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before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water
1660THERMODYNAMIC - EXAMPLE 10.2 : A cylinder with a movable piston contains 0.1 mole of a monoatomic ideal gas. The piston moves through state a, b and c. The heat Q, changes from state c to a is + 685 J. The work W, changes from state c to a is - 120 J. The work, W performed from state a to b then to c is 75 J. By using the first law of thermodynamic, U = Q + W where U is the internal energy : (a) Determine the change in internal energy between states a and c. (b) Is heat added or removed from the gas when the gas is taken along the path abc? (c) Calculate the heat added or removed when the gas is taken along the path abc?
1 2481CHEMICAL ENERGY BALANCE - EXAMPLE 11.1 : Please match the term A - E with the stated definition i - v. Terms : A. Yield. B. Selectivity. C. Relative saturation. D. Molal saturation. E. Absolute saturation. Definitions : i. (moles of desired product formed) / (moles that would have been formed if there were no side reactions and the limiting reactant has reacted completely); ii. (moles of desired product formed) / (moles of undesired product formed); iii. (relative humidity 40 % means partial pressure of water vapour equals 4 / 10 of the vapour pressure of water at the system temperature); iv. (moles of vapour) / (moles of vapour dry gas); v. (mass of vapour) / (mass of dry gas).
1 2248REACTION ENGINEERING - EXAMPLE 13.1 : In a furnace, 2 chemical reactions are happening - 1 mole of solid carbon reacts with 1 mole of oxygen gas to generate 1 mole of carbon dioxide gas; 1 mole of solid carbon reacts with 0.5 mole of oxygen gas to generate 1 mole of carbon monoxide gas. In a given process, 100 kmol of carbon is burned in a furnace. (a) Calculate the theoretical oxygen gas needed by assuming that all the carbon is burned completely to carbon dioxide gas. (b) Calculate the theoretical air needed by assuming that all the carbon is burned completely to carbon dioxide gas and there is only 21 % of oxygen gas. (c) Determine the amount of air required (in kmol) if 50 % excess oxygen gas must be satisfied for (a) and (b). (d) It has latter been found that 20 % of the carbon undergoes incomplete combustion resulting to carbon monoxide gas production. The rest of the carbon undergoes complete combustion. Calculate the total oxygen gas required stoichiometrically based on the actual process.
1 2730BIOPROCESS ENGINEERING - EXAMPLE 14.2 : An aqueous solution with 2.5 g of a protein dissolved in 600 cubic centimeters of a solution at 20 degree Celsius was placed in a container that has a water-permeable membrane. Water permeated through the membrane until the h - level of the solution was 0.9 cm above the pure water. (a) Calculate the absolute temperature of the solution, T in Kelvin, where T (Kelvin) = T (degree Celsius) + 273.15. (b) Calculate the osmotic pressure, P of the solution by using the formula P = hrg where h is level of the solution, r is density of water with 1000 kg per cubic meter, g = 9.81 N / kg as gravitational acceleration. (c) Calculate the concentration of the protein solution, C in kg / cubic meter. (d) Calculate the molecular weight of the protein, (MW) = CRT / P where R = 8.314 Pa cubic meter / (mol K) as ideal gas constant.
1 2686ENGINEERING DRAWING - EXAMPLE 18.3 : Autocad computer program is used to draw a pipe that is used to transport natural gases for processing. Actual length of the pipe is 10 metres. The pipe has cross sectional area of circle in shape with measured circumference of s = 3 metres. (a) If 10 units are used to represent the actual length of the pipe in computerised engineering drawing, find the diameter of the pipe, d that will be shown in the engineering drawing. (b) If one unit in the program equals to 1 centimetre, find the scale used in the computer program.
1 2628PROCESS DESIGN - EXAMPLE 21.1 : According to rules of thumb in chemical process design, consider the use of an expander for reducing the pressure of a gas when more than 20 horsepowers can be recovered. The theoretical adiabatic horsepower (THp) for expanding a gas could be estimated from the equation : THp = Q [ Ti / (8130a) ] [ 1 - (Po / Pi) ^ a ] where 3 ^ 3 is 3 power 3 or 27, Q is volumetric flowrate in standard cubic feet per minute, Ti is inlet temperature in degree Rankine, a = (k - 1) / k where k = Cp / Cv, Po and Pi are reference and systemic pressures respectively. (a) Assume Cp / Cv = 1.4, Po = 14.7 psia, (temperature in degree Rankine) = [ (temperature in degree Celsius) + 273.15 ] (9 / 5), nitrogen gas at Pi = 90 psia and 25 degree Celsius flowing at Q = 230 standard cubic feet per minute is to be vented to the atmosphere. According to rules of thumb, should an expander or a valve be used? (b) Find the outlet temperature To by using the equation To = Ti (Po / Pi) ^ a.
1 2287PETROLEUM ENGINEERING - QUESTION 25.1 : Fact 1 : Dry air contains 20.95 % oxygen, 78.09 % nitrogen, 0.93 % argon, 0.039 % carbon dioxide, and small amounts of other gases by volume. Fact 2 : Volume occupied is directly proportional to the number of moles for ideal gases at constant temperature and pressure. Fact 3 : 12.5 moles of pure oxygen is required to completely burn 1 mole of pure octane. Fact 4 : Air-fuel ratio (AFR) is the mass ratio of dry air to fuel present in a combustion process such as in an internal combustion engine or industrial furnace. Fact 5 : Molecular weight of oxygen gas is 31.998 g / mole and molecular weight of nitrogen gas is 28.014 g / mole. (a) Find the molar ratio of nitrogen and oxygen, or (moles of nitrogen) / (moles of oxygen) in dry air, by assuming ideal features of nitrogen and oxygen gases. (b) How many moles of nitrogen are available if dry air is used to completely burn the 1 mole pure octane? (c) Find the mass of fuel of 1 mole of octane with molecular weight of 114.232 g / mole. (d) Find the mass of dry air with 12.5 moles of pure oxygen by assuming only oxygen and nitrogen gases exist in the air. (e) Find the air-fuel ratio (AFR) when octane is used as fuel. (f) Find the fuel-air ratio (FAR) when octane is used as fuel.
1 2301NATURAL GAS ENGINEERING - QUESTION 26.1 : (a) In natural gas pipe sizing, the length of the pipe from the gas source metre to the farthest appliances is 60 feet. The maximum capacities for typical metallic pipes of 60 feet in length are : 66 cubic feet per hour for pipe size of 0.5 inches; 138 cubic feet per hour for pipe size of 0.75 inches; 260 cubic feet per hour for pipe size of 1 inch. By using the longest run method : (i) Find the best pipe size needed for the capacity of 75 cubic feet per hour. (ii) Estimate the suitable range of capacities for the pipe size of 1 inch. (b) The maximum capacities for typical metallic pipes of 50 feet in length are : 73 cubic feet per hour for pipe size of 0.5 inches; 151 cubic feet per hour for pipe size of 0.75 inches; 285 cubic feet per hour for pipe size of 1 inch. By using the branch method find the best pipe size needed for the capacity of 75 cubic feet per hour when the length of the pipe from the gas source metre to the appliance is 52 feet.
2 2649NATURAL GAS ENGINEERING - QUESTION 26.2 : (a) The Hyperion sewage plant in Los Angeles burns 8 million cubic feet of natural gas per day to generate power in United States of America. If 1 metre = 3.28084 feet, then how many cubic metres of such gas is burnt per hour? (b) A reservoir of natural gas produces 50 mole % methane and 50 mole % ethane. At zero degree Celsius and one atmosphere, the density of methane gas is 0.716 g / L and the density of ethane gas is 1.3562 mg / (cubic cm). The molar mass of methane is 16.04 g / mol and molar mass of ethane is 30.07 g / mol. (i) Find the mass % of methane and ethane in the natural gas. (ii) Find the average density of the natural gas mixture in the reservoir at zero degree Celsius and one atmosphere, by assuming that the gases are ideal where final volume of the gas mixture is the sum of volume of the individual gases at constant temperature and pressure. (iii) Find the average density of the natural gas mixture in the reservoir at zero degree Celsius and one atmosphere, by assuming that the final mass of the gas mixture is the sum of mass of the individual gases. Assume the gases are ideal where mole % = volume % at constant pressure and temperature.
1 2146NATURAL GAS ENGINEERING - QUESTION 26.3 : The United States of America Energy Information Administration reports the following emissions in million metric tons of carbon dioxide in the world for year 2012 : Natural gas : 6799, petroleum : 11695, coal : 13787. Coal-fired electric power generation emits around 2000 pounds of carbon dioxide for every megawatt hour generated, which is almost double the carbon dioxide released by a natural gas-fired electric plant per megawatt hour generated. If 1 metric ton = 1000 kg and 1 pound = 0.4536 kg, estimate the total energy generated by natural gas in the world for year 2012, in gigawatt hour.
1 2787How do I calculate 2% butane in a 1 foot cube at 29.66 CFM? It can either be a gas of pure butane or a liquid vapor.
1 2446
Which factors affect diffusion of a gas through the blood- gas barrier of the lungs as based upon Fick's law?
How many minutes have you spent in your lifetime reading documentation or actually (gasp) working with any webMethods product on a real project?
How Many grams of solid iodine are produced by the decomposition of 25.4g of hydrogen iodine gas?
Indian Iran Gas pipeline
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Describe briefly how an amobea exchanges oxygen and carbon dioxide gases with its surroundings.
Explain Gas Turbine startup and shutdown sequences
What are the legislations framed to regulate Public Utility services such as railways,electricity,cooking gas,transports,postal & telegraphic sectors?
what tune did elvis preasly arrive on sage to in las vagas
Re: Sugar Cane Bagasse What are the 1. Specific Heat of Bagasse at 50% moisture, 40% moisture and 25% moisture? 2. What is bu;lk density of bagasse at 50% moisture, 40% moisture and 25% moisture? 3. What is specific gravity of bagasse at 50% moisture, 40% moisture and 25% moisture? 4. What is the specific heat of flue gases generated from boiler fuelled by bagasse? 5. What is the specific gravity of flue gases generated from boiler fuelled by bagasse?
How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks
If Nasa where to sink a large tube down a few miles into one of the deepest parts of the ocean or a spiral tube not so deep. Then fit electromagnetic monorail running gear to a sledge and then put a space cargo vehicle inside the sledge. With ball valves to compartmentalise the tube off to keep a constant pressure with inert gases as the space shuttle accelerates using electromagnetism to gain altitude and then loses the sledge. Next fires it's main rocket engines to carry on up to space. Would this idea work and would it save money on fuel if the space cargo vehicles where only say 5 ton cargo holds. Also they could be reusable with their rocket engines.
What do you mean by Frame 5 Gas Turbine as well as Mark II.
import java.awt.*; import java.awt.event.*; public class Agency extends Frame implements ActionListener { Label l1,l2,l3,l4; Button b1; TextField t1,t2; String s1,s2,s3,s4; public static void main(String args[]) { new Agency().setVisible(true); } public Agency() { super("Gas Agency Package"); setSize(1280,800); setBackground(Color.lightGray); setLayout(null); // setLayout(new BorderLayout()); t1=new TextField(20); t1.setBounds(440,150,200,30); t1.setBackground(Color.white); t2=new TextField(20); t2.setBounds(440,180,200,30); t2.setBackground(Color.white); t2.setEchoChar('*'); l1=new Label("Gas Agency Package"); l1.setBounds(400,30,300,50); l1.setFont(new Font("TimesRoman",Font.BOLD,25)); l1.setAlignment(Label.CENTER); l2=new Label("Enter your ID and Passoword"); l2.setFont(new Font("TimesRoman",Font.BOLD,20)); l2.setBounds(270,80,300,50); l3=new Label("Enter ID"); l2.setFont(new Font ("TimesRoman",Font.BOLD,20)); l3.setBounds(270,150,120,50); l4=new Label("Enter Passoword"); l2.setFont(new Font ("TimesRoman",Font.BOLD,20)); l4.setBounds(270,180,140,50); add(l1); add(l2); add(l3); add(t1); add(l4); add(t2); b1=new Button("Login"); b1.setBackground(Color.white); b1.setBounds(400,280,100,70); b1.addActionListener(this); add(b1); } public void actionPerformed(ActionEvent e) { if(e.getSource()==b1) { s3="svce"; s4="svce"; s1=t1.getText(); s2=t2.getText(); if(s1.equals(s3) && s2.equals(s4)) { //System.out.println("password is correct"); MenuForm m= new MenuForm(); m.setVisible(true); //this.dispose(); } else { System.out.println("password not correct"); } this.dispose(); } } } plzzzzzzz xplain me this java code like why i m including this packages n the whole code plzzzzzz
plzzzzzzzzz xplain this code import java.awt.*; import java.awt.event.*; public class Agency extends Frame implements ActionListener { Label l1,l2,l3,l4; Button b1; TextField t1,t2; String s1,s2,s3,s4; public static void main(String args[]) { new Agency().setVisible(true); } public Agency() { super("Gas Agency Package"); setSize(1280,800); setBackground(Color.lightGray); setLayout(null); // setLayout(new BorderLayout()); t1=new TextField(20); t1.setBounds(440,150,200,30); t1.setBackground(Color.white); t2=new TextField(20); t2.setBounds(440,180,200,30); t2.setBackground(Color.white); t2.setEchoChar('*'); l1=new Label("Gas Agency Package"); l1.setBounds(400,30,300,50); l1.setFont(new Font("TimesRoman",Font.BOLD,25)); l1.setAlignment(Label.CENTER); l2=new Label("Enter your ID and Passoword"); l2.setFont(new Font("TimesRoman",Font.BOLD,20)); l2.setBounds(270,80,300,50); l3=new Label("Enter ID"); l2.setFont(new Font ("TimesRoman",Font.BOLD,20)); l3.setBounds(270,150,120,50); l4=new Label("Enter Passoword"); l2.setFont(new Font ("TimesRoman",Font.BOLD,20)); l4.setBounds(270,180,140,50); add(l1); add(l2); add(l3); add(t1); add(l4); add(t2); b1=new Button("Login"); b1.setBackground(Color.white); b1.setBounds(400,280,100,70); b1.addActionListener(this); add(b1); } public void actionPerformed(ActionEvent e) { if(e.getSource()==b1) { s3="svce"; s4="svce"; s1=t1.getText(); s2=t2.getText(); if(s1.equals(s3) && s2.equals(s4)) { //System.out.println("password is correct"); MenuForm m= new MenuForm(); m.setVisible(true); //this.dispose(); } else { System.out.println("password not correct"); } this.dispose(); } } } plzzzzzzzzz xplain this code
