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To calculate the time it takes to purge a 10-mm section of a 20-cm diameter pipe, first find the volume of the section. The volume can be calculated using the formula for the volume of a cylinder, ( V = \pi r^2 h ), where ( r ) is the radius (0.1 m) and ( h ) is the length (0.01 m). This results in a volume of approximately 0.000314 m³ or 0.314 L. At a flow rate of 17 L/min, it would take about 0.0185 minutes, or approximately 1.11 seconds, to purge the section.
The cross section for neutron-induced reactions typically increases with decreasing neutron energy due to the increased likelihood of interactions as neutrons slow down. At lower energies, neutrons are more likely to be captured by target nuclei because they are less likely to pass through without interacting, leading to a higher probability of absorption or scattering. This phenomenon is particularly pronounced for thermal neutrons, which can be captured more readily by nuclei that have energy levels resonant with those neutrons. Additionally, the interaction cross section can also be influenced by the resonance effects in the nuclear potential at low energies.
Well first remember that volume is area times height. So first think about what the area of a cross-section of a pipe would be. The cross section would be a circle, and we know the circle is 3 inches in diameter. So use the formula for area of a circle (pi times the radius squared) and multiply that by the length of the pipe. Remember that the radius is half the diameter. Still need help?
A cesarean section is also called a C-section.
In geography, a falling limb refers to the section on a hydrograph where the water discharge is decreasing after reaching its peak flow. This typically occurs after a period of rainfall or snowmelt when the water level in a river or stream starts to drop. Understanding the falling limb is important for predicting flooding patterns and managing water resources.
A revolved section is made by revolving a cross section view 90° about an axis of revolution and superimposing the section view on the orthographic. A removed section is similar except the view is removed to another part of the drawing. : )
1. Full Section 2. Half Section 3. Local Section 4. Offset Section 5. Revolved Section 6. Removed Section
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If you have a physical cylinder to measure, measure the "width" of the circle that is the cross section of the cylinder. That is the diameter, Half the diameter is the radius.
The hydraulic diameter for any cross section is: Dh= 4 * A / Wp Where Dh = hydraulic diameter A = cross sectional area Wp = wetted perimeter
235 / 70 / R16 is : 29 inches in diameter / section width 9.3 inches / section height 6.5 inches --------------------------------------------------------------------------------------------------------- 245 / 75 / R16 is : 30.5 inches in diameter / section width 9.6 inches / section height 7.2 inches
The diameter of a pipe is its width across an open end of the pipe. The inside diameter is the width measuring on the inside of the pipe; the outside diameter is the width measuring on the outside.______________________________________________________________________________________________________For a pipe of circular cross section, its nominal diameter is the diameter of the cross section.The inner diameter is the measuring on the inside of the pipeThe outside diameter is the measuring on the outside of the pipe.
It is half the thickness (diameter) of the circular cross-section of the cylinder.
Revolved section shows only the features on the cut plane. It is used to depict the section ofan elongated object without the need to show the entire sectional view. Instead ofprojecting the section onto an adjacent view, the resulting section obtained from the cuttingis revolved 90° and is placed on the same viewwhile Removed section is similar to revolved section in that only the cut plane is shown.However, the section is placed elsewhere on the drawing
The diameter of a log cannot be determined from its length.
The initial passes do the most work of decreasing the cross section area.
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