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Properties of Air at atmospheric pressure
Paul Evans

Mar 29, 2015
2
Properties of water at atmospheric pressure
Paul Evans

Mar 29, 2015
1
Combine date and time cells in excel
Paul Evans

Mar 15, 2015
0
How to combine multiple cells in excel
Paul Evans

Mar 15, 2015
0
Seconds between two dates and times
Paul Evans

Mar 15, 2015
0
Hours between two dates and times
Paul Evans

Mar 15, 2015
0
What is Voltage?
Paul Evans

Mar 15, 2015
0
What is electricity?
Paul Evans

Mar 3, 2015
2
The difference between mass and weight
Paul Evans

Feb 20, 2015
2
Area of an annulus
Paul Evans

Feb 14, 2015
0
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Circumference of a circle
Paul Evans

May 11, 2015
1
How to calculate the circumference of a circle. The circumference of a circle can be calculated using the formula: 2 x π x r Where π (pi) = approx 3.14 and...
Area of an Ellipse
Paul Evans

Jul 13, 2015
0
To calculate the area of an Ellipse, you just need to drop two numbers into the following formula: A = π x ((w ÷ 2) x (h ÷...
Area of a Rhombus
Paul Evans

Jul 13, 2015
0
To calculate the area of a Rhombus, you just need to drop two numbers into the following formula: A = (w x h) ÷ 2 Where: A...
Area of a sector
Paul Evans

Jul 15, 2015
0
The area of a sector can be calculated with the following formula: If calculated in degrees: A = (Θ ÷ 360) x (Π x r2) If calculated in radians: A...
Area of a rectangle
Paul Evans

Feb 14, 2015
0
How to find the area of a rectangle The area = Height x Width Example: Height = 10 cm Width = 20 cmArea = 10 cm x 20...
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How a Chiller, Cooling Tower and Air Handling Unit work together
Paul Evans

Sep 26, 2017
8
Density explained!
Paul Evans

May 18, 2015
7
Chiller Cooling Capacity – How to calculate
Paul Evans

Jul 22, 2017
4
Cooling Load Calculation – Cold Room
Paul Evans

Dec 26, 2017
2
Mass flow rate explained (kg/s)
Paul Evans

May 2, 2015
1