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Unformatted text preview: Thermal and Fluids of Engineering 1 Final Exam Fall 2007 Alexander G. Ostrogorsky Problems: Problem # Page Points Possible Points earned 1 A 2 8 1 B 2 5 1 C 2 5 2 A 3 5 2 B 3 10 3 4 20 4 A 5 10 4 B 5 10 5 6 10 6 6 17 TOTAL 100 1  Problem 1: A pistoncylinder assembly contains 1 m 3 of air at 300°K at 1 atm. It is slowly compressed so that the compression is isothermal. The final pressure is 5 atm. Find the following: A.The work done. B. The heat transferred C. The mass of the air 2  Problem 2. A fire hose has water flowing with a volumetric flow rate of 1.50 m 3 /min. The diameter of the nozzle’s opening is 3 inches. A fireman shoots this water horizontally and must apply a force to the hose from his hands. A.Find the velocity of the water jet. B. What is the maximum force the fireman would need to apply? 3  Problem 3: A person is donating a pint (473.1 cm 3 ) of blood. Within the person’s vein, the blood is at a pressure that is 13.33 kPa higher than atmospheric pressure. The plastic tube is...
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This note was uploaded on 04/27/2008 for the course ENGR 2250 taught by Professor Borcatasciuc during the Fall '08 term at Rensselaer Polytechnic Institute.
 Fall '08
 BORCATASCIUC

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