kelvin  c. Gabriel Volks  d. Rudolf Diesel

Description : Who coined the word Entropy?  a. Rudolf Clausius  b. Kelvin  c. Gabriel Volks  d. Rudolf Diesel

Last Answer : Rudolf Clausius

What is the area under the curve on a temperature –entropy diagram?  a. Heat  b. work  c. entropy  d. volume

Description : What is the area under the curve on a temperature –entropy diagram?  a. Heat  b. work  c. entropy  d. volume

Last Answer : Heat