One characteristic of discharge pressure relief valves is they Correct-Are slow to close after
being opened
According to NFPA 1901, a discharge pressure relief valve must operate within Correct-10
seconds after discharge pressure rises 30 psi above the set level
When controlling pump valves, push-pull handles Correct-Can accurately control line
pressure and be locked into place.
Place the step for pumping from an MWS apparatus internal tank to an attack apparatus or a
nurse tanker once the MWS apparatus has been positioned in the correct order Correct-
Deploy and connect the supply line
make the pump operational
open the tank to pump valve
prime the pump, if necessary
open the discharge valve slowly
Set the throttle to the required engine pressure
set the pressure relief valve or the governor
, MWS Exam-Questions & Answers
monitor gauges associated with pump operation and make decisions based on your
departments SOP's and experience
Fill site pumpers should have a minimum pump capacity of Correct-1000 GPM
The best fill and dump sites are those in which Correct-The MWS apparatus driver
operator can drive straight in from one direction, fill or dump, and then proceed straight out
the other end at both sites
As operations proceed during water shuttles, make and break personnel at the fill site should
monitor Correct-Ground conditions
At a fill site, a cone or similar device is used to Correct-Mark the stopping point for an
MWS apparatus
The most efficient water shuttle dump site locations contain the water using Correct-
Portable water tanks
, MWS Exam-Questions & Answers
The basic goal of a multiple portable water tank operation is to keep Correct-The tank
being drafted from full at all times
All of the following are methods of water discharge used at a dumpsite except Correct-
Draining
Identify two correct statement about conducting a daily inspection of a MWS apparatus
equipped with a fire pump Correct-Confirm that the foam tank level is full Operate the
pump drive control
The purpose of the priming device test is to Correct-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-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-
Coolant levels
tire condition