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Unformatted text preview: Quiz # 1 ME 300 Fall 2008 Your NAME: VANKA Please answer ALL questions. You should select only ONE answer. If you mark two answers, the question will be invalidated. Need not show work. 1. A gas cylinder contains 0.15 kmol of a gas with a molecular weight of 25 kg/kmol. The total volume of the cylinder is 0.53 m 3 . The specific volume of the gas is a) 0.14133 m 3 /kg; a) is correct. 0.53 / (0.15 * 25) = 0.14133 m 3 /kg b) 1.4133 m 3 /kg; c) 3.533 m 3 /kg; d) 0.280 m 3 /kg 2. An object whose mass is 35 lbm is subjected to an upward force of 15 lbf. Assuming that there is no gravity, the acceleration of the object upwards is a) 1.38 ft/s 2 b) 0.428 ft/s 2 c) 13.8 ft/s 2 c) is correct: acceleration = (15 x 32.2) / 35 = 13.8; 1 lbf = 32.2 lbm. ft/sc) is correct: acceleration = (15 x 32....
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This note was uploaded on 08/12/2010 for the course ME 300 taught by Professor Staff during the Spring '08 term at University of Illinois, Urbana Champaign.
- Spring '08