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Past Exam for ME 3114 - Engineering Thermodynamics with Brown at Virginia Tech (VT)

Exam Information

Material Type:Exam 3
Professor:Brown
Class:ME 3114 - Engineering Thermodynamics
Subject:Mechanical Engineering
University:Virginia Polytechnic Institute And State University
Term:Fall 2008
Keywords:
  • Unauthorized
  • Provided That
  • Surroundings
  • Temperature
  • Molecular Weight
  • Nomenclature
  • Partial Credit
  • Engineering
  • Constant Pressure
  • (to/for) Me
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Sample Document Text

TOTAL: ----- 1 (25pts) 2 (25pts) 3 (25pts) 4 (25pts) Instructor (Circle One): Brown Dancey Uzgoren-MWFI0 Uzgoren-MWFl1 ME 3134 Test 3 Your Name ~A --~~------ This is a closed book test. You may use your equation sheet and the tables you printed out from Blackboard. Show your work completely to receive an appropriate amount of partial credit. Make sure that you also write your name at the back of the last page. I neither gave nor accepted unauthorized help on this test. 1. (25) Hydrogen (H 2 ) at 25C, 1 bar enters a steady state combustion chamber with a molar flow rate of 0.1 kmolls and burns with 0.5 kmolls of oxygen (0 2 ) entering at 25C, 1 bar. If the products leave the chamber at 25 c, 1 bar, determine the heat released to the surroundings in kW. Kinetic and potential energy effects are negligible. The molecular weight of hydrogen is 2 kg/kmol and the molecular weight of oxygen is 32 kg/kmol. . ~ () C .f\<2. " \.) j Q ~o\( . , J\. , qJ-"( ~,I ~~~,( .,':: (),',-~...

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