Conversions

          1.  How is the term p ³ written in expanded form?

a.  .14 x .14 x .14 b.  3.14 x 3.14 x 3.14 c.  3 x 3 x 3 d.  3.3 x 3.3 x 3.3

          2.  In expanded form, 4³  means:

a.  3 x 3 x 3 x 3 b.  4 x 4 x 4 c.  4 x 4 x 4 x 4 d.  12

         3.  How is the term ft² written in expanded form?

a.  2 x 2 b.  feet c.  feet x feet d.  two feet

4.  How is the term 75% written in decimal form?

a.  .075 b.  .75 c.  .0075 d.  7.5

5.  Convert 24% to decimal form.

a.  .0024 b.  2.4 c.  .24 d.  24

6.  One gallon per minute (gpm) equals ______ gallons per day?

a.  1000 b.  60 c.  1440 d.  1200

7.  If the diameter of a circle is 60 feet, what is the radius?

a.  3 feet b.  120 feet c.  60 feet d.  30 feet

8.  What is the circumference of a circle with a 40 ft. diameter?

a.  12.6 feet b.  125.6 feet c.  222.5 feet d.  40 feet

9.  What is the perimeter of a filter that measures 15 feet long and 10 feet wide?

a.  50 feet b.  15 feet c.  10 feet d.  150 feet

Flow

10.  A well pumps 650 gpm

A.  How many gallons per hour pumped?

a.  3900 GPM b.  3900 GPD c.  39,000 GPH d.  39,000 GPM

B.  How many gallons per day pumped?

a.  93,600 GPD b.  125,000 GPH c.  836,000 GPD d.  936,000 GPD

C.  How many gallons were pumped in a 6-hour period?

a.  2,840 gal b.  234,000 gal c.  39,000 gal d.  4,400 gal

11.  A pump in the treatment plant runs at a rate of 1200 gpm.

A.  How many gallons per day pumped? 

a.  28,800 gal b.  72,000 gal c.  550,028 gal d.  1,728,000 gal

B.  How many Million Gallons per Day (MGD) will it pump?

a.  .0288 MGD b.  .072 MGD c.  .550 MGD d.  1.728 MGD

12.  How many gallons will be pumped by a 750 gpm pump that is run for 7 hours?
      

a.  32,000 gal b.  45,000 gal c.  315,000 gal d.  1.5 MGD

A.  Convert that 7-hour volume of water to MGD.

a.  .032 MGD b.  .045 MGD c.  .315 MGD d.  1.5 MGD

Surface Area

13.  An 80-foot diameter spherical water tower needs to be painted.  How many square feet of surface area are there to paint?

a.  2,096 ft³ b.  20,096 ft² c.  40,022 ft² d.  48,022 ft²

14.  What is the cross sectional area of a 12" section of pipe?

a.  .785 ft² b.  1 ft c.  7.85 ft d.  144 inch²

15.  What is the cross sectional area of a 6" section of pipe?

a.  .19625 ft² b.  2.442 ft² c.  6.22 ft² d.  28.26 inch²

16.  A filter measures 20 feet long, 15 feet wide and 10 feet deep.  What is the water surface area?

a.  300 ft² b.  300 gallons c.  1.20 acres d.  3000 ft²

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