Driver Operator Study State Questions
.434 psi - ANS-A 1 foot high column of water exerts how lots psi at it's base?
.Five PSI - ANS-Atmospheric pressure decreases ______ psi according to one thousand feet of
elevation.
(Q-15) x 2= P (discharge strain) - ANS-What is the Formula for finding the discharge strain at
every sprinkler head?
Zero psi - ANS-What is the friction loss for home equipment with flows of less than 350 psi?
1 inch - ANS-Apparatus with water tanks of 1000 gallons or less should have a tank fill line of as
a minimum what number of inches?
1,500 gallons - ANS-What is the maximum tank capability, in gallons, for a single rear axle fire
unit?
1,728 cubic inches - ANS-How many cubic inches are there in 1 cubic foot?
1.5 x D squared x NP= NR (nozzle reaction) - ANS-What is the Formula for locating nozzle
response?
1.8 x D squared x EP= INR (preliminary nozzle reaction) - ANS-What is the Formula for locating
preliminary nozzle response?
1/2 GPM= NR (nozzle response) - ANS-What is the Rule of Thumb components for locating
nozzle reaction?
1/2 P + 15= Q (gpm)
Multiply the answer x the range of heads x the mins flowing to get the entire flow. - ANS-What is
the Formula for locating the gpm (Q) of one sprinkler head?
10 - 15 mph - ANS-Most speedometers examine what mph, whilst the engine is idling and the
pump is in equipment?
10 - 50 feet - ANS-Intake hose for hydrant connection is typically how long?
10 % - ANS-Steering wheel play have to be no extra than what number?
10 feet of elevate
, 20 ft of hard suction - ANS-Pumper capacities are set at draft with how many toes of carry? And
through how many toes of tough suction?
10 inches
five mins - ANS-When checking for air leaks, no extra than what number of inches of vacuum
need to be lost in how many minutes?
10 psi - ANS-Gauges must be calibrated, repaired, or changed while off with the aid of how
many psi?
10 psi - ANS-How lots psi of friction loss needs to be brought for every additional a hundred ft of
hose used to deliver an FDC?
10 psi - ANS-What is the friction loss for appliances with flows of greater than 350 psi?
10% - ANS-Flow meters must now not be off by means of greater than what number?
100 tiers F - ANS-Air temperature must no longer be above what stages for the duration of
apparatus trying out?
A hundred psi - ANS-What nozzle stress are all fog nozzles?
A thousand - 1200 RPM - ANS-What are RPM's while drafting?
1000 ft per minute - ANS-At how many feet in keeping with minute does water go with the flow
through hose strains?
12,000 kilos - ANS-How a whole lot does a midi-pumper weigh?
13.55 inches - ANS-1 inch of mercury is same to what number of inches of water?
14.7 toes - ANS-How many toes is reliable carry?
15 x 1.133= 16.9 toes - ANS-If Intake gauge suggests 15 mmg, how lots raise do you have?
150 psi - ANS-Pumpers need to waft how many psi at a hundred% ability?
One hundred fifty psi - ANS-What is the discharge strain for an FDC.
1500 watts - ANS-How many watts do inverters generally offer?
One hundred seventy five psi - ANS-In older structures, do now not exceed _____ psi engine
pressure whilst presenting the FDC.
.434 psi - ANS-A 1 foot high column of water exerts how lots psi at it's base?
.Five PSI - ANS-Atmospheric pressure decreases ______ psi according to one thousand feet of
elevation.
(Q-15) x 2= P (discharge strain) - ANS-What is the Formula for finding the discharge strain at
every sprinkler head?
Zero psi - ANS-What is the friction loss for home equipment with flows of less than 350 psi?
1 inch - ANS-Apparatus with water tanks of 1000 gallons or less should have a tank fill line of as
a minimum what number of inches?
1,500 gallons - ANS-What is the maximum tank capability, in gallons, for a single rear axle fire
unit?
1,728 cubic inches - ANS-How many cubic inches are there in 1 cubic foot?
1.5 x D squared x NP= NR (nozzle reaction) - ANS-What is the Formula for locating nozzle
response?
1.8 x D squared x EP= INR (preliminary nozzle reaction) - ANS-What is the Formula for locating
preliminary nozzle response?
1/2 GPM= NR (nozzle response) - ANS-What is the Rule of Thumb components for locating
nozzle reaction?
1/2 P + 15= Q (gpm)
Multiply the answer x the range of heads x the mins flowing to get the entire flow. - ANS-What is
the Formula for locating the gpm (Q) of one sprinkler head?
10 - 15 mph - ANS-Most speedometers examine what mph, whilst the engine is idling and the
pump is in equipment?
10 - 50 feet - ANS-Intake hose for hydrant connection is typically how long?
10 % - ANS-Steering wheel play have to be no extra than what number?
10 feet of elevate
, 20 ft of hard suction - ANS-Pumper capacities are set at draft with how many toes of carry? And
through how many toes of tough suction?
10 inches
five mins - ANS-When checking for air leaks, no extra than what number of inches of vacuum
need to be lost in how many minutes?
10 psi - ANS-Gauges must be calibrated, repaired, or changed while off with the aid of how
many psi?
10 psi - ANS-How lots psi of friction loss needs to be brought for every additional a hundred ft of
hose used to deliver an FDC?
10 psi - ANS-What is the friction loss for appliances with flows of greater than 350 psi?
10% - ANS-Flow meters must now not be off by means of greater than what number?
100 tiers F - ANS-Air temperature must no longer be above what stages for the duration of
apparatus trying out?
A hundred psi - ANS-What nozzle stress are all fog nozzles?
A thousand - 1200 RPM - ANS-What are RPM's while drafting?
1000 ft per minute - ANS-At how many feet in keeping with minute does water go with the flow
through hose strains?
12,000 kilos - ANS-How a whole lot does a midi-pumper weigh?
13.55 inches - ANS-1 inch of mercury is same to what number of inches of water?
14.7 toes - ANS-How many toes is reliable carry?
15 x 1.133= 16.9 toes - ANS-If Intake gauge suggests 15 mmg, how lots raise do you have?
150 psi - ANS-Pumpers need to waft how many psi at a hundred% ability?
One hundred fifty psi - ANS-What is the discharge strain for an FDC.
1500 watts - ANS-How many watts do inverters generally offer?
One hundred seventy five psi - ANS-In older structures, do now not exceed _____ psi engine
pressure whilst presenting the FDC.
