WATER TREATMENT CHAPTER 2 Flashcards
THE ENERGY CRISIS AND WATER SHORTAGES ARE LINKED TOGETHER
TRUE
BOTH ANIMAL LIFE AND PLANT LIFE DEPEND ON WATER FOR SURVIVAL
TRUE
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
TRUE
LABORATORIES CAN EASILY DETECT IN WATER SAMPLES MOST OF THE NEW CHEMICALS THAT ARE DEVELOPED EACH YEAR
FALSE
ACID RAIN IS FORMED BY THE EVAPORATION OF ACED WATERS FROM MINE DRAINAGE
FALSE
PRECIPITATION IS HIGH IN BACTERIAL COUNT
FALSE
COLOR IN WATER IS OBJECTIONAL MAINLY FROM THE STANDPOINT OF HEALTH
FALSE
THE SPECIFIC DISEASE PRODUCING ORGANISM PRESENT IN WATER ARE EASILY IDENTIFIED
FALSE
CLEAR WATER IS USUALLY SAFE TO DRINK
FALSE
RUNNING WATER USUALLY PURIFIES ITSELF TO DRINKING WATER QUALITY WITHIN A REASONABLE DISTANCE
FALSE
SOURCES OF CONTAMINATION OF WATER SUPPLIES INCLUDE
(ALL)
-ACID RAIN
-INDUSTRIAL WASTE CHANGES
-INTRUSION OF SEA WATER INTO GROUND WATER BASINS
-MINERAL RESIDUES FROM IRRIGATION
-SALT FROM DE-ICING HIGHWAYS
SOURCES OF GROUNDWATER CONTAMINATION INCLUDE
(ALL)
-AGRICULTURAL DRAINAGE
-SEA WATER INTRUSION
-SEEPAGE FROM SEPTIC TANK LEACHING SYSTEMS
-SEEPAGE FROM IMPROPER DISPOSAL OF HAZARDOUS WASTE
-SURFACE RUNOFF INTO WELLS
THE BASIC TYPES OF WATER RIGHTS ARE CALLED
-APPROPRIATIVE
-PRESCRIPTIVE
-RIPARIAN
FOR PURPOSES OF DISCUSSION SURFACE WATER SUPPLIES MAY BE DIVIDED INTO WHICH OF THE FOLLOWING CLASSES?
-LAKES
-RESEVOIRS
-RIVERS
DISEASES THAT MAY BE SPREAD THROUGH A WATER SUPPLY INCLUDE
-DYSENTERY
-GIARDASIS
-TYPHOID FEVER
TYPICAL USES OF RECLAIMED WATER INCLUDE
-CROP IRRIGATION
-INDUSTRIAL REUSE
-LANDSCAPE IMPOUNDMENTS
-LANDSCAPE IRRIGATION
WHEN CONDUCTING A SANITARY SURVEY WHICH OF THE FOLLOWING ITEMS WOULD PERTAIN TO A GROUND WATER SUPPLY
ALL
WHEN CONDUCTING A SANITARY SURVEY WHICH OF THE FOLLOWING ITEMS WOULD PERTAIN TO A WATER SUPPLY IN A LAKE
ALL
ITEMS REQUIRING PROTECTIVE MEASURES IN WATERSHED THAT SERVE AS THE SOURCE OF WATER SUPPLY INCLUDE CONTROL OF
ALL
WHICH TYPES OF SUBSTANCES MAY ALTER THE QUALITY OF WATER AS IT MOVES OVER OR BELOW THE SURFACE OF THE EARTH
-BIOLOGICAL
-CHEMICAL
-PHYSICAL
-RADIOLOGICAL
TURBIDITY IN WATER RESULTS FROM THE PRESENCE OF
-FINELY DIVIDED ORGANIC MATERIAL
-PLANKTON
-SUSPENDED MATERIAL
MOST INDIVIDUALS FIND THAT WATER HAVING A TEMP BETWEEN ______ IS MOST PALATABLE
50 AND 6O DEGREES
THE PROCESS BY WHICH WATER VAPOR IS RELEASED TO THE ATMOSPHERE BY LIVING PLANTS IS CALLED
TRANSPIRATION
WATER QUALITY CHARACTERISTICS OF SURFACE WATER SUPPLIES INCLUDE
-SUSPENDED SOLIDS
-TURBIDITY
LAKES AND RESERVOIRS ARE SUSCEPTIBLE TO ALGAL BLOOMS WHEN
-SUFFICIENT NUTRIENTS ARE AVAILABLE
-TEMP IS RIGHT
SOURCES OF ODORS IN DRINKING WATER INCLUDE
-GROWTHS OF ALGAE
-HYDROGEN SULFIDE
A PUBLIC WATER SYSTEM ACCORDING TO THE SDWA INCLUDES ALL PUBLIC OR PRIVATELY OWNED SYSTEMS THAT
-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
THE BASIC OBJECTIVES IN THE OPERATION OF A WATER TREATMENT PLANT INCLUDE
-PRODUCTION OF A SAFE DRINKING WATER
-PRODUCTION OF AN AESTHETICALLY PLEASING DRINKING WATER
-PRODUCTION OF DRINKING WATER AT A REASONABLE COST
BEFORE THE INTAKE FOR WATER SUPPLY IS LOCATED IN A RIVER OR STREAM A CAREFUL STUDY MUST BE MADE OF THE
-DEGREE OF STREAM SOURCE
-SETTLING OUT OF SILT
-STREAM BOTTOM
THE AMBER COLOR IN WATER COULD INDICATE THE PRESENCE OF
-ACID WATER FROM MINE DRAINAGE
-HUMIC SUBSTANCES
DETERMINE THE CHLORINATOR SETTING IN POUNDS PER DAY
CHLORINATOR FEED RATE,LBS/DAY=(2MGO)(3mg/L)(8.34LBS/GAL)
50 LBS/DAY
ESTIMATE THE CHORINE DOSE TO A DRINKING WATER IN mg/L
mg/L=14LBS/DAY DIVIDED BY
(.933MGD)(8.34LBS/GAL)
1.8mg/L
