Class "C" Water Exam Newest Actual Exam With Complete
Questions And Correct Detailed Answers (Verified Answers)
|Already Graded A+
Calcium Hypochlorite - ANSWERS--A common chemical used in the
disenfection of a small water supply is-
A Cross Connection - ANSWERS--A physical connection between a
potable water supply and a house well would be-
Demand - ANSWERS--The amount of Chlorine in mg/L that is used by
reacting with iron, organics, or bacteria is called?
Greenish Yellow color
Heavier than air
Pungent, Penetrating odor
Corrosive - ANSWERS--All of the following are Physical characteristics
of Chlorine gas-
Solution feed pump - ANSWERS--Which of the following would be
considered a part of a hypo-chlorinator system?
,Flow measuring device - ANSWERS--According to state requirements,
all public water supply wells should be provided with a raised
concrete sealing block, screened vents and-
The difference in static and pumping levels - ANSWERS--The
drawdown of a water well is determined by-
If it is more acidic or base - ANSWERS--The pH of water indicates-
0-14 - ANSWERS--The pH of water is expressed by a scale of numbers
ranging from-
7.0 - ANSWERS--Water that is considered neutral is expressed on the
pH scale at-
Use of an approved, sterile container - ANSWERS--Which of the
following is a required step in collecting a routine distribution sample
for bacteriological testing?
Turbidity - ANSWERS--Sand filtration will remove which of the
following from surface water?
Taste and Odor control - ANSWERS--Activated Carbon is used in a
Surface Water Plant primarily for?
, Alum and Ferric Chloride - ANSWERS--Which of the following
chemical(s) are commonly used as coagulants in surface water
treatment?
Screened Vents
An approved locking roof hatch
An overflow pipe with hinged flap device
Annual inspection and maintenance as needed - ANSWERS--Ground
storage tanks are required to be provided with which of the
following?
Painting
Cathodic protection
Water stabilization - ANSWERS--An elevated storage tank should be
protected against corrosion by-
35 psi - ANSWERS--A public water supply system should maintain
residual pressure of 20 psi and a minimum normal operating
pressure of-
50 mg/L - ANSWERS--Before a new or repaired water line is placed
into service, it must be properly disinfected by providing a chlorine
dosage of _____ and proper detention time.
Aquifers - ANSWERS--Water bearing formations beneath the earth's
surface that are used as a source of water for public water supplies
are-
Questions And Correct Detailed Answers (Verified Answers)
|Already Graded A+
Calcium Hypochlorite - ANSWERS--A common chemical used in the
disenfection of a small water supply is-
A Cross Connection - ANSWERS--A physical connection between a
potable water supply and a house well would be-
Demand - ANSWERS--The amount of Chlorine in mg/L that is used by
reacting with iron, organics, or bacteria is called?
Greenish Yellow color
Heavier than air
Pungent, Penetrating odor
Corrosive - ANSWERS--All of the following are Physical characteristics
of Chlorine gas-
Solution feed pump - ANSWERS--Which of the following would be
considered a part of a hypo-chlorinator system?
,Flow measuring device - ANSWERS--According to state requirements,
all public water supply wells should be provided with a raised
concrete sealing block, screened vents and-
The difference in static and pumping levels - ANSWERS--The
drawdown of a water well is determined by-
If it is more acidic or base - ANSWERS--The pH of water indicates-
0-14 - ANSWERS--The pH of water is expressed by a scale of numbers
ranging from-
7.0 - ANSWERS--Water that is considered neutral is expressed on the
pH scale at-
Use of an approved, sterile container - ANSWERS--Which of the
following is a required step in collecting a routine distribution sample
for bacteriological testing?
Turbidity - ANSWERS--Sand filtration will remove which of the
following from surface water?
Taste and Odor control - ANSWERS--Activated Carbon is used in a
Surface Water Plant primarily for?
, Alum and Ferric Chloride - ANSWERS--Which of the following
chemical(s) are commonly used as coagulants in surface water
treatment?
Screened Vents
An approved locking roof hatch
An overflow pipe with hinged flap device
Annual inspection and maintenance as needed - ANSWERS--Ground
storage tanks are required to be provided with which of the
following?
Painting
Cathodic protection
Water stabilization - ANSWERS--An elevated storage tank should be
protected against corrosion by-
35 psi - ANSWERS--A public water supply system should maintain
residual pressure of 20 psi and a minimum normal operating
pressure of-
50 mg/L - ANSWERS--Before a new or repaired water line is placed
into service, it must be properly disinfected by providing a chlorine
dosage of _____ and proper detention time.
Aquifers - ANSWERS--Water bearing formations beneath the earth's
surface that are used as a source of water for public water supplies
are-
