"C" Water Operator - 600 Study Questions (study questions
to help you pass the level "C" Florida water treatment
Exam) With Complete Solutions
_______ tends to increase corrosion Correct Answers low flow
"Party on, Wayne."
"Party on, _______"? Correct Answers Garth
(CA(OH)2) id the chemical formula for ? Correct Answers
calcium hydroxide
a "B" class WTP must have a "C" operator or higher on duty for
______. Correct Answers 16 hrs a day / 7 days a week
a chlorinator is experiencing low chlorine feed rate with the rate
valve open. the injector vacuum is low but increases when the
rate valve is shut. what is the probable cause? Correct Answers
clogged injector and insufficient injector water supply
a common membrane used in reverse osmosis water treatment
is____. Correct Answers cellulose acetate
a community water system serving 350 or more persons, or
having 150 or more service connections must provide auxiliary
power for operation of source treatment units and pumps at a
rate equal to? Correct Answers average daily flow.
a connection between potable water and an unapproved
connection is called? Correct Answers cross contamintaion
,a customer complains of a swimming pool taste and odor in the
drinking water. what is the most likely cause? Correct Answers
low chlorine residual
a detailed evaluation or inspection of a source of water? Correct
Answers sanitary survey
A device that measures the accumulative amount of a process
over a 24 hour period is called? Correct Answers Totalizer
a filter has a sudden increase in head loss. Media surface sealing
is suspected. what action should be taken? Correct Answers
evaluate plant process, jar test if needed
a glass tube partially filled with liquid that measures gas
pressure is called? Correct Answers manometer
a green haired superhero, whos mission was to save the planet
from pollution. He could be summoned by his teenage friends
with magical rings. Correct Answers Who is Captain Planet?
a greensand filter is commonly used to remove? Correct
Answers iron
a hypochlorite solution is being prepared in a 100 gal tank. if
you add 20 gal of 5% NaOCL to the tank, how much water
should be add to the tank to get 1.5% hypochlorite solution?
Correct Answers 47 gal
,a leak is detected in the bottom valve of a chlorine cylinder.
what action should be taken? Correct Answers rotate the
cylinder
a lime softening plant is having trouble with slow floc
formation. what is the most cost effective way to solve the
problem? Correct Answers recycle settled sludge
A man is bass fishing from shore and there is a constant 20 mph
wind at his 11 o'clock. He is using 8 lb mono, a bait casting reel,
and a top water frog. What happens?
A) he catches a PB
B) every cast he gets a birds nest
C) he gives up and goes home
D) B & C Correct Answers D
a natural underground layer of porous, water-bearing materials
usually capable of yielding a large supply of water is called?
Correct Answers an aquifer
a PH from 7.5 to 8.5, water temperature of 25 to 30 C, and a free
ammonia concentration may cause what condition in water?
Correct Answers nitrification
a positive displacement pump should never be
operated________? Correct Answers against a closed discharge
valve
a positive L.I. will _____ the rate of _____. Correct Answers
decrease / corrosion
, a positive langlier index is _______. Correct Answers scale
forming
a positive mineral ion found in high concentration in deep well
water that can cause hard boiler scaling is? Correct Answers
silica
a process in which organisms with the aid of chlorophyll,
convert carbon dioxide and inorganic substances into oxygen
and additional plant material, using sunlight for energy is known
as? Correct Answers photosynthesis
a RO plant treats 900,000 gallons of water a day. The monthly
finished water production is 23 million gallons. what is the
recovery rate? Correct Answers 85%
a sample collected for Ph measurement should be? Correct
Answers measured for temperature
a sample taken from a customer's tap that has not been used for a
minimum of 6 hours or a maximum of 12 hours is called?
Correct Answers first draw
a saturator used with sodium fluoride will have severe scaling if
the water hardness is above? Correct Answers 10mg/l
a shorthand name for a chemical element is? Correct Answers
chemical symbol
to help you pass the level "C" Florida water treatment
Exam) With Complete Solutions
_______ tends to increase corrosion Correct Answers low flow
"Party on, Wayne."
"Party on, _______"? Correct Answers Garth
(CA(OH)2) id the chemical formula for ? Correct Answers
calcium hydroxide
a "B" class WTP must have a "C" operator or higher on duty for
______. Correct Answers 16 hrs a day / 7 days a week
a chlorinator is experiencing low chlorine feed rate with the rate
valve open. the injector vacuum is low but increases when the
rate valve is shut. what is the probable cause? Correct Answers
clogged injector and insufficient injector water supply
a common membrane used in reverse osmosis water treatment
is____. Correct Answers cellulose acetate
a community water system serving 350 or more persons, or
having 150 or more service connections must provide auxiliary
power for operation of source treatment units and pumps at a
rate equal to? Correct Answers average daily flow.
a connection between potable water and an unapproved
connection is called? Correct Answers cross contamintaion
,a customer complains of a swimming pool taste and odor in the
drinking water. what is the most likely cause? Correct Answers
low chlorine residual
a detailed evaluation or inspection of a source of water? Correct
Answers sanitary survey
A device that measures the accumulative amount of a process
over a 24 hour period is called? Correct Answers Totalizer
a filter has a sudden increase in head loss. Media surface sealing
is suspected. what action should be taken? Correct Answers
evaluate plant process, jar test if needed
a glass tube partially filled with liquid that measures gas
pressure is called? Correct Answers manometer
a green haired superhero, whos mission was to save the planet
from pollution. He could be summoned by his teenage friends
with magical rings. Correct Answers Who is Captain Planet?
a greensand filter is commonly used to remove? Correct
Answers iron
a hypochlorite solution is being prepared in a 100 gal tank. if
you add 20 gal of 5% NaOCL to the tank, how much water
should be add to the tank to get 1.5% hypochlorite solution?
Correct Answers 47 gal
,a leak is detected in the bottom valve of a chlorine cylinder.
what action should be taken? Correct Answers rotate the
cylinder
a lime softening plant is having trouble with slow floc
formation. what is the most cost effective way to solve the
problem? Correct Answers recycle settled sludge
A man is bass fishing from shore and there is a constant 20 mph
wind at his 11 o'clock. He is using 8 lb mono, a bait casting reel,
and a top water frog. What happens?
A) he catches a PB
B) every cast he gets a birds nest
C) he gives up and goes home
D) B & C Correct Answers D
a natural underground layer of porous, water-bearing materials
usually capable of yielding a large supply of water is called?
Correct Answers an aquifer
a PH from 7.5 to 8.5, water temperature of 25 to 30 C, and a free
ammonia concentration may cause what condition in water?
Correct Answers nitrification
a positive displacement pump should never be
operated________? Correct Answers against a closed discharge
valve
a positive L.I. will _____ the rate of _____. Correct Answers
decrease / corrosion
, a positive langlier index is _______. Correct Answers scale
forming
a positive mineral ion found in high concentration in deep well
water that can cause hard boiler scaling is? Correct Answers
silica
a process in which organisms with the aid of chlorophyll,
convert carbon dioxide and inorganic substances into oxygen
and additional plant material, using sunlight for energy is known
as? Correct Answers photosynthesis
a RO plant treats 900,000 gallons of water a day. The monthly
finished water production is 23 million gallons. what is the
recovery rate? Correct Answers 85%
a sample collected for Ph measurement should be? Correct
Answers measured for temperature
a sample taken from a customer's tap that has not been used for a
minimum of 6 hours or a maximum of 12 hours is called?
Correct Answers first draw
a saturator used with sodium fluoride will have severe scaling if
the water hardness is above? Correct Answers 10mg/l
a shorthand name for a chemical element is? Correct Answers
chemical symbol
