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QI 1. How can recognize an extensive or intensive properties such as density, colour of gold, Volume of water in a graduated cylinder. Driva

QI 1. How can recognize an extensive or intensive properties such as density, colour of gold, Volume of water in a graduated cylinder. Driva

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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%AY |I1, 76% fTV s INTV Uo 10:21 یلیجرام 2.pdf Q1 1. How can recognize an extensive or intensive properties such as density, colour of gold, Volume of water in a graduated cylinder. 2. Drive the relation 1-x = Vavg - 3. A glycerin pump is powered by a 5-kW electric motor. The pressure differential between the outlet and the inlet of the pump at full load is measured to be 211 kPa. If the flow rate through the pump is 18 L/s and the changes in elevation and the flow velocity across the pump are negligible, the overall efficiency of the pump is (a) 69 percent (b) 72 percent (c) 76 percent (d) 79 percent (e) 82 percent. Q2 1. While solving a problem, a person ended up with the following equation at some stage: E 25 kJ +7 kJ/kg where E is the total energy and has the unit of kilojoules. Determine how to correct the error and discuss what may have caused it. 2. Define isolated system, specific gravity and thermal equilibrium. 3. Initially P-400 kPa and T-400 °C, as shown in FigQ2-1. What is T2 when the frictionless piston hits the stops. a. 315 °C b. 316 °C Area -2 m Piston c. 317 °C 王 Fig.Q2-1 I kg of d. 318 °C steam Q3 A Im' container is filled with 0.12 m' of granite, 0.15 m' of sand, and 0.2 m' of liquid 25 ° C water; the rest of the volume, 0.53 m, is air with a density of 1.15 kg/m'. Find the overall (average) specific volume and density. Take the values of pgranite, Psand and pwater are 2750, 1500 and 997 kg/m'. 1. 2. A gas (ethane) at 12 MPa and 120 °C is heated at constant pressure until its volume has increased by 70 percent. Determine the final temperature using (a) the ideal gas equation of state and (b) the compressibility factor. Which of these two results is the more accurate? سجاد قاسم 21.02.17 الساعة ص 10:20 II >
Transcribed Image Text:%AY |I1, 76% fTV s INTV Uo 10:21 یلیجرام 2.pdf Q1 1. How can recognize an extensive or intensive properties such as density, colour of gold, Volume of water in a graduated cylinder. 2. Drive the relation 1-x = Vavg - 3. A glycerin pump is powered by a 5-kW electric motor. The pressure differential between the outlet and the inlet of the pump at full load is measured to be 211 kPa. If the flow rate through the pump is 18 L/s and the changes in elevation and the flow velocity across the pump are negligible, the overall efficiency of the pump is (a) 69 percent (b) 72 percent (c) 76 percent (d) 79 percent (e) 82 percent. Q2 1. While solving a problem, a person ended up with the following equation at some stage: E 25 kJ +7 kJ/kg where E is the total energy and has the unit of kilojoules. Determine how to correct the error and discuss what may have caused it. 2. Define isolated system, specific gravity and thermal equilibrium. 3. Initially P-400 kPa and T-400 °C, as shown in FigQ2-1. What is T2 when the frictionless piston hits the stops. a. 315 °C b. 316 °C Area -2 m Piston c. 317 °C 王 Fig.Q2-1 I kg of d. 318 °C steam Q3 A Im' container is filled with 0.12 m' of granite, 0.15 m' of sand, and 0.2 m' of liquid 25 ° C water; the rest of the volume, 0.53 m, is air with a density of 1.15 kg/m'. Find the overall (average) specific volume and density. Take the values of pgranite, Psand and pwater are 2750, 1500 and 997 kg/m'. 1. 2. A gas (ethane) at 12 MPa and 120 °C is heated at constant pressure until its volume has increased by 70 percent. Determine the final temperature using (a) the ideal gas equation of state and (b) the compressibility factor. Which of these two results is the more accurate? سجاد قاسم 21.02.17 الساعة ص 10:20 II >
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