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The Engineering Mindset
Home
Mechanical
Electrical
Computing
Mathematics
Energy
Building Services
Area of an Ellipse
Paul Evans

Jul 13, 2015
0
Area of a Rhombus
Paul Evans

Jul 13, 2015
0
Area of a Triangle
Paul Evans

Jul 13, 2015
0
Area of a Trapezium
Paul Evans

Jun 21, 2015
0
Area of a Parallelogram
Paul Evans

Jun 21, 2015
0
Refrigeration cycle, essential knowledge.
Paul Evans

Jun 7, 2015
2
Density explained!
Paul Evans

May 18, 2015
7
Density of Metals
Paul Evans

May 18, 2015
1
Arc length, how to calculate
Paul Evans

May 13, 2015
1
Circumference of a circle
Paul Evans

May 11, 2015
1
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Video tutorial: How a Refrigeration cycle works
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Jan 2, 2016
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Primary and Secondary circuits in centralised HVAC systems
Paul Evans

May 15, 2017
0
With regards to centralised HVAC heating and cooling systems, you will usually hear the terms Primary and Secondary circuits. This refers to particular parts...
Chiller Oil Lubrication Circuit
Paul Evans

Jul 24, 2017
0
How does a chiller oil lubrication system work? Chillers need to force oil around some of its internal components to provide lubrication and remove...
Hours between two dates and times
Paul Evans

Mar 15, 2015
0
You can easily calculate the hours between two dates and times in excel. All you have to do is enter the following into the...
Area of a segment
Paul Evans

Jul 16, 2015
0
The area of a segment can be calculated using the following formula If using degrees: A = (r2 ÷ 2) x ((Π ÷ 180 x Θ)  sin Θ) If...
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Density explained!
Paul Evans

May 18, 2015
7
How a Chiller, Cooling Tower and Air Handling Unit work together
Paul Evans

Sep 26, 2017
5
Mass flow rate explained (kg/s)
Paul Evans

May 2, 2015
1
Cooling Load Calculation – Cold Room
Paul Evans

Dec 26, 2017
1
The difference between mass and weight
Paul Evans

Feb 20, 2015
2