Ifsta Driver Operator Questions And Answers (2023/2024) (Verified Answers)

HOW DOES THE ELECTRONIC GOVERNOR PROTECT THE ENGINE FROM CAVATATION {Ans: RETURNING THE ENGINE TO IDLE WHEN INTAKE PRESSURE DROPS BELOW 30 PSI}PRIMARY FEEDERS {Ans: The largest-diameter pipes in a water distribution system, carrying the greatest amounts of water.}AMMETERS FUNCTION {Ans: STATUS OF THE VEHICLES ALTERNATOR AND CHARGING SYSTEM}VOLUTE {Ans: WATER PASSAGE OF GRADUALLY INCREASING SIZE AS IT NEARS THE DISCHARGE}RESIDUAL PRESSURE {Ans: The portion of total available pressure not used to overcome friction loss or gravity while forcing water through pipes, fittings, hoses and adapters}WHEN A RELAY PUMPING IS COMPLETE WHICH ENGINE SHOULD SHUT DOWN FIRST {Ans: ATTACK ENGINE AT THE SCENE}TWO TYPES OF CENTRIFUGAL PUMPS {Ans: MULTI AND SINGLE STAGE}TWO COMMON INDICATOR VALVES {Ans: PIV OS&Y}HOW MANY SHAFTS AND DRIVE TRAINS PER IMPELLER {Ans: ONE}HOW MUCH WATER SHOULD BE SURROUNDING THE STRAINER IN A DRAFTING OPERATION {Ans: 2 FT IN ALL DIRECTIONS}VOLTMETERS FUNCTION {Ans: BATTERY CONDITION}PRIMARY FUNCTION OF THE AN AUXILLARY COOLER {Ans: CONTROL TEMPERATURE OF THE COOLANT IN THE ENGINE THAT POWERS THE FIRE PUMP}PUMPING IN VOLUME {Ans: EACH OF THE IMPELLERS ARE TAKING WATER FROM THE SOURCE ANS DELIVERS IT TO THE DISCHARGE}EXHAUST