Engine Ops Flashcards
What should be carried in the stand pipe bag?
2 1/2" controlling nozzle w 1 1/8" MST 1 1/2" x 2 1/2" increaser in line pressure gauge pipe wrench (min 18") spanners chocks adapters hand control wheel (optional, Not supplied by dept)
psi at the standpipe for for 3 lengths?
psi for 4 lengths?
70 psi
80 psi
What should the pump discharge pressure be initially for an engine supplying a sprinkler system?
it should start at 150 psi.
adjusted accordingly based on ladder company reports of sprinkler performance
What does a white line under the number on the barrel of a hydrant indicate?
dead end main
Which hydrant provides more water, smith or dresser?
how much more?
dresser, 10%-15% more
What does a blue disc on a siamese mean?
System is not functioning as fully automatic system, and/ or a portion of the system is such that it will operate effectively when supplied.
How many turns to open a yellow highway hydrant?
18 turns. clockwise
maximum operating pressure for regular engine company hose? 1 3/4” 2 1/2” 3 1/2”
250 PSI
Max operating pressure for High Pressure hose?
600 PSI
How many lengths of 2 1/2” hose can go from the pumper to the hose test gauge?
Max of 2
How many lengths of hose can be attached to the 2 1/2” gated outlets of the hose testing manifold during hose testing?
6 lengths (300ft)
Where should 1 member be positioned near the manifold during hose testing?
To the left side of the manifold, 15 feet from the hose
During hose testing ___ psi shall be maintained for ___ minutes and then gradually reduced to hydrant pressure
250 psi
5 mins
Pump discharge pressure for supplying a sprinkler system should start at ___ psi
150psi
A large caliber stream (also called a “master stream” ) is any fire stream with a flow of ___ gpm or more
300 gpm
