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How many cubic feet of nitrogen are needed to raise the pressure in an 8 inch diameter pipe 400 feet long to 20 psi?
To calculate the amount of nitrogen gas required to raise the pressure in a pipe, we need to follow these steps: 1. Calculate the volume of the pipe in cubic feet. 2. Apply the Ideal Gas Law to determine how much nitrogen is needed to achieve the desired pressure. Step 1: Calculate the Volume of the Pipe The formula for the volume of a cylinder (which is the shape of the pipe) is: V = \pi \times r^2 \times h where: • r is the radius of the pipe (half the diameter), • h is the length of the pipe. Given: • Diameter of the pipe, d = 8 inches, • Length of the pipe, h = 400 feet. First, convert the diameter to feet: d = \frac{8 \text{ inches}}{12 \text{ inches per foot}} = 0.6667 \text{ feet} The radius r is half of that: r = \frac{0.6667}{2} = 0.3333 \text{ feet} Now, calculate the volume: V = \pi \times (0.3333)^2 \times 400 \approx 139.3 \text{ cubic feet} Step 2: Apply the Ideal Gas Law The Ideal Gas Law in terms of volume and pressure is: PV = nRT Where: • P is the pressure, • V is the volume, • n is the amount of gas (in moles), • R is the ideal gas constant, • T is the temperature. To find the additional volume of nitrogen required to increase the pressure to 20 psi, we’ll compare the initial and final states of the gas assuming temperature and the amount of gas are constant. Using the relationship between pressure and volume at constant temperature and gas amount: \frac{P_1 \times V_1}{T_1} = \frac{P_2 \times V_2}{T_2} Since temperature T and n (number of moles) are constant, we can simplify it to: P_1 \times V_1 = P_2 \times V_2 Assuming the initial pressure P_1 is 0 psi (no pressure), the entire volume of the pipe must be filled with nitrogen at the final pressure of 20 psi. Hence, the amount of nitrogen required is equal to the pipe’s volume at that pressure. Thus, 139.3 cubic feet of nitrogen gas is required to raise the pressure in the pipe to 20 psi, assuming no initial pressure.
What type of pipe is indicated by a red line?
natural gas line
How do you calculate molar volume of ideal gas?
Use Boyle's law
Will gas flow through 15 ml and 20ml pipe at different rates?
The volume of flow will be the same, but the velocity will be increase through the 15ml pipe. Q=v*A.
What is the Percentage range of lel and uel for natural gas?
The Lower Explosive Limit (LEL) of natural gas (which is primarily methane). is 5% by volume in air. The Upper Explosive Limit (UEL) is 15% by volume in air
How many cubic feet of natural gas will a 3 diameter pipe at 1 psi?
To calculate the volume of natural gas that can pass through a 3" diameter pipe at 1 psi, you would need to know the flow rate of the gas. Without this information, it is not possible to determine the volume of gas that will pass through the pipe.
How to calculate natural gas quantity in known volume of pipe?
The quantity of gas in a given volume can be determined by two important gas equations. PV=nrT relates pressure and volume to the Ideal Gas Law constant, the amount of moles of gas and the system temperature. Once the system of the pressure (in atms), temperature (degrees Kelvin), gas constant (.0821 L*atm*K^-1*mol*-1), and volume (L) are known gas quantity in moles can be calculated.
What does a yellow colored pipe mean?
Orange pipe is for natural gas.
How do you calculate TV from gas Volume and RR?
To calculate tidal volume (TV) from gas volume and respiratory rate (RR), you would divide the gas volume by the respiratory rate. The formula is TV = Gas Volume / RR. This calculation gives you the average volume of air moved in and out of the lungs with each breath.
Can galvinized pipe be used for residential natural gas?
NO!! Black iron pipe has a special coating to resist the highly corrosive effect of natural gas. Galvenized pipe CANNOT be used for gas service.
How do you calculate the volume of natural gas in standard cubic meter at standard pressure?
To calculate the volume of natural gas in standard cubic meter at standard pressure, you can use the ideal gas law equation: V = nRT/P, where V is the volume in standard cubic meters, n is the number of moles of gas, R is the ideal gas constant, T is the temperature in Kelvin, and P is the standard pressure. Given that standard pressure is typically defined as 1 atmosphere or 101.325 kPa, you can plug in these values along with the temperature and number of moles of gas to calculate the volume of natural gas in standard cubic meter at standard pressure.
What is the volume of gas in a 4 inch pipe 7000 feet long?
The volume of gas would be 598.7 cubic feet.
What is mooney?
It is Natural Gas Pipe Line Regulator
How do you calculate gas?
density = mass/volume
Can galvanized pipe be used for natural gas?
You should use black pipe -- Galv. pipe will flake off inside of pipe
How to calculate the density of a gas?
To calculate the density of a gas, you need to know the gas's mass and volume. The formula for density is density mass/volume. Measure the mass of the gas using a scale and the volume using a graduated cylinder or other measuring tool. Then, divide the mass by the volume to find the density of the gas.
What is mooney regulator?
It is Natural Gas Pipe Line Regulator
