ANSWERS
"Q" in the formula FL = C Qs L represents: correct answer Flow rate.
A hose has a flat rate of 500 gallons per minute with a friction loss of four psi. If
the flow rate increases to 1000 gallons per minute, then the friction loss will
increase to: correct answer 16 PSI.
A major advantage of a positive displacement pump over a centrifugal pump is
that it can correct answer Pump air, making it self-priming.
A major advantage of large diameter hose is their: correct answer Use a supply
lines.
A major advantage of medium diameter hose is their: correct answer Flexibility
for use as an attack, relay or supply line
A priming device works by: correct answer creating a partial vacuum.
A single portable water tank works on fires that require. correct answer Relatively
low overall flow rates (less than 300 gpm).
According to NFPA 1901, a discharge pressure relief valve must operate within:
correct answer 10 seconds after discharge pressure rises 30 psi above the set
level.
,According to NFPA 1901, a discharge pressure relief valve must operate within:
correct answer 10 seconds after discharge pressure rises 30 psi. above the set
level.
All of the following are important reasons for maintaining inspection
documentation on MWS apparatus except: correct answer Verifying that you're
inspecting the correct apparatus.
All of the following are potential water sources for an apparatus fire pump
EXCEPT: correct answer A municipal storm drain.
All of the following factors must be included when determining the total pressure
loss (TPL) except: correct answer Pump pressure loss.
All of the following statements about approaching an intersection are true except:
correct answer True- you should always drive at a speed where you can come to a
stop, if necessary, even if it slows you down.
True- you should make eye contact with other drivers to make sure that they see
you.
False- you should run a stop sign to save time if you can see that there is no other
traffic.
True- you should stop at all red traffic signal is even if you lose time.
All of the following statements about parking and MWS apparatus near a railroad
track are true except: correct answer True-do not park directly on the tracks
, True-park far enough away from the railroad crossings though you do not block
traffic.
True-never park close enough to the tracks that an MWS apparatus could be
struck by a passing train.
False-Park on the opposite side of the tracks as the incident.
All of the following statements about static water sources are true except. correct
answer The static water source closest to the incident should always be used first.
All of the following statements are true for driving MWS apparatus except:
correct answer False- do not pull around an obstacle in MWS apparatus and less
you have a spotter.
Allowing and MWS apparatus engine to idle over an extended period of time can
lead to all of the following except: correct answer Engine fatigue.
An important feature of most screw-on intake pressure relief valves is that they:
correct answer Have bleeder valves to vent air when I connected line is being
charged.
And MWS apparatus may have a steering system problems if the steering wheel
can be rotated without moving the front tires more than: correct answer 10°