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Kansas Water Treatment 1

62 Questions  I  By Intelspec
Kansas Water Treatment 1
Kansas Water Treatment Operator 1 Certification practice test. Based on KDHE study guide

  
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Question Excerpt

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1.  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.
A.
B.
C.
D.
2.  The Volume of a Cylinder with a radius of 5ft and a height of 8 ft is ___ cubic FT
A.
B.
C.
D.
3.  The volume of a 100FT diameter tank that is 12ft deep is ____ Cubic FT
A.
B.
C.
D.
4.  A chemical commonly used to raise PH is
A.
B.
C.
D.
5.  Black stains on plumbing fixtures might be attributed to
A.
B.
C.
D.
6.  One Kilogram equals ____ grams
A.
B.
C.
D.
7.  The indicator organisms used to determine contamination of drinking water are
A.
B.
C.
D.
8.  The packing around the shaft of a centrifugal pump should be
A.
B.
C.
D.
9.  The chemical symbol for iron is
A.
B.
C.
D.
10.  One pound per square inch of pressure will raise water ____ Feet
A.
B.
C.
D.
11.  Static head is defined as the
A.
B.
C.
D.
12.  What is the volume of a settling tank 100ft long, 25ft wide, and 8ft deep?
A.
B.
C.
D.
13.  What is used to detect chlorine leaks ?
A.
B.
C.
D.
14.  The pressure gauge reading at the base of a tank filled to a depth of 1 ft is ___ PSI
A.
B.
C.
D.
15.  The multiple tube fermentation test consists of three distinct tests. These tests, in the order performed, are the
A.
B.
C.
D.
16.  Chlorine gas is
A.
B.
C.
D.
17.  Polyphosphates may be used in water treatment to retard corrosion and
A.
B.
C.
D.
18.  Calcium hypochlorite is formulated as a
A.
B.
C.
D.
19.  Chlorine leaks in metal container tend to
A.
B.
C.
D.
20.  Determining the pH of water is one of the important test of water quality. The results of the pH test indicate the
A.
B.
C.
D.
21.  Leakage from a packing gland should be approximately
A.
B.
C.
D.
22.  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
A.
B.
C.
D.
23.  If a fire hydrant requires a nozzle pressure of 100 PSI, what head of water must be used to supply it?
A.
B.
C.
D.
24.  A water main should be disinfected
A.
B.
C.
D.
25.  Carbon dioxide in water will
A.
B.
C.
D.
26.  A pneumatic ejector lifts water from low points to higher levels. The device used to achieve this is a(n)
A.
B.
C.
D.
27.  Pressure is commonly measured in
A.
B.
C.
D.
E.
28.  Mechanical seals are being installed in pumps because
A.
B.
C.
D.
29.  Which one of the following items must be replaced when connecting a new chlorine cylinder?
A.
B.
C.
D.
30.  A major cause of pump and motor shaft coupling wear is a
A.
B.
C.
D.
31.  Filters in a water treatment process are primarily for removing or reducing
A.
B.
C.
D.
32.  A water treatment plant receives an average flow of 261 gpm. What is the daily total flow at the plant?
A.
B.
C.
D.
33.  The free chlorine residual in water is the amount of
A.
B.
C.
D.
34.  The chemical name for muriatic acid is
A.
B.
C.
D.
35.  A chlorine residual in water can be determined by using the reagent
A.
B.
C.
D.
36.  The most important use of chlorine in water treatment is as a(n)
A.
B.
C.
D.
37.  What is the approximate volume in gallons occupied by 15,000 cubic feet of water?
A.
B.
C.
D.
38.  The difference between the amount of chlorine added to water and the amount of residual chlorine remaining at the end of a specified contact period is
A.
B.
C.
D.
39.  Water that requires a large amount of soap to produce an acceptable lather is termed
A.
B.
C.
D.
40.  A pump may be damaged if it is started with the discharge valve closed, it the pump is a(n)
A.
B.
C.
D.
41.  Prepared water sample bottles used for collecting samples for bacteriological examination contain sodium thiosulfate crystals. It is important not to rinse out the sample bottle because the sodium thiosulfate
A.
B.
C.
D.
42.  Velocity of flow in water mains is usually expressed in terms of
A.
B.
C.
D.
43.  A pH reading of 6.0 in raw water indicates the sample is
A.
B.
C.
D.
44.  The tempurature of water in a stream is 10 degrees Celsius. What is the equivalent temperature in degrees Fahrenheit?
A.
B.
C.
D.
45.  A grab sample represents
A.
B.
C.
D.
46.  The pH scale runs from
A.
B.
C.
D.
47.  Five gallons of water weigh ______ LB
A.
B.
C.
D.
48.  What is the approximate weight, in pounds, of 50,000 gal of water?
A.
B.
C.
D.
49.  The flow is 35,000 gpd. this is _____MGD.
A.
B.
C.
D.
50.  The most important factor affecting the useful life of piping is
A.
B.
C.
D.
51.  The pH value of 7.0 is considered to be
A.
B.
C.
D.
52.  The discharge pressure gauge on a pump reads 15 psi. This is equivalent to ___ ft of head
A.
B.
C.
D.
53.  Chlorine is very corrosive when combined with
A.
B.
C.
D.
54.  What is the surface area of a clarifier 40ft in diameter?
A.
B.
C.
D.
E.
55.  Chloramines are formed by the addition of chlorine and
A.
B.
C.
D.
56.  The purpose of a rotameter is to
A.
B.
C.
D.
57.  A valve that joins a customers service to the water main is called the
A.
B.
C.
D.
58.  When compared to a 1-mil gal reservoir at the same water elevation, how much pressure in the mains will a a 100,000-gal reservoir develop?
A.
B.
C.
D.
59.  What information must be on a warning tag attached to a switch that has been locked out?
A.
B.
C.
D.
60.  Which one of the following types of meters has no moving parts?
A.
B.
C.
D.
61.  The component of a centrifugal pump that is sometimes installed on the end of the suction pipe to hold the priming is known as a
A.
B.
C.
D.
62.  Coagulation and sedimentation alone cannot remove all the trubidity and suspended matter in raw water. The final step in the removal of suspended matter in water is
A.
B.
C.
D.
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