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Chiller Cooling Capacity – How to calculate
How to calculate the cooling capacity of a chiller. Chillers provide chilled water which is then used to provide air conditioning within buildings. The...
How Padlocks Work
Learn about the standard padlock to understand the main parts, how they work and also how to bypass the mechanical security features...
DIY Centrifugal Pump – How to make a pump from wood
Learn how to build a basic centrifugal pump and also test the blade designs using computational fluid dynamics. You can also download...
How a Car Battery Works
The 12V lead acid car battery. These large and fairly heavy batteries are used in every combustion engine vehicle on the planet....
How a Battery Works
Batteries, we use these everyday all over the world, but how do they work? That’s what we’ll be covering in this article...
Combine date and time cells in excel
You can easily combine date and time of two different cells in excel, all you have to do is enter the following into the formula...
How to combine multiple cells in excel
Combine two cells in excel with a space between.
You can easily combine two different cells in excel, all you need to do is enter...
SI Units
The SI units of measurement are based on seven quantities, other commonly used quantities are derived from these.SI Base units:.tg {border-collapse:collapse;border-spacing:0;border-color:#000000;}
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Volume of a sphere
The volume of a sphere can be calculated using the following formulaV = (4÷3) x Π x r3WhereV = Volume (m3)
Π = Pi (3.142 approx)
r...
Liquid Level Switches Explained
Learn how and where liquid level switches are used within ammonia industrial refrigeration systems. We'll look at the main parts, the applications...
Power Inverters Explained
Learn the basic working principle of power inverters, how they work, what they are used for, where we use them and their...
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