Practice Exams Grade II Treatment - Division of Water Quality

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201. When organic wastes are discharged to receiving waters, oxygenis depleted byA.B.Algae during the day.Bacteria.C. Ducks.D. Limestone rocks.202. Employee hazards includeA.B.Noxious or toxic gases or vapors.Oxygen deficiency.C. Physical injuries.D. All of the above.203. Hydrogen sulfide gives off an odor similar toA.B.Ammonia.Chlorine gas.C.D.Rotten eggs.Decayed wood.20~. Coliform bacteria areA. Algae.B. Coagulant aids.C. Indicators.D. Sequestering agents.205. Three waterborne diseases areA. Mumps, measles, colds.B.C.Scarlet fever, pneumonia, hay fever.Typhoid fever, dysentery, cholera.D. TE, diptheria, chickenpox.206. A cylindrical tank is 10 feet in diameter and 20 feet in height.What is the approximate capacitr in liters?A. ~~,~50.B. 31,030.c. 5, 9~2.D. ~,~~5.207. First aid for first-degree burns is toA. Bandage tightly.B. Cover liberally with a salve.C. Immerse in warm water.D. Submerge the burned area in cold water.208. Which of these pH readings indicates an acidic wastewater?A. 3.B. 7.c. 9.D. 12.'.'"
209. If water weighs 8.34 pounds per gallon, how much will seven andone-half gallons weigh?A.B.50 pounds.62.5 pounds.C. 75.6 pounds.D. 77 pounds.210. One milliliter is what fraction of a liter?A.B.1/10.1/100.C. 1/1,000.D. 1/100,000.211. The normal cause of electric motor failure isA. Dirt.B. Moisture.C. Friction.D. All of the above.212. A pump can deliver 400 gallons per minute at a total head of184.8 feet. What is the pressure equivalent to this head,expressed in pounds per square inch?A. 42.7 PSI.B.C.80 PSI.427 PSI.D. None of the above.213. How many gallons of wastewater would 600 feet of 6-inch pipehold, approximately?A. 740.B. 880.C.D.900.930.211.j. A water seal on a pump serves a dual purpose. It acts as alubrIcant and it alsoA.B.Acts as a coolant to keep the pump bearing from overheating.~.Keeps gritty material from entering the packing box. .C. Keeps the pump primed.D. Is a reserve water supply.215. The elevation of any pump above the source of supply should notexceed feet.A. 2.2B. 22C. 200D. 224216. The three common types of plastic pipe are listed as: PVC, PE andABS. These names refer to theA. Chemical resistance of the pipe.B.C.Composi tion of the pipe.Pressure for which the pipe is designed.D. Types of appropriate application.
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Page 3 and 4: Pll.GE28. "Back siphonage" occurs w
Page 5 and 6: ........PAGEi4A. Pumps out of seque
Page 7 and 8: PAGE 633. The approximate pH for go
Page 9 and 10: 45. Calculate the return activated
Page 11 and 12: PA.(;E 1057. On the air driven RBC,
Page 13 and 14: PAGE 1266. Given the following data
Page 15 and 16: PACE 1480. Drainage well or sumps (
Page 17 and 18: PAGE 1693. Your flow meter is under
Page 19: Answers3 - C4-B5-B6-C8 - A9 - C10 -
Page 23 and 24: 225. Which of the following forms o
Page 25 and 26: 2~O.Chlorine is used toA. Disinfect
Page 27 and 28: WASTEWATER STUDY GUIDECLASS II251.
Page 29 and 30: 264. In electrical circuits a(n) is
Page 31 and 32: 279. Which one of the following con
Page 33 and 34: 292. Not supplying enough air will
Page 35 and 36: Item IJAnswerSubject201 B202 0203 C

Practice Exams Grade II Treatment - Division of Water Quality

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