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5th 6 Months > WATER TREATMENT CHAPTER 2 > Flashcards

WATER TREATMENT CHAPTER 2 Flashcards

1
Q

THE ENERGY CRISIS AND WATER SHORTAGES ARE LINKED TOGETHER

A

TRUE

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2
Q

BOTH ANIMAL LIFE AND PLANT LIFE DEPEND ON WATER FOR SURVIVAL

A

TRUE

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3
Q

LARGE CITIES MAY OBTAIN THEIR RAW WATER SUPPLY FROM A STREAM OR RIVER INTO WHICH THE TREATED WASTEWATER FROM AN UPSTREAM CITY HAS BEEN DISCHARGED

A

TRUE

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4
Q

LABORATORIES CAN EASILY DETECT IN WATER SAMPLES MOST OF THE NEW CHEMICALS THAT ARE DEVELOPED EACH YEAR

A

FALSE

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5
Q

ACID RAIN IS FORMED BY THE EVAPORATION OF ACED WATERS FROM MINE DRAINAGE

A

FALSE

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6
Q

PRECIPITATION IS HIGH IN BACTERIAL COUNT

A

FALSE

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7
Q

COLOR IN WATER IS OBJECTIONAL MAINLY FROM THE STANDPOINT OF HEALTH

A

FALSE

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8
Q

THE SPECIFIC DISEASE PRODUCING ORGANISM PRESENT IN WATER ARE EASILY IDENTIFIED

A

FALSE

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9
Q

CLEAR WATER IS USUALLY SAFE TO DRINK

A

FALSE

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10
Q

RUNNING WATER USUALLY PURIFIES ITSELF TO DRINKING WATER QUALITY WITHIN A REASONABLE DISTANCE

A

FALSE

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11
Q

SOURCES OF CONTAMINATION OF WATER SUPPLIES INCLUDE

A

(ALL)
-ACID RAIN
-INDUSTRIAL WASTE CHANGES
-INTRUSION OF SEA WATER INTO GROUND WATER BASINS
-MINERAL RESIDUES FROM IRRIGATION
-SALT FROM DE-ICING HIGHWAYS

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12
Q

SOURCES OF GROUNDWATER CONTAMINATION INCLUDE

A

(ALL)
-AGRICULTURAL DRAINAGE
-SEA WATER INTRUSION
-SEEPAGE FROM SEPTIC TANK LEACHING SYSTEMS
-SEEPAGE FROM IMPROPER DISPOSAL OF HAZARDOUS WASTE
-SURFACE RUNOFF INTO WELLS

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13
Q

THE BASIC TYPES OF WATER RIGHTS ARE CALLED

A

-APPROPRIATIVE
-PRESCRIPTIVE
-RIPARIAN

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14
Q

FOR PURPOSES OF DISCUSSION SURFACE WATER SUPPLIES MAY BE DIVIDED INTO WHICH OF THE FOLLOWING CLASSES?

A

-LAKES
-RESEVOIRS
-RIVERS

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15
Q

DISEASES THAT MAY BE SPREAD THROUGH A WATER SUPPLY INCLUDE

A

-DYSENTERY
-GIARDASIS
-TYPHOID FEVER

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16
Q

TYPICAL USES OF RECLAIMED WATER INCLUDE

A

-CROP IRRIGATION
-INDUSTRIAL REUSE
-LANDSCAPE IMPOUNDMENTS
-LANDSCAPE IRRIGATION

17
Q

WHEN CONDUCTING A SANITARY SURVEY WHICH OF THE FOLLOWING ITEMS WOULD PERTAIN TO A GROUND WATER SUPPLY

A

ALL

18
Q

WHEN CONDUCTING A SANITARY SURVEY WHICH OF THE FOLLOWING ITEMS WOULD PERTAIN TO A WATER SUPPLY IN A LAKE

A

ALL

19
Q

ITEMS REQUIRING PROTECTIVE MEASURES IN WATERSHED THAT SERVE AS THE SOURCE OF WATER SUPPLY INCLUDE CONTROL OF

A

ALL

20
Q

WHICH TYPES OF SUBSTANCES MAY ALTER THE QUALITY OF WATER AS IT MOVES OVER OR BELOW THE SURFACE OF THE EARTH

A

-BIOLOGICAL
-CHEMICAL
-PHYSICAL
-RADIOLOGICAL

21
Q

TURBIDITY IN WATER RESULTS FROM THE PRESENCE OF

A

-FINELY DIVIDED ORGANIC MATERIAL
-PLANKTON
-SUSPENDED MATERIAL

22
Q

MOST INDIVIDUALS FIND THAT WATER HAVING A TEMP BETWEEN ______ IS MOST PALATABLE

A

50 AND 6O DEGREES

23
Q

THE PROCESS BY WHICH WATER VAPOR IS RELEASED TO THE ATMOSPHERE BY LIVING PLANTS IS CALLED

A

TRANSPIRATION

24
Q

WATER QUALITY CHARACTERISTICS OF SURFACE WATER SUPPLIES INCLUDE

A

-SUSPENDED SOLIDS
-TURBIDITY

25
Q

LAKES AND RESERVOIRS ARE SUSCEPTIBLE TO ALGAL BLOOMS WHEN

A

-SUFFICIENT NUTRIENTS ARE AVAILABLE
-TEMP IS RIGHT

26
Q

SOURCES OF ODORS IN DRINKING WATER INCLUDE

A

-GROWTHS OF ALGAE
-HYDROGEN SULFIDE

27
Q

A PUBLIC WATER SYSTEM ACCORDING TO THE SDWA INCLUDES ALL PUBLIC OR PRIVATELY OWNED SYSTEMS THAT

A

-HAVE ATLEAST 15 SERVICES CONNECTIONS WHICH ARE USED AT LEAST 60 DAYS OUT OF THE YEAR
-SERVE AN AVERAGE OF AT LEAST 25 PEOPLE AT LEAST 60 DAYS OUT OF THE YEAR

28
Q

THE BASIC OBJECTIVES IN THE OPERATION OF A WATER TREATMENT PLANT INCLUDE

A

-PRODUCTION OF A SAFE DRINKING WATER
-PRODUCTION OF AN AESTHETICALLY PLEASING DRINKING WATER
-PRODUCTION OF DRINKING WATER AT A REASONABLE COST

29
Q

BEFORE THE INTAKE FOR WATER SUPPLY IS LOCATED IN A RIVER OR STREAM A CAREFUL STUDY MUST BE MADE OF THE

A

-DEGREE OF STREAM SOURCE
-SETTLING OUT OF SILT
-STREAM BOTTOM

30
Q

THE AMBER COLOR IN WATER COULD INDICATE THE PRESENCE OF

A

-ACID WATER FROM MINE DRAINAGE
-HUMIC SUBSTANCES

31
Q

DETERMINE THE CHLORINATOR SETTING IN POUNDS PER DAY
CHLORINATOR FEED RATE,LBS/DAY=(2MGO)(3mg/L)(8.34LBS/GAL)

A

50 LBS/DAY

32
Q

ESTIMATE THE CHORINE DOSE TO A DRINKING WATER IN mg/L
mg/L=14LBS/DAY DIVIDED BY
(.933MGD)(8.34LBS/GAL)

A

1.8mg/L

5th 6 Months (13 decks)

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