Formulas And Constants Along With Important Numbers Flashcards
1
Q
Temperature and Conversions F and C.
A
°F = ( °C x 9/5) +32
°C = ( °F -32) x 5/9
2
Q
H = S x W x delta T
A
H = Btu of sensible heat
S = Specific heat
W = weight in pounds.
Delta T = temp difference in BTU.
3
Q
Work = what
A
Work = Force x Distance
4
Q
1 gallon is how many lbs?
A
8.33 lbs.
5
Q
1 gallon is how many cubic inches?
A
231
6
Q
1 cubic foot of water is how many lbs?
A
62.4
7
Q
1 gallon is how many cubic inches?
A
231 cu in
8
Q
How many gallons in a cubic foot?
A
7.48
9
Q
How many cubic inches in one cubic foot?
A
1728
10
Q
Density = what
A
Density = Weight ÷ Volume
11
Q
Volume of a cube formula is what?
A
L x W x H
12
Q
Volume of a cylinder formula is what?
A
Pi x R squared x L or H
13
Q
Pressure = what?
A
Height x Density
14
Q
How many square inches in one square foot?
A
144 square inches.
15
Q
How many cubic ft in a cubic yard
A
27
