Fire Service Pump Operator State test Questions and Answers

Fire Service Pump Operator State test Questions and Answers One gallon of water weighs? - answer️️ -8.35 lbs How many cubic inches in a gallon of water - answer️️ -231 cubic inches How much does a cubic foot of water weigh? - answer️️ -62.5 lbs How many gallons of water in a cubic foot? - answer️️ -7.481 gallons How many inches in a cubic foot? - answer️️ -1728 cubic inches How much pressure does a column of water one foot high exert at it's base - answer️️ -.434 psi How many inches of mercury is equal to 13.55 inches of water? - answer️️ -one One psi of pressure will raise a column of whater how many feet? - answer️️ -2.304 ft What is the symbol for mercury - answer️️ -hg What is reliable lift - answer️️ -14.7 feet ( the height of a column of water that may be lifted in sufficient quantity to provide a reliable fire flow) Theoretical lift is - answer️️ -33.87 ft ©SOPHIABENNETT@ Saturday, August 24, 2024 8:52 AM 2 What should pumpers flow at? - answer️️ -100% capacity @ 150 psi, 70% @ 200 psi, and 50 % @ 250 psi Pumper capacity at draft are set at? - answer️️ -with 10 ft of lift through 20 ft of hard suction Relay pumper evolutions should be shut down at - answer️️ -the on scene pumper first Largest capacity pumper during relay should be? - answer️️ -the source pumper Elevating water devices typically range in height ? - answer️️ -from 50-75 ft Industrial foam pumpers are built according to ? - answer️️ -nfpa 11 c and 1901 ( test answer is both 11 c and 1901) What is nfpa 1901 - answer️️ -standard for automotive fire apparatus Equipment failures can be prevented by performing? - answer️️ -routine maintinance checks on a regular basis What is not part of the daily apparatus inspection? - answer️️ -exercising the volume series control lever Apparatus with water tanks of 1000 gal. Or less - answer️️ -must have a tank fill line of at least 1 inch ©SOPHIABENNETT@ Saturday, August 24, 2024 8:52 AM 3 Apparatus with tanks of more than 1000 gal. - answer️️ -must have 2 inch tank fill line What does pto drive limit pump capacity to? - answer️️ -500 gpm Minimum pump capacity for pump design is - answer️️ -750 gpm A rear pump is _________ for driver? - answer️️ -less safe Where should apparatus protecting structures during wild land fires be parked ? - answer️️ -off the roadways New apparatus must be able to come to a complete stop from a speed of - answer️️ -20 mph in a distance of 35ft The first element in learning to drive safely? - answer️️ -safety conscious attitude Atmospheric pressures decreases? - answer️️ -.5psi per 1000ft of elevation Priming 30 seconds for - answer️️ -1250 gpm pumps Priming 45 seconds for - answer️️ -1500 gpm pumps Standpipes and sprinklers don't exceed 200 psi - answer️️ -when supplying the fdc Sprinklers/standpipe systems are tested - answer️️ -225 psi ©SOPHIABENNETT@ Saturday, August 24, 2024 8:52 AM 4 Raise pressure in a standpipe/sprinkler system - answer️️ -in 25 psi increments (remember you must increase pressure at 25 psi increments so the answer will be 25 psi more than original question states the pressure is) Older systems - answer️️ -do not exceed 175 psi engine pressure when supplying fdc Pressure governor - answer️️ -controls engine speed when it senses excess pressure Centrifugal pumps - answer️️ -have no positive blockage between the intake and discharge sides Apparatus with front and rear intake - answer️️ -should be angled towards the curb 45 degrees or less When operating from a hydrant with 2 1/2 or 3 " supply lines - answer️️ - lines should be no longer than 300' Responding apparatus must stop for loading or unloading school bus - answer️️ -question is a true or false about what a driver of an apparatus should do to obey driving laws Apparatus with a large compliment of ground ladders but no areal devis - answer️️ -a quad Inverters provide - answer️️ -1500 watts Vehicle mounted generators provide - answer️️ -up to 50,000 watts ©SOPHIABENNETT@ Saturday, August 24, 2024 8:52 AM 5 A midi pumper chassis weighs? - answer️️ -12,000 lbs How much should a pumper be able to flow with a capacity of 500 gpm or less - answer️️ -250 gpm from the booster hose Best location for command - answer️️ -corner of the building How many discharges for a 750 gpm pumper - answer️️ -must have at least two 2 1/2 inch discharges Steering wheel play should be no more than - answer️️ -ten degrees What is the most common type of pumper? - answer️️ -midship centrifugal pump or midship pump Driver operator responsibilites are dictated by the - answer️️ -sog's or sop's Volute - answer️️ -section of the pump which gradually increases in cross sectional dimensions as it nears the pump discharge Head pressure is? - answer️️ -back pressure due to elevation What should the fd do if an exposed building has a sprinkler system - answer️️ -they should connect and charge the system Portable generators supply - answer️️ -50,000 watts Air horns will not work if the air pressure drops below? - answer️️