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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...
Pump Head Pressure Basics
Pump head pressure basics, learn why pumps read pressure in height and call it head pressure.
Scroll to the bottom to watch the YouTube tutorial.
Head...
How Multispeed pumps work
Have you ever wondered how multispeed pumps work? In this article, we'll explain how multispeed pumps work.
Scroll to the bottom to watch the YouTube...
FUSE BASICS
What is a fuse? In this article we learn the basics of fuses, how they work and why they are used.
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Learn the Basics of a 3 Phase Rectifier
In this article, we're going to learn the basics of a 3 Phase Rectifier. This rectifier is used in power supplies and can be...
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:
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Volume of a sphere
The volume of a sphere can be calculated using the following formula
V = (4÷3) x Π x r3
Where
V = Volume (m3)Π = Pi (3.142 approx)r...
HVACR Dead Band Basics
How do we used dead bands to control temperature in HVAC heating and cooling systems?
Scroll to the bottom to watch the YouTube tutorial.
To alleviate...
What is a Circulating Pump?
In this article, we're going to talk about the circulating pump, why it's important and what circulating pumps are used for.
State Supply is your...
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