What causes water hammer Study guides, Class notes & Summaries

Cross Connection - Answer-Is simply a point on a water system where a polluting substance may come in contact with potable water. Backflow are required in - Answer-Every cross connection has a potential to pollute the potable water supply What are the two forms of backflow - Answer-- back pressure - back siphonage Back Pressure (Irrigation side) - Answer-This type of backflow occurs when the pressure from the irrigation system is greater than the pressure from the water supply. What caus...

Water Distribution Test 2 Questions and Answer What does a C value of 140 means for a pipe? - ANSWER The pipe interior is very smooth. Which primary contaminant causes Blue Baby Syndrome? - ANSWER Nitrate. What is a nutating disc? - ANSWER Type of a water meter for a small-diameter domestic service. What causes hardness in water? - ANSWER Magnesium and calcium. Which of the following is a confined aquifer with groundwater under positive pressure? - ANSWER Artesian. ____________ i...

ccording to the Safe Drinking Water Act the basic definition of a public water supply system is any water system that supplies water for human consumption that serves: 15 service connection or over 25 persons for over 60 days a year What federal law regulates public water supplies? Safe Drinking Water Act What cause water to move through pores in soil and rocks ? Gravity What are disease producing bacteria called? Pathogenic A presence/absence coliform test utiliz...

The Plumbing Inspection: AHIT Questions with Accurate Answers 2024 Which of the following does NOT have to be inspected during the plumbing inspection? A. fire and lawn sprinkler systems B. fixtures and faucets C. water heating equipment D. supply and drain, waste, and vent (DWV) piping A. fire and lawn sprinkler systems Which action IS required by most standards of practice during the plumbing inspection? A. required to operate automatic safety controls B. required to observe...

Study Guide Questions (LA Steam Engineer License Exam) Rated A+ What are the precautions to be observed when starting any boiler that has been closed dow overnight? Are there any special precautions required starting a gas burning boiler? Make a physical observation of the boiler and its systems, walk around the boilerto check for any abnormal conditions such as flammable material at the dampers, fuel leaks,damaged electrical conduits, etc. Check all boiler systems (feedwater, fuel, etc)...

Practice Certification Exam for Water Treatment operation Actual exam Investigate immediately. If a consumer complains about the drinking water characteristics, the operator should record the complaint and Operating ratio What term is used when a water utility divides its total operating expenses into the total revenue? Daily How often should operating data, such as flow rate, amount of water treated, dosage of chemical, and reservoir levels be recorded? Document that safe dri...

HIGH PRESSURE EXAM QUESTIONS AND ANSWERS LIQUIDS IN A TANK CAN BE MEASURED FROM A DIFFERENT LOCATION WITH WHAT DEVICE? - Answer-PNEUMERCATOR WHAT 2 ELEMENTS IN FUEL OIL PRODUCE MOST OF ITS HEAT? - Answer-CARBON AND HYDROGEN A 100 PSI BOILER HAS A DRY SATURATED STEAM TEMPERATURE? - Answer-338F A 2 INCH BOILER TUBE HAS A WALL THICKNESS OF 3/16 INCH. WHAT IS ITS INSIDE DIAMETER? - Answer-1 5/8" FAILURE OF WHAT DEVICE CAUSES A FURNACE EXPLOSION? - Answer-FAN FAILURE OR PURGE FAILURE ...

IFSTA 7 - Chapter 13 - Hose Operations and Hose Streams Exam Questions And Answers 100% Solved Which type of nozzle has a straight, smooth tip and produces a solid stream of water? Select one: a.Straight stream nozzle b.Cellar nozzle c.Smooth bore nozzle d.Fog nozzle c. Smooth bore nozzle What is one advantage of the minuteman load? Select one: a.It puts less weight on the shoulders of the firefighters carrying the hose. b.It requires the use of an adapter or reducer. c.The hose do...

HIGH PRESSURE EXAM QUESTIONS AND ANSWERS LIQUIDS IN A TANK CAN BE MEASURED FROM A DIFFERENT LOCATION WITH WHAT DEVICE? - Answer-PNEUMERCATOR WHAT 2 ELEMENTS IN FUEL OIL PRODUCE MOST OF ITS HEAT? - AnswerCARBON AND HYDROGEN A 100 PSI BOILER HAS A DRY SATURATED STEAM TEMPERATURE? - Answer338F A 2 INCH BOILER TUBE HAS A WALL THICKNESS OF 3/16 INCH. WHAT IS ITS INSIDE DIAMETER? - Answer-1 5/8" FAILURE OF WHAT DEVICE CAUSES A FURNACE EXPLOSION? - Answer-FAN FAILURE OR PURGE FAILURE WHAT...