| # | Water weighs | 7.48 lb/gal. | 62.4 lb/cu ft. | 8.34 lb/gal. | both 1 & 2. | none of the above. | 4
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| 1 | One metre equals | 39.37 in. | 3.28 ft. | 1.094 yd. | all of the above. | both 1 & 2. | 4 |
| 2 | One pound equals | 16 oz. | 453.6 g. | 7000 gr. | all of the above. | none of the above. | 4 |
| 3 | One pound of preasure will raise water how far? | 1728 ft. | 2.31 ft. | 4.62 ft. | .233 ft. | 64.4 ft. | 2 |
| 4 | One cubic foot of water contains | 1.55 gal. | 8.34 gal. | 64.4 gal. | 7.48 gal. | 62.4 gal. | 4 |
| 5 | Five gallons of water weighs how much? | 8.34 lb. | 64.4 lb. | 41.7 lb. | 83.4 lb. | 2.31 lb. | 1 |
| 6 | How much does one cubic foot of water weigh? | 8.34 lb. | 64.4 lb. | 62.4 lb. | 83.4 lb. | 41.7 lb. | 3 |
| 7 | How many cubic inches are in 1 cubic foot? | 12 cu in. | 144 cu in | 694 cu in. | 288 cu in. | 1728 cu in. | 5 |
| 8 | What is the chlorine demand if the residual is 0.8 mg/l and 5.8 mg/l has been applied? | 5.0 mg/l. | 4.2 mg/l. | 1.0 mg/l. | 6.4 mg/l. | 6.0 mg/l. | 1 |
| 9 | A flow of 1.55 cfs is how many gallons per minute? | 150 gpm | 155 gpm | 384 gpm | 696 gpm | 969 gpm | 4 |
| 10 | What is the surface area of a clarifier 40 ft. in diameter? | 126 sq ft. | 630 sq ft. | 960 sq ft. | 1122 sq ft. | 1256 sq ft. | 5 |
| 11 | Water has its greatest density at 4 degrees centigrade. What is the corresponding temperature in degrees F. | 27.4 | 38.9 | 39.2 | 41.3 | 60.1 | 3 |
| 12 | What is the approximate volume of water in gallons that occupies 15,000 cu ft? | 22,100 | 112,200 | 120,000 | 210,000 | none of the above | 2 |
| 13 | How many gallons per minute is a flow of 1.0 mgd? | 521 gpm | 681 gpm | 695 gpm | 814 gpm | 825 gpm | 3 |
| 14 | What is the volume of a tank 100 ft in diameter and that is 12 feet deep? | 94,200 cu ft | 98,200 cu ft | 102,350 cu ft | 295,000 cu ft | 575,000 cu ft | 1 |
| 15 | A triangle has a base of 8 1/3 ft and a hieght of 3 3/5 ft. What is its area? | 15 sq ft | 18 sq ft | 25 sq ft | 30 sq ft | 31.5 sq ft | 1 |
| 16 | What is the volume of a settling tank that is 100 ft long, 20 ft wide and 15 ft deep? | 28,500 cu ft | 30,000 cu ft | 32,000 cu ft | 33,000 cu ft | 35,000 cu ft | 2 |
| 17 | A flow of water of 0.7 mgd is almost equal to which one of the following? | 29,200 gph | 0.45 cfs | 64.9 cfs | 550 gpm | none of the above | 1 |
| 18 | A tank is 5 ft and a diameter of 10 ft. How many gallons does this tank hold? | 578 | 785 | 870 | 5870 | none of the above | 4 |
| 19 | A cone has a hieght of 12 ft and a radius of 8 ft. Find its volume to the closest cu ft. | 84 cu ft | 256 cu ft | 502 cu ft | 804 cu ft | none of the above | 4 |
| 20 | A liquid has a specific gravity of 1.16. How much would 300 gal of this liquid weigh? | 348 lbs | 2902 lbs | 158 kg | 2502 lbs | none of the above | 2 |
| 21 | How many pounds of 65 % available chlorine equal 2 lb of 100 % chlorine? | 5.28 | 1.30 | 3.08 | 308 | none of the above | 3 |
| 22 | How many pounds of chemical are added to 50,000 gal of water in order to producea dosage of 75 mg/l? | 15 lb | 31 lb | 60 lb | 150 lb | none of the above | 2 |
| 23 | Dry alum is added at the rate of 250 lb/day in a plant operation at the rate of 1.6 mgd. What is the dosage in mg/l? | 12 mg/l | 23 mg/l | 26 mg/l | 19 mg/l | 65 mg/l | 4 |
| 24 | If the preasure at the bottom of a 200 ft standpipe reads 68 psi, what is the static head in feet? | 86 ft | 143 ft | 157 ft | 200 ft | none of the above | 3
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