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Water Well Service Technician

Real-Life Activities

Real-Life Math

You are a water well service technician. You are installing wells at 2 houses in the countryside. At the Mabels' home, you are using a line shaft turbine pump in the well. At the Fox house, you are installing a submersible pump. Each of these types of pumps needs different sized casings (tubing).

"We use math daily," says Jim Clark, a water well service technician. "We use it for measuring, and drilling. We use formulas that are laid out in books, and consult tables. There is quite a bit of math that needs to be done."

At the shop you select the casings you will need for each job.

Question A.

For the Mabels' line shaft turbine, you select a casing with a circumference of 20 inches. The diameter of the casing for a line shaft turbine pump must be at least 6 inches. Will this casing be the right size?

Question B.

For the Fox submersible pump, you select a casing that has a circumference of 11 inches. The diameter for this casing must be at least 4 inches. Will this casing be the right size?

Circumference = Pi x Diameter

Pi = 3.14

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