Distribution 2 Quiz 3

Question

Which two acids are formed when chlorine gas is mixed with water?

Answer 1

Citric acid and hydrochloric acid

Answer 2

Hypochlorous acid and dichloramine

Answer 3

Hypochlorous acid and monochloramine

Answer 4

Hypochlorous acid and hydrochloric acid

Answer 5

Trihalomethane

Answer 6

Chloramine

Answer 7

Natural organic matter

Answer 8

Nutating disk

Answer 9

Very smooth interior

Answer 10

Very strong pipe

Answer 11

Very weak pipe

Answer 12

Very rough interior

Answer 13

Combination map

Answer 14

Conditional map

Answer 15

Comprehensive map

Answer 16

Process schematic

Answer 17

Subsurface

Answer 18

The process by which atmospheric moisture falls onto land

Answer 19

The process by which water vapor is released to the atmosphere by living plants

Answer 20

The conversion of vapor to liquid

Answer 21

The conversion of liquid to solid

Answer 22

Samples are taken based on the number of complaints received during the prior month

Answer 23

All samples are taken at the largest tank sites

Answer 24

Samples must be taken in accordance with an approved sampling plan

Answer 25

Samples are taken based on the total length of water main

Answer 26

Measure pH

Answer 27

Measure amount of tuberculation in a pipe

Answer 28

Measure the water depth in a tank

Answer 29

Measure flow rate

Answer 30

Water table

Answer 31

Zone of influence

Answer 32

Self-contained breathing apparatus (SCBA)

Answer 33

Chlorine reacts with arsenic

Answer 34

Chlorine reacts with nitrate

Answer 35

Chlorine reacts with iron

Answer 36

Chlorine reacts with natural organic matter

Answer 37

It is commonly used to pump groundwater from a well

Answer 38

Never operate it with the discharge valve closed because it could rupture the discharge pipe

Answer 39

Flow rate varies with change in pressure

Answer 40

An impeller is used to move water

Answer 41

Restaurant

Answer 42

At least 5 feet above the top of the trench

Answer 43

At least 4 feet above the top of the trench

Answer 44

At least 3.5 feet above the top of the trench

Answer 45

At least 3 feet above the top of the trench

Answer 46

Test water quality

Answer 47

Determine flow rate

Answer 48

Test corrosivity of water

Answer 49

Check strength of pipe

Answer 50

It is used to remove chlorine from a cylinder

Answer 51

It is where chlorine is refilled by an operator

Answer 52

It is a safety device that must never be removed

Answer 53

It is primarily used to lift the chlorine cylinder

Answer 54

Disease caused by lead

Answer 55

Ailment caused by coliform

Answer 56

Blue Baby Syndrome

Answer 57

Safe Drinking Water Act

Answer 58

Federal Water Act

Answer 59

National Potable Water Act

Answer 60

Federal Drinking Water Rule

Answer 61

Monthly sampling requirements are based on the total length of service laterals in the distribution system

Answer 62

Routine coliform monitoring frequency for a community water system is based on the size of the population served.

Answer 63

Monthly sampling requirements are based on the peak demand

Answer 64

Monthly sampling requirements are based on the total length of water main in the distribution system

Answer 65

Plunger pump

Answer 66

Piston pump

Answer 67

Vertical tubrine pump

Answer 68

Diaphragm pump

Answer 69

Customers must be notified as soon as possible, but wtihin 30 days if a contaminant that doesn't pose an immediate health risk exceeds the MCL

Answer 70

Customers must be notified within 24 hours if there is potential for human health to be immediately impacted

Answer 71

Customers must be notified within a year if a required water sample was not taken

Answer 72

Customers must be notified within 48 hours if there is potential for human health to be immediately impacted

Answer 73

Force required to pull a pipe to the point of failure

Answer 74

Compressive force

Answer 75

Ability of a pipe to resist tensile force

Answer 76

Ability of a pipe to bend without breaking

Answer 77

Semi-open and closed

Answer 78

Positive and negative

Answer 79

Mechanical and packing

Answer 80

Cation and anion

Answer 81

Between 1 and 5 feet

Answer 82

Between 15 and 25 feet

Answer 83

An annual report that summarizes the finances of the water purveyor

Answer 84

An annual report that projects the water demand for the next five years

Answer 85

An annual water quality report to customers regarding their drinking water

Answer 86

A bi-annual report that evaluates the reliability of the water system in case of a catastrophe

Answer 87

Backflow from a house with higher water pressure than the adjacent water main

Answer 88

Reverse flow from a factory pump to the water distribution system

Answer 89

Unprotected connection between a non-potable water source and teh water distribution system

Answer 90

Backflow due to negative pressure in the water system

Answer 91

Pitot gauge

Answer 92

Pressure testing

Answer 93

A deal used to minimize water leakage from a well pump

Answer 94

The gasket used to connect the well casings to the pump

Answer 95

Concrete foundation for the well pump

Answer 96

Grout placed outside of the well casing to prevent contamination of the aquifer

Answer 97

Cone of depression

Answer 98

Cavitation

Answer 99

An open check valve

Answer 100

A damaged air release valve

Answer 101

Adding polymer

Answer 102

Adding copper sulfate

Answer 103

Injecting sodium thiosulfate

Answer 104

More than 10% of samples collected are total coliform positive

Answer 105

More than 5% of samples are total coliform positive

Answer 106

More than 7% of samples are total coliform positive

Answer 107

More than 12% of samples collected are total coliform postive

Answer 108

The difference between the static water level and pumping water level

Answer 109

The lowering of the water table by an adjacent well pump

Answer 110

If the water level in a well does not return to its original static water level after pumping has stopped, the vertical distance it falls short is the residual drawdown

Answer 111

The difference between the ground surface and the pumping water level

Answer 112

High alkalinity

Answer 113

Stratification

Answer 114

The run time of a well pump

Answer 115

The time it takes to cool a well pump

Answer 116

The time required for the water level to return to the static water level after pumping has stopped

Answer 117

The time it takes to pump the maximum flow rate after the pump has started

Answer 118

Chloramine

Answer 119

Remove tuberculation

Answer 120

Check the corrosiveness of water

Answer 121

Relieve excess pressure

Answer 122

Used to make a hot tap

Answer 123

The area that covers the limits of cone of depression

Answer 124

The difference between the static water level and the pumping water level

Answer 125

The water level in the well when the pump is operating

Answer 126

The water level in the well when the pump has been turned off

Answer 127

Safety of construction employees

Answer 128

Helps remove tuberculation

Answer 129

Allows crew to check the interior condition of the pipe

Answer 130

Minimizes the chances of contaminating the water supply

Answer 131

Test sample for Giardia

Answer 132

Test sample for E. coli

Answer 133

Test sample for Cryptosporidium

Answer 134

Test sample for viruses

Answer 135

Free residual chlorine

Answer 136

A chemical used to dechlorinate water

Answer 137

Combined residual chlorine

Answer 138

Hypochlorous acid

Answer 139

Presence / absence test for coliform bacteria

Answer 140

Cryptosporidium test

Answer 141

Virus analysis

Answer 142

Test for Gieardia

Answer 143

A water right that is aquired with title to land, bordering surface water

Answer 144

A water right that is acquired through adverse possession of someone else's water right

Answer 145

A water right for a homeownder who purchased property adjacent to a river

Answer 146

A water right that is acquired for the beneficial use of water by following a specific legal procedure

Answer 147

The time it takes to prime a pump

Answer 148

Elapsed time between sample collection and analysis

Answer 149

The time it takes chlorine to react with ammonia

Answer 150

The time it takes to flush a hydrant

Answer 151

Shallow aquider

Answer 152

Artesian well

Answer 153

Shallow well

Answer 154

A pilot well

Answer 155

A caisson with horizontally drilled wells

Answer 156

Minimize leakage, while allowing a slight leak

Answer 157

Completely stop leakage

Answer 158

Impart velocity to the water

Answer 159

Protect shaft from excessive wear-and-tear

Answer 160

Increase pump pressure

Answer 161

Cool and lubricate the packings

Answer 162

Cool the motor

Answer 163

Clean the impeller

Answer 164

Create a water-tight bell and spigot joint for a pipe

Answer 165

Prevent surface water from contaminating the aquifer

Answer 166

Connect a new water main to an existing pipe

Answer 167

Prevent leakage from a pump

Answer 168

Gate valve

Answer 169

Globe valve

Answer 170

Butterfly valve

Answer 171

Air release valve

Answer 172

Tuberculation

Answer 173

Water Hammer

Answer 174

Cavitation

Answer 175

Grab sample

Answer 176

Composite sample

Answer 177

Comprehensive sample

Answer 178

Mixed sample

Answer 179

Thermocline

Answer 180

Hydrophobic

Answer 181

Always sized for fire flow

Answer 182

Often used at a water treatment plant to store treated water

Answer 183

Typically found in large water systems to provide water via gravity flow

Answer 184

Provides inadequate fire protection

Answer 185

Stop the flow of water

Answer 186

Restrain and prevent movement of the piping system

Answer 187

Push air bubbles out of the water main

Answer 188

A pump station that adds significant head to the water

Answer 189

Every 1-4 years

Answer 190

Every 5-7 years

Answer 191

Bi-Monthly

Answer 192

Corrosion control

Answer 193

Maintain proper alignment of the service lateral

Answer 194

Prevent settling of the meter box

Answer 195

Avoid electrical shock

Answer 196

Chlorine becomes less effective as the water temperature becomes warmer

Answer 197

The higher the temperature, the more rapid the rate of disinfection

Answer 198

Water temperature does not impact the effectiveness of chlorine

Answer 199

Chlorine effectiveness significantly fluctuates as the water temperature increases

Answer 200

The total amount of water used within a water distribution system each month

Answer 201

The total amount of water used by a water district each year

Answer 202

Average day demand divided by the total number of people served

Answer 203

The total amount of water used by a family in one year

Answer 204

Sodium hypochlorite

Answer 205

Sodium chloride

Answer 206

Sodium hydroxide

Answer 207

Calcium hypochlorite

Answer 208

Inorganic matter

Answer 209

Organic matter

Answer 210

All suspended solids

Answer 211

All dissolved solids

Answer 212

Relieve excess pressure

Answer 213

Dewater water main prior to repair

Answer 214

A drain hole is not commonly found on a dry barrel hydrant

Answer 215

Remove water from the barrel of the hydrant

Answer 216

A single sample of water collected at a particular time and place

Answer 217

A sample to test for pH

Answer 218

A collection of individual samples obtained at regular intervals

Answer 219

A sample to test for coliform bacteria

Answer 220

Nutating disk water meter

Answer 221

Propeller water meter

Answer 222

Electromagnetic meter

Answer 223

Venturi meter

Answer 224

Quickly close the valve

Answer 225

Slowly close the valve

Answer 226

Close the largest valve near the hydrant

Answer 227

Close the smallest valve on the adjacent water main

Answer 228

Lantern ring is damaged

Answer 229

Packings wear out quickly

Answer 230

Mechanical seal becomes loose

Answer 231

Overheating

Answer 232

Friction loss

Answer 233

The difference in water level between the discharge side and suction side of the pump

Answer 234

Total static head + head loss

Answer 235

The water pressure on the discharge side of the pump

Answer 236

The head on the suction side of the pump

Answer 237

The head on the discharge side of the pump

Answer 238

Friction loss when the pump is running

Answer 239

The vertical distance between the free water surface on the discharge side of the pump and the suction side of the pump

Answer 240

Groundwater

Answer 241

Authorize entry

Answer 242

Assess the conditions inside and outside the confined space to determine if it is safe for the entrant to remain inside, and orders the entrant to evacuate the confined space as necessary

Answer 243

Cancel the entry permit, as necessary

Answer 244

Verify that all testes specified by the permit have been condcuted and that all procedures and equipment specified by the permit are in place before endorsing the permit

Answer 245

Intestines of warm-blooded organisms

Answer 246

Vegetation

Answer 247

pH will increase

Answer 248

pH will be unaffected

Answer 249

pH will significantly fluctuate

Answer 250

pH will decrease

Answer 251

The amount of chlorine remaining after contact time

Answer 252

Total chlorine dosage

Answer 253

The difference between the total chlorine added to the water and the chlorine residual

Answer 254

The amount of chlorine injected into water

Answer 255

Yoke clamp

Answer 256

Fusible plug

Answer 257

Hypochlorite concentration

Answer 258

Measure of hydrogen ion activity

Answer 259

Hydrogen peroxide concentration

Answer 260

Phosphorus and hydrogen concentration

Answer 261

Nutating disk

Answer 262

Positive displacement meter

Answer 263

Suspended solids

Answer 264

Problem with connecting with pipes of different metals

Answer 265

tuberculation issues

Answer 266

Turbulence issues

Answer 267

Corrosion risks

Answer 268

Top of the hydrant

Answer 269

On the lateral

Answer 270

within 2 feet of the hydrant

Answer 271

Bottom of the hydrant with 2 drain holes

Answer 272

540 pounds

Answer 273

2543 pounds

Answer 274

3340 pounds

Answer 275

4860 pounds

Answer 276

Competent Person

Answer 277

Employee in the trench

Answer 278

Water Engineer

Answer 279

City Official

Answer 280

Safe to dig here

Answer 281

Sewer lines near here

Answer 282

5 feet from the safety of a ladder insertion point

Answer 283

Treated water line near here

Answer 284

To provide maximum flow

Answer 285

To flush the operating nut

Answer 286

To provide access to the drain holes

Answer 287

To test pH at the next hydrant

Answer 288

Open the hydrant adjacent in the service line

Answer 289

Connect a potentiomenter

Answer 290

DPD tester

Answer 291

Step down test

Answer 292

With an injector

Answer 293

Wiggle the cylinder

Answer 294

With a pressure guage

Answer 295

Water line beneath ground

Answer 296

Telecommunications line beneath ground

Answer 297

Gas line beneath ground

Answer 298

Excavation area

Answer 299

Pressure reading before water flows.

Answer 300

Measurement obtained by a pitot guage on the top of the hydrant

Answer 301

Pressure reading while water is flowing (from an outlet other than the flow outlet.)

Answer 302

Pressure remaining after all valves have been closed for 60 seconds or more

Answer 303

Slug Method

Answer 304

Tablet Method

Answer 305

Pigging Method

Answer 306

Fill Method

Answer 307

Galvanized pipe connected to pvc pipe

Answer 308

Copper connected to lead pipe

Answer 309

Pvc pipe connected to a pump

Answer 310

Galvanized pipe with high pH water

Answer 311

Calcium Hypychlorite

Answer 312

Sodium Hypochlorite

Answer 313

Sodium Thiosulfate

Answer 314

Chloramine

Answer 315

Sodium thiosulfate

Answer 316

calcium aerobic

Answer 317

ascorbic acid

Answer 318

sulfur dioxide

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Distribution 2 Quiz 3

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