Jon Hall shows the effectiveness of hydraulically ventilating a smoke-filled room with both smooth bore and fog nozzles.
Latest in the Series
In the final part of this 4-ep. segment, take & make sense of all the data gathered during flow testing.
In the third part of this 4-ep. segment, learn the difference in a pitot gauge and an inline pressure gauge, and when to use each.
In the second of this 4-ep. segment, find out what pressure readings to get and how to determine friction loss in your attack package.