Water Distribution Operator (TX) License D 100% CORRECT ANSWERS

How many inches in a foot - 12 How many feet in a yard - 3 What is (pie symbol) - 3.14 Given the diameter how do you find radius - 1/2 diameter What is the formula for the area of a square - LxW What is the formula for the area of a cube - LxWxD What is the formula for the area of a circle - (pie symbol)xR^2=A^2 Area should always result in - x^2 Volume should always result in - x^3 Formula for Capacity is - Vol ft^3 x gal/ ft^3= capacity in gallons How many gallons in a cubic foot - 7.480 1. What is the surface area of the bottom of a rectangular storage tank 10 feet long and 5 feet wide? - L(ft) x W(ft)=A(ft^2) (Length x Width=Area) 10ft x 5ft=50ft^2 2. How many square feet is the roof of a chlorinator room 8 feet square? - L(ft) x W(ft)=A(ft^2) (Length x Width=Area) 8ft x 8ft=64ft^2 3. If a trench is 50 feet long and 6 feet wide, how many square feet will the bottom cover? - L(ft) x W(ft)=A(ft^2) (Length x Width=Area) 50ft x 6ft=300ft^2 4. What is the surface area of the bottom of a circular storage tank 20 feet in diameter? - (pie symbol) x R^2ft=Aft^2 (3.14 x radius=Area) R=diameter/2 3.14 x 10ft x 10ft=314ft^2