WATER TREATMENT OIT ACTUAL LATEST EXAM WITH 150+ REAL QUESTIONS AND WELL VERIFIED ANSWERS |ALREADY GRADED A+ |GUARANTEED PASS!!
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Course
WATER TREATMENT OIT
Institution
WATER TREATMENT OIT
WATER TREATMENT OIT ACTUAL LATEST
EXAM WITH 150+ REAL
QUESTIONS AND WELL VERIFIED ANSWERS
|ALREADY GRADED A+ |GUARANTEED
PASS!!
The purpose of the jar test is to determine the - ANSWER-Correct amount of
coagulant to use for proper coagulation.
The indicator methyl o...
WATER TREATMENT OIT ACTUAL LATEST
EXAM 2024-2025 WITH 150+ REAL
QUESTIONS AND WELL VERIFIED ANSWERS
|ALREADY GRADED A+ |GUARANTEED
PASS!!
The purpose of the jar test is to determine the - ANSWER-Correct amount of
coagulant to use for proper coagulation.
The indicator methyl orange is used in the test for - ANSWER-Alkalinity.
Hardness in water is caused mainly by the presence of - ANSWER-Calcium and
magnesium compounds.
Water that is high in sulfate can cause - ANSWER-Diarrhea.
The effluent weir of a clarifier is located along the rim of a 60-ft-diameter tank.
The length of the weir is _____ ft. - ANSWER-188 ft.
A number of grab sample test results that are averaged together constitute -
ANSWER-An average concentration.
,The term aeration is defined as bringing water into intimate contact with -
ANSWER-Air.
A chlorine cylinder valve is thought to be leaking. If ammonia vapor is passed near
the valve. The presence of a leak would be indicated by. - ANSWER-White
smoke.
If a fire hydrant requires a nozzle pressure of 100 psi, what head of water must be
used to supply it? - ANSWER-231 ft
A water main should be disinfected. - ANSWER-After the pipe is laid in place.
Carbon dioxide in water will. - ANSWER-Lower pH.
A pneumatic ejector lifts water from low points to higher levels. The device used
to achieve this is a(n). - ANSWER-Air compressor.
Pressure is commonly measured in. - ANSWER-Pounds per square inch.
Mechanical seals are being installed in pumps because. - ANSWER-Packing
requires an undesirable leakage that seals eliminate.
A major cause of pump and motor shaft coupling wear is a. - ANSWER-
Misalignment between pumps and motor flanges.
Filters in water treatment process are primarily for removing or reducing. -
ANSWER-Turbidity.
, A water treatment plant receives an average Flo of 261 gpm. What is the daily total
flow to the plant? - ANSWER-0.38 mgd.
The free chlorine residual in water is the amount of. - ANSWER-Uncombined
chlorine that remains in the water after the chlorine has been applied and allowed
to react.
A tank holding 2340 gal fills in 12 min. The rate of flow is ____ gpm. - ANSWER-
195 gpm.
The chlorine room should be constructed so it can be entered only from the -
ANSWER-Outside of the building.
When collecting a distribution-system sample for bacteriological testing, the
person collecting the sample should allow the water to run _______ before filling
the sample bottle. - ANSWER-as long as necessary to clear service line
A chemical commonly used to raise PH is. - ANSWER-Lime.
Black stains on plumbing fixtures might be attributable to. - ANSWER-
Manganese.
One kilogram equals _____ grams. - ANSWER-1000
The indicator organisms used to determine contamination of drinking water are. -
ANSWER-Coliform group.
The packing around the shaft of a centrifugal pump should be. - ANSWER-
Tightened just enough to allow an occasional drop of liquid to escape.
The chemical symbol for iron is. - ANSWER-Fe.
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