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Mechanical
Electrical
Computing
Mathematics
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Properties of Air at atmospheric pressure
Paul Evans
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Mar 29, 2015
2
Properties of water at atmospheric pressure
Paul Evans
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Mar 29, 2015
1
Combine date and time cells in excel
Paul Evans
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Mar 15, 2015
0
How to combine multiple cells in excel
Paul Evans
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Mar 15, 2015
0
Seconds between two dates and times
Paul Evans
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Mar 15, 2015
0
Hours between two dates and times
Paul Evans
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Mar 15, 2015
0
What is Voltage?
Paul Evans
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Mar 15, 2015
0
What is electricity?
Paul Evans
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Mar 3, 2015
2
The difference between mass and weight
Paul Evans
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Feb 20, 2015
2
Area of an annulus
Paul Evans
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Feb 14, 2015
0
1
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What is Energy?
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Oct 24, 2015
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Energy is all around us and throughout the entire universe. It’s inside of all us and we consume and generate it every day, we...
Chiller Oil Lubrication Circuit
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Jul 24, 2017
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How does a chiller oil lubrication system work? Chillers need to force oil around some of its internal components to provide lubrication and remove...
Data center HVAC cooling systems
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Apr 19, 2018
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Data center HVAC cooling systems. In this video we’re going to be looking at data center hvac with a focus on the cooling systems used,...
Chiller Cooling Capacity Control
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Jun 4, 2017
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How do chillers control their cooling capacity? One of the most common ways, for centrifugal type chillers, is to use vane guides. Vane guides...
Building services engineering intro
Paul Evans
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May 3, 2015
1
What is Building Services Engineering? Building services engineering is the design, installation and maintenance of almost every mechanical or electrical aspect within a building. Most...
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How a Chiller, Cooling Tower and Air Handling Unit work together
Paul Evans
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Sep 26, 2017
8
Density explained!
Paul Evans
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May 18, 2015
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Chiller Cooling Capacity – How to calculate
Paul Evans
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Jul 22, 2017
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Cooling Load Calculation – Cold Room
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Dec 26, 2017
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Mass flow rate explained (kg/s)
Paul Evans
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May 2, 2015
1