Pumping Apparatus Driver Operator Questions and Answers

Pumping Apparatus Driver Operator Questions and Answers At what speed will the siren not be heard 50MPH Which NFPA specifies the number of exercises candidates should pass NFPA 1002 How do you minimize kinks in the hose Apply two full twist Water expands at 1,700 times 1 square inch column of water will exert 1 foot high of how much pressure .434 psi What is the term for the height of the water supply above the discharge orifice Head Pressure What is considered stored potential energy available to force water Static Pressure These all have an affect on friction loss Hose Length, Kinks, Diameter, Centrifugal Pumps consist of these two Impeller & Casing What does the pressure governor control via the throttle Pressure What does auxiliary coolers control The temperature of coolant during pumping What occurs when water is being pumped faster then it's entering Cavitation While drafting, what is the minimum feet of water that should be all around 2 Feet FDC should have a minimum of two ______ connections 2.5 Inch For every 50 sprinklers there should be one __________ pumper 1,000 GPM Drafting is also known as "raising water from a ________ source Static What is the calculations for square pools LxWxDx7.5 What is the calculations for round pools 3.14xr2xDx7.5 How many pumpers are needed to relay 1,000 GPM with a 5 inch line 1 mile away 4 Pumpers Water tenders carry a minimum of how many gallons 1,000 Gallons