HW2 - Middle East Technical University Department of...

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Middle East Technical University Department of Chemical Engineering Feb. 24, 2011 ChE 222 – Fluid Mechanics HOMEWORK II Due March 3, 2011 1. What is the pressure in the drum A, at the position “a” in Figure 1 ? The specific gravity (SG) of the fluid in drum A is 0.8. 2. What is the pressure P A in Figure 2 ? The specific gravity of oil is 0.8. 3. A manometer shown in Figure 3 is used to measure the pressure difference at two points on a pipe through which air is flowing at room temperature. Due to some reason, in one of the legs of the manometer (leg A) some air is trapped. Calculate: a) The apparent value of P B (Pascal) b) The percent error introduced by the trapped air c) Suppose that same reading is observed by a water-filled manometer. What will be the percent error in that case? Data : P A = 2.5 atm H 2 = H 3 = 10 cm H 1 = 14 cm a= 2 cm T=20 ° C Note: Figures are given in the next page of the homework. 4.
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This note was uploaded on 03/05/2012 for the course CHE 222 taught by Professor Tülayözbelge during the Spring '12 term at Middle East Technical University.

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HW2 - Middle East Technical University Department of...

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