MWS STUDY GUIDE questions with complete solutions

You're stationed in Alaska in December. You've just come back to find that your stall door isn't working and cannot be fixed until the next day. To prevent damage from freezing you should : correct answer: Drain rage piping, pump, and booster lines to prevent damage Identify three pieces of equipment needed to conduct service testing on a MWS equipped with a fire pump correct answer: Tachometer Smooth bore tips External test gauges Priming test checks for correct answer: Evaluates how quickly a device can create the necessary vacuum to bring water through a pump to the discharge hose Discharge pressure gauge test checks for correct answer: Checks the accuracy of discharge readings obtained when pump is in operation Pressure control test checks for correct answer: Measures ability of pressure control devices to maintain certain discharge pressures Pumping test checks for correct answer: Checks overall condition of the pump and engine Tank to pump test checks for correct answer: Checks whether the piping between an MWS water tank and fire pump meet NFPA 1901'S standards Vacuum test checks for correct answer: Checks for leaks in different devices Engine speed test checks for correct answer: Checks the rate of the engine speed When performing the vacuum service test, once the engine is turned off, the column of mercury should fall no more than: correct answer: 10 inches in 5 minutes Identify three items that are checked for leaks during the vacuum test correct answer: Priming device Pump Hard suction hose When testing the priming device on an MWS with a pump with a capacity less than 1500 gpm, the priming device should be able to create the vacuum needed in 30 seconds to lift water 10ft through: correct answer: 20 feet of hard suction When maintain MWS records, you should : correct answer: Refer to your departments standard operating procedures for specific guidance