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There are online calculators to find the volume of a pipe on nCalculators.com and HandyMath.com, as of 2015. Both websites display the volume of a pipe in different units of measurement. More »

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The volume of a pipe is found by multiplying pi by the height by the radius squared. This is the common equation for a cylinder. More »

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A duct calculator measures air velocity by using a formula in which air flow is a variable expressed in cubic feet per minute, or CFM. Heating, ventilation and air conditioning professionals commonly use duct calculators... More »

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A semi-hermetic compressor increases the pressure of refrigerant gas and transports it through a pipe while simultaneously reducing the volume of the gas, resulting in desired cooling in refrigeration applications. Semi-... More »

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Bolt torque calculators calculate the proper amount of torque for a particular bolt by collecting the dimensions and characteristics of the bolt in question. The calculator will generally return figures in the form of in... More »

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To fix an Echo leaf blower, disconnect power supply to the blower, take out its extension pipes, undo the pipe lock, and remove objects that block the upper pipe and the casing of the fan. Also, connect the upper pipe an... More »

www.reference.com Home & Garden Home Maintenance Tools

Air compressor unloader valves work by releasing air that is trapped in the compressor's pipe and piston once the pressure switch trips the power supply to turn the compressor off. By releasing the trapped air in the pis... More »

www.reference.com Home & Garden Home Maintenance Tools