Dry barrel hydrants - Study guides, Class notes & Summaries

Water is most dense at A. 212 DegF B. Boiling C. Freezing D. 4 DegC D The three types of main valves on dry-barrel hydrants are A. Standard compression, non-standard, and toggle B. Standard compression, Corey, and wave action C. Standard compression, Corey, and Toggle D. Standard compression, slide gate, and Toggle D A double-check-valve backflow preventer is designed similarly to a a reduced-pressure-zone backflow preventer (RPZBP) except, A. There isn't a check ...

Ammonia mixed with chlorine gas creates a white smoke The most difficult part of a water distribution operator's job. furnish a continuous supply Physical connection between a safe and potentially unsafe water source. cross connection A distribution system is a looped system Dead end mains should be flushed every month Excess nitrate causes a condition called blue baby syndrome Water hardness is caused by calcium and magnesium Sewer mains should be __ft away from water mains. 9 Class C ...

Befo Final Guaranteed Questions And Answers Graded To Score A+ Which of the following terms is used to refer to the process that generates sufficient quantities of burnable vapors to ignite in the presence of oxidizer A- paralysis B-fire coil C- vapor pressure D-flashpoint - Correct Answer-D What type of reaction releases energy in the form of sometimes light A- Kinetic B- endothermic C- potential D- exothermic - Correct Answer-D What product of combustion causes The most fire death...

Which of the following terms is used to refer to the process that generates sufficient quantities of burnable vapors to ignite in the presence of oxidizer A- paralysis B-fire coil C- vapor pressure D-flashpoint - correct answer D What type of reaction releases energy in the form of sometimes light A- Kinetic B- endothermic C- potential D- exothermic - correct answer D What product of combustion causes The most fire deaths A- carbon dioxide B- toxic smoke C- thermal energy ...

Water Distribution 2 California Practice test Exam The Difference between the static ground water level and the pumping level is the - CORRECT ANSWER-drawdown A customer complaint about the presence of brown floc in tap water can best be handled by - CORRECT ANSWER-investigating the problem as soon as possible The term "aquifer" relates to which one of the following ? - CORRECT ANSWERgroundwater One indication of corrosive water is a high concentration of - CORRECT ANSWERCarbon diox...

Jones and Bartlett Chapter 14 water supply: Questions and answers, VERIFIED/ A pitot gauge is used to calculate? - Volume of flowing water The pipes that deliver water from the treatment facility for distribution are? - Mains What is the minimum recommended pressure for water coming from a fire hydrant? - 20 psi The pipes that deliver water to users and hydrants on individual streets are? - distributors Which pipe pattern supplies water to hydrants from more than one direction? - grid ...

When using a rotary saw, start all cuts at rpm to prevent blades from binding into the material. - Answer maximum is an example of a common prying tool. - Answer halligan An swinging door is indicated by the hinges being visible. - Answer outward is an example of a pulling tool. - Answer sheetrock rake The and the are commonly paired together as "irons". - Answer halligan Flat head axe When breaking glass, stand , use the side of the tool and strike the of the pane. - Answer up-...

BEFO Take Home Evaluation 2 A Test Questions with Correct Answers What type of portable fire extinguisher is discharged in the form of gas and works on Class B and Class C fires? - Answer-Carbon dioxide (CO2) The P in the PASS acronym stands for: - Answer-pull pin by breaking wire or seal. Which of the following types of rope is only used in situations not involving life safety? - Answer-Utility rope In a kernmantle rope, the _____ protects the core from abrasion. - Answer-Sheath ...

Water Distribution 4 better- Questions and Answers 100% Correct Water Distribution 4 better- Questions and Answers 100% Correct Water Distribution 4 better- Questions and Answers 100% Correct Water Distribution 4 better- Questions and Answers 100% Correct How are valves checked to determine that they are holding properly? - ANSWER-by a pressure test Who is ultimately responsible for being sure that your agency has a good record keeping system? - ANSWER-Supervisor Which type of pi...

Who is ultimately responsible for being sure that your agency has a good record keeping system? - ANSWER-Supervisor Which type of pipe is most likely to be damaged by corrosion? - ANSWER-Steel What is the most important and all inclusive aspect of supervision? - ANSWER-proper utilization of all resources The maxium flow to be expected through a standard 5/8 x 3/4 meter is ____ gpm. - ANSWER-20 gpm What does not materially affect the friction loss in a given length of pipe? - ANSWER-h...