Mobile Water Supply Apparatus Questions and Answers with complete solution

When tankers are equipped with large diameter gated intakes, what is required? - ️️Slow operating valves with air bleeders and intake relief valves NFPA 1901 requires what on mobile water supply apparatus? - ️️A min. 2 inch tank fill line and two preconnected hose line discharges. A fully-rated fire pump is ___________________________ by NFPA 1901 on mobile water supply apparatuses. - ️️Not required This apparatus is required to have what? - ️️A pump, but not necessarily a fire pump as defined on other vehicles. A large percentage of mobile water supply apparatuses are built on ____________________, but there are substantial amounts built on ________________ as well. - ️️Commercial-style chassis, custom chassis Why are tankers prone to rollovers? - ️️They have a tendency to be heavy, large vehicles w/ a high center of gravity. When axle loading becomes questionable, what should happen? - ️️The purchaser should either consider adding axles or reducing the water tank capacity. As much consideration should be given to ___________________ and ______________________ as is given to power or horsepower. - ️️Braking and retarding the speed of the vehicle How does NFPA 1901 define a mobile water supply apparatus? - ️️A vehicle designed primarily for transporting water to fire emergency scenes to be applied by other vehicles or pumping equipment. What size water tank do some manufacturers recommend not exceeding if the chassis has a fully-rated fire pump? - ️️1250-gallon water tank What style fire pump might create the better weight-balanced vehicle? - ️️A frontmount style fire pumpAn external fill line capable of filling the water tank at _______________ is required along w/ the capability to dump water to the _______, __________, and ____________. - ️️- 1000 gpm minimum -left, right, and rear The dump valves must be capable of dumping what percentage of the tank at what gpm? - ️️- 90% - 1000 gpm or greater