Water Treatment Certification Study Guide Set 3 (Red)

Front 1

A plat is?

Back 1

A map

Front 2

Water behind a dam and above a water treatment plant has energy by virtue of its elevation this difference in elevation is called elevation head or?

Back 2

Potential energy

Front 3

Which one of the following is a type of joint for ductile iron piping?

Back 3

Push on joint

Front 4

Which type of distribution system configuration has interconnected mains?

Back 4

Grid system

Front 5

The arrangement of pumps in parallel is typically used?

Back 5

To increase flow

Front 6

Which of the following is a disadvantage for using steel pipe?

Back 6

It has the potential for both internal and external corrosion

Front 7

Which type of distribution system configuration surrounds the distribution area with large diameter mains?

Back 7

Arterial Loop system

Front 8

The C valve is a measure of the pipe's wall?

Back 8

Roughness that retards flow due to friction

Front 9

Although velocity head can usually be ignored it should be considered when it is____to____percent of the pressure head?

Back 9

1:2

Front 10

The highest degree of protection for the exterior of a coated steel pipe is?

Back 10

Cathodic protection

Front 11

The amount of energy in feet that a pump supplies to a fluid is called?

Back 11

Pump head

Front 12

Which type of valve will prevent the collapse of a pipe?

Back 12

Air and vacuum relief valve

Front 13

As the total head on a system increases, the volume that a centrifical pump delivers is reduced?

Back 13

Proportionately

Front 14

Which type of joint should be used for a ductile iron piping in unstable soils?

Back 14

Restrained joint

Front 15

Head is measured in?

Back 15

Feet

Front 16

In which time of the day is the age of the water stored in the distribution system the highest?

Back 16

Early morning

Front 17

In general areas that require high fire flow capacity require the minimum static pressure to be?

Back 17

35 psi or greater

Front 18

Friction head loss can be calculated using tablets based on?

Back 18

The Hazen Williams formula

Front 19

The amount of liquid that can be raised vertically by a given pressure is called?

Back 19

Pressure head

Front 20

The correct protective methods for backflow prevention devices in order of decreasing effectiveness?

Back 20

Air gap, RPZ, DCVA and VB