EML4147C Test 2A Fall 2010

EML4147C Test 2A Fall 2010 - EML 4147C Test 2 Open book,...

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EML 4147C Test 2 Open book, closed notes Name ____________________ Page 1 of 4 I am graduating in ______________ (Fall, Summer, or Spring) of ______________ (2010, 2011). I plan to attend graduate school at UF in the Spring of 2011. Yes__________ No__________ "On my honor, I have neither given nor received unauthorized aid on this test." Signature __________________________ Each question worth 10 points. You must include correct units in your answer to get full credit. 1) A gas mixture at 120 °C and 125 kPa is 40% N 2 , 20% H 2 O, and 40% O 2 on a mole basis 1a) What is the mass fraction of the H 2 O? Answer___________________ 1b) What is the mixture gas constant? Answer___________________ 1c) What is the volume for 10 kg of the mixture? Answer___________________
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EML 4147C Test 2 Open book, closed notes Name ____________________ Page 2 of 4 2) A flow of moist air at 100 kPa, 45 °C, and 30% relative humidity is cooled to below the dew point to 20 °C in a constant-pressure device where it exits as a saturated mixture of vapor and liquid. 2a)
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EML4147C Test 2A Fall 2010 - EML 4147C Test 2 Open book,...

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