Water Column Pressure and Conversions

The video tutorial covers essential math concepts used in the plumbing field, including basic measurements and conversions to square and cubic feet. It explains how to convert inches into decimal feet and demonstrates calculations for volume and PSI in pipes. The tutorial also provides important constants and facts that are useful for plumbing professionals.

What is the basic math operation used to calculate square feet from length and width?

• Multiplication

• Division

• Subtraction

• Addition

How many square inches are there in one square foot?

• 100

• 144

• 256

• 200

What is the first step in converting inches to a decimal of a foot?

• Divide by 12

• Multiply by 12

• Subtract 12

• Add 12

If you have 5 inches, what is its decimal equivalent in feet?

• 0.750

• 0.583

• 0.500

• 0.417

How do you convert a decimal of a foot back into inches?

• Subtract 12

• Multiply by 12

• Divide by 12

• Add 12

What is the conversion factor for inches to feet?

• 10

• 11

• 12

• 13

What is the volume in cubic feet of a space that is 9 feet 5 inches long, 10 feet 2 inches wide, and 7 inches deep?

• 65.82

• 60.82

• 55.82

• 50.82

How many cubic feet are in a cubic yard?

• 36

• 9

• 18

• 27

What is the formula to calculate cubic feet from length, width, and depth?

• Length / Width / Depth

• Length - Width - Depth

• Length x Width x Depth

• Length + Width + Depth

What is the psi exerted by a one-foot column of water?

• 0.433 psi

• 0.333 psi

• 0.633 psi

• 0.533 psi