DO – Pumper| 151 questions| answers

How should you wash a new truck? How long? correct answer: With cold water for first 6 months How often should you change tires? correct answer: 7 Years What is the minimum requirement for pump/tank capability on pumpers? correct answer: 750 gpm / 300 gallons What is a sequencer? correct answer: Load management system that turns off lights in order What is a Monitor? correct answer: Will shut down less important electrical to avoid failure What should you look at when beginning a truck inspection? correct answer: Terrain, body damage What is GVWR? correct answer: Max weight to safely operate How far should you travel behind emergency vehicles? correct answer: 300-500 ft Where should a fire apparatus drive to if arriving on a scene with no fire showing? correct answer: Past the incident What is normal operating pressure? correct answer: water during normal consumption Why should you avoid dead end hydrants? correct answer: Increased sediment and only one flow from mains What are the pressures for smooth, fog, and master nozzles? correct answer: 50, 100, 85 What positive displacement pump consists of 2 gears? correct answer: rotary gear pump What pump has moveable elements that compensate? correct answer: Rotary vane pump What is the pressure used for a hydrostatic pressure test? correct answer: 500 psi When should you chock wheels? correct answer: every time you exit vehicle What should you keep your master intake over? correct answer: 20 psi What is reverse and forward lay? correct answer: reverse - fire to water; forward - water to fire What apparatus should be at water supply in relay pumping? correct answer: largest pumping apparatus