reg4 fire pump practice questions and answers (100% pass)

reg4 fire pump practice questions and answers (100% pass) batteries attempt to start cycle test - Answer️️ -3min test , 6 consecutive cycles of 15sec of cranking and 15 sec of rest pump and jockey Sensing line shall have no - Answer️️ -shut off valve pump and jockey Sensing line shall have 2 3/32nd check valves or unions at least how far apart? - Answer️️ -5feet pump and jockey Sensing line have small orfice checks for what purpose? - Answer️️ -dampening a pressure gauge having a dial not less than ________ in. in diameter and with a nominal size of _________ shall be connected near the discharge casting and the suction piping - Answer️️ -3.5 in dial and .25 nominal or 1/4in the discharge gauge shall indicate pressure to at least ________ the rated working pressure of the pump but not less than ________ psi - Answer️️ - twice / 200 the suction gauge shall have a pressure range of ________ the rated max suction pressure of the pump - Answer️️ -2 times ©SOPHIABENNETT@ Saturday, August 24, 2024 8:52 AM 2 where the minimum pump suction pressure is below ______ psi under any flow condition, the suction gauge shall be a ______ _______ ______ ________ - Answer️️ -20/ compound pressure vacuum gauge if the pump is equipped with a bypass the piping shall be what size - Answer️️ -at least as large as the pipe size required for the discharge pipe as specified in table 4.27 no control valve other than a listed os&y gate valve shall be installed in the suction pipe within _____ft of the _______ _______ - Answer️️ -50 / suction flange maximum number of fire pumps in series - Answer️️ -three if the pump is equipped with a pressure relief valve no _______ valve is allowed - Answer️️ -shutoff how many test header hose valves for a 2000 gpm pump - Answer️️ -six where pumps are in series a butterfly valve shall ______ installed between pumps - Answer️️ -not elbows and tees with a centerline plane parallel to a horizontal split-case pump shaft shall not be permitted in the suction piping unless - Answer️️ -the distance between the pump suction flange and elbow or tee flange is greater the 10 times the suction pipe diameter each pump supplying suction pressure to another pump shall be arranged to start within? - Answer️️ -10 sec before the pump it supplies ©SOPHIABENNETT@ Saturday, August 24, 2024 8:52 AM 3 if water requirements call for more than one pump to operate at a time , the pumps shall start at intervals of ? - Answer️️ -5 to 10 seconds where the suction pipe and pump suction flange are not of the same size ,they shall be connected with a ? - Answer️️ -eccentric tappered reducer or increaser installed in such a way as to avoid air pockets where the max flow available from a water supply cannot provide a flow of 150 percent of the rated flow for the pump but can provide the greater of 100 percent of rated flow or max flow demand of fire system the water supply shall be deemed? - Answer️️ -adequate. in th