MWS 81 questions with complete solutions

Identify two correct statement about conducting a daily inspection of a MWS apparatus equipped with a fire pump correct answer: Confirm that the foam tank level is full Operate the pump drive control The purpose of the priming device test is to correct answer: Evaluate how quickly the priming device can create a vacuum to bring water through a pump to the discharge hose During a pre-service hydrostatic test, each pump is hydrostatically tested at a minimum of correct answer: 500 psi over the pump designed maximum operating pressure for 10 minutes Identify two items that should be included on the daily MWS apparatus records correct answer: Coolant levels tire condition The total stopping distance is correct answer: The sum of the driver operator reaction distance and the MWS apparatuses braking distance When driving through intersections requiring a stop, you must perform all of the following steps except correct answer: Turn on the flashers to indicate you are crossing Identify the four steps for passing through a straight section of a road or highway correct answer: Check for oncoming traffic check the side and rear view mirrors maintain apparatus speed check the side street or roads You should never back and MWS Apparatus correct answer: If you don't have at least one spotter Since salt water or water containing certain chemicals can corrode the apparatus pump, you should correct answer: Flush the pump with fresh water after using it The best type of strainer to use in a shallow stream is a correct answer: Floating strainer Match each type of pressure with its correct description correct answer: Head pressure - pressure caused by the height of a water supply above the discharge point Static pressure - available pressure at a discharge point without water flowing Flow pressure - The forward velocity of water at the discharge point Residual pressure - water pressure in a distribution system that is still available when a hydrant is flowing Normal operating pressure - water pressure in a distribution system during regular consumption The best definition of water pressure is the correct answer: Force of water per unit area