Driver Operator Mobile Water Supply Questions and Answers Already Passed

Driver Operator Mobile Water Supply Questions and Answers Already Passed What is the primary responsibility of a driver/operator during water shuttle operations? Deliver water safely and efficiently to the fire scene. How should a tanker be positioned for safe and effective water discharge? As close as possible to the drop tank with a clear exit route. What is the purpose of baffles in a water tank? To reduce water movement and maintain vehicle stability. How should the apparatus be secured when parked on an incline? Engage the parking brake and use wheel chocks. What is the first step before initiating drafting operations? Ensure all hoses and connections are securely attached and free of leaks. 2 How can turbulence in a portable tank be minimized? Direct water into the tank using diffusers or gently flow water into the corner. What should be done if a pump overheats during prolonged operations? Reduce the workload or circulate water through the pump to cool it down. What is the function of a dump valve on a tanker? To quickly release water into a portable tank at the fire scene. How can cavitation be avoided during drafting operations? Ensure the intake strainer is fully submerged and there are no air leaks. What should be checked if the pump fails to draft water? Inspect for air leaks, clogs, or improper priming. What is the recommended way to prevent water hammer during operations? Open and close valves slowly and smoothly. 3 What is a critical step when switching from drafting to tank operations? Verify the intake valve is closed before transitioning to prevent air from entering the pump. How should portable tanks be set up to maximize water availability? Position multiple tanks in a series or connect them with jet siphons. What is the purpose of a vent on the water tank? To allow air to escape and prevent pressure build-up during filling and draining. What should be done immediately after completing water supply operations? Flush and clean the pump and hoses, then inspect for any damage. How should the apparatus approach a fill site? At a controlled speed with clear communication to personnel at the site. What is the role of a fill site manager during water supply operations? To coordinate tanker filling and maintain efficiency at the site. 4 What safety measure should be taken when filling the tank from a pressurized source? Monitor the flow rate to prevent overfilling or excessive pressure. How can sediment build-up in the water tank be minimized? Flush the tank after use, especially when drafting from natural water sources. What is the purpose of a thermal relief valve in a pump