FL Pump Ops
The maximum drift for a single line of two half of-inch hose is ___ GPM to ___ GPM, in step with
ANS-250-300. "There shall be an OS&Y valve located between the hearth department Siamese
connection and the standpipe riser"
"There is a one-manner check valve positioned within the machine to prevent potentially
infected water from coming into the principle machine" - ANS The first declaration is false,
however the second is genuine. 1. Engine one is presenting engine two with a unmarried
hoseline of two ½" hose 600 toes in duration. The second engine is presenting two handlines of
two 12 inches, each 150 ft long, with 7/8-inch recommendations, 50 psi nozzle strain, and a
hundred and fifty GPM of discharge. What is the pump discharge stress from engine one? -
ANS-146 psi
1. Ground reservoirs are man-made impoundments that have the same characteristics of a
pond or small lake. They are generally found at the subsequent places: 1. If the primary line is
opened when a pumper is hooked up to a hydrant and there may be a 20% drop in residual
stress, the hydrant have to be able to supply times as a great deal water (one extra setup) 1.
What might be the loss as a result of friction in a unmarried line of 3" hose with 2 12" couplings,
400 feet long, wearing 300 gallons of water per minute? ANS-34 psi 1. When using 2 ½ or
three inch hose lines to deliver the pumper without delay off hydrant pressure, it's miles
endorsed that the strains be now not than: - ANS-300 ft
A 2 ½" hose with no nozzle connected (open butt) is flowing at a strain of 25 psi, what number
of GPM is being discharged from the outlet? - ANS-835
A hearth equipment pump is capable of supply ___ % of its ability at 15 ft elevate. - ANS-70
A large percentage of collisions occur at the same time as: - ANS-backing
A stress of 1 pound in keeping with square inch will increase a column of water what number of
ft? - ANS-2.304
The pump's discharge side ought to have a fill line for the tank. This permits for: - ANS-All of
the above
A tank fill line must be supplied from the discharge facet of the pump. This permits:
A. While the pump is drafting, the tank may be stuffed without making any extra connections.
B. A manner of replenishing water carried in the tank.
C. To preserve the pump from overheating via permitting water to go with the flow thru it when
no traces are strolling. D. All of the above - ANS-All of the above
According to NFPA 1901, a mobile water supply apparatus have to convey at the least: -
ANS-one thousand gallons
ANS-2 discharges are required on all hearth apparatus with a rated pump ability of 750 gallons
or extra: Apparatus prepared with a fire pump whose rated capability is much less than 750
GPM are required to go through the identical certification check as a pumper over 750 GPM
apart from: - ANS-Pumping engine overload check
Apparatus service tests are performed as a minimum: - ANS-Semi-yearly
Apparatus with a water tank much less than 1000 gallons in size should have a tank fill line at
the least ___ inches in diameter. - ANS-1
, Apparatus with air brakes are to be ready with an air strain safety valve that forestalls air horns
from being operated while the air stress within the air reservoir drops beneath: - ANS-80 psi
At a fireplace, 6 sprinkler heads have opened. They are working at a 30 psi strain. What is the
total discharge? - ANS-one hundred eighty GPM
Back strain is also known as ___ - ANS-Head strain
Because total vacuum isn't always viable in subject operations, hearth equipment ought to have
a most carry of: - ANS-25 ft
Concerning the foam proportioning device take a look at, which of the subsequent is genuine? -
ANS-No time frame for testing is needed, however, the pump operator must be able to perform
the test
Elevating water gadgets typically variety in height from ___ to ___ ft? - ANS-50-seventy five
Engine groups that carry huge quantities of floor ladders, however do not have a chief aerial
tool are known as: - ANS-Quad
Find the favored pump strain when offering a 2 ½" hose line with a one inch tip with 50 psi
nozzle stress, laid up to the 0.33 ground. (the deliver line is 250 ft long) (use rule of thumb) -
ANS-eighty psi
For a given pace of drift, the friction loss in line with hose is approximately the equal regardless
of what the strain of water can be.
Friction loss is decided by means of the rate or velocity of the water thru the fire hose -
ANS-Both are fake
For standpipe evolutions, if the pumper is more than 100 feet from the fireplace department
Siamese connection on a building, an extra ___ psi need to be delivered for each one hundred
ft of extra hose - ANS-10
How many pounds does one gallon of clean water weigh? - ANS-eight.35
Ideally, the command vehicle ought to be positioned ___ of the constructing. - ANS-on the nook
If 250 GPM is flowing via a hose line and the strain is multiplied at the same time as the nozzle
commencing is decreased in order that 250 GPM stays flowing, the friction loss will: -
ANS-boom
If 50 psi nozzle stress is being furnished to a 1 1/eight" tip on a 2 ½" handline, what's the nozzle
response? - ANS-100 lbs
If a round garage tank 12 ft in diameter and 15 toes excessive is ¾ full with water and water is
then eliminated from the tank at a fee of 500 GPM, approximately how many mins would it not
take earlier than the tank is completely empty? - ANS-19
If a pumper is attached to a hydrant 200 toes away from a standpipe Siamese and two 1 ½ inch
handlines are running at the 8th ground, the fireplace pump operator need to keep ___ psi
engine strain - ANS-one hundred fifty
If the release from a 1 ¼ inch tip is three hundred GPM, what maximum nearly is the nozzle
pressure? - ANS-forty two psi
In hearth hydraulics, ___ is that part of the entire stress that is used to triumph over friction
even as forcing water via a fire hose - ANS-Friction loss
In maximum cases, building and hearth codes require wet structures with booster fire pumps
built in for systems over how many flooring? - ANS-5
In the identical length hose, friction loss varies about ____ - ANS-Inversely because the
rectangular of the velocity of flow
The maximum drift for a single line of two half of-inch hose is ___ GPM to ___ GPM, in step with
ANS-250-300. "There shall be an OS&Y valve located between the hearth department Siamese
connection and the standpipe riser"
"There is a one-manner check valve positioned within the machine to prevent potentially
infected water from coming into the principle machine" - ANS The first declaration is false,
however the second is genuine. 1. Engine one is presenting engine two with a unmarried
hoseline of two ½" hose 600 toes in duration. The second engine is presenting two handlines of
two 12 inches, each 150 ft long, with 7/8-inch recommendations, 50 psi nozzle strain, and a
hundred and fifty GPM of discharge. What is the pump discharge stress from engine one? -
ANS-146 psi
1. Ground reservoirs are man-made impoundments that have the same characteristics of a
pond or small lake. They are generally found at the subsequent places: 1. If the primary line is
opened when a pumper is hooked up to a hydrant and there may be a 20% drop in residual
stress, the hydrant have to be able to supply times as a great deal water (one extra setup) 1.
What might be the loss as a result of friction in a unmarried line of 3" hose with 2 12" couplings,
400 feet long, wearing 300 gallons of water per minute? ANS-34 psi 1. When using 2 ½ or
three inch hose lines to deliver the pumper without delay off hydrant pressure, it's miles
endorsed that the strains be now not than: - ANS-300 ft
A 2 ½" hose with no nozzle connected (open butt) is flowing at a strain of 25 psi, what number
of GPM is being discharged from the outlet? - ANS-835
A hearth equipment pump is capable of supply ___ % of its ability at 15 ft elevate. - ANS-70
A large percentage of collisions occur at the same time as: - ANS-backing
A stress of 1 pound in keeping with square inch will increase a column of water what number of
ft? - ANS-2.304
The pump's discharge side ought to have a fill line for the tank. This permits for: - ANS-All of
the above
A tank fill line must be supplied from the discharge facet of the pump. This permits:
A. While the pump is drafting, the tank may be stuffed without making any extra connections.
B. A manner of replenishing water carried in the tank.
C. To preserve the pump from overheating via permitting water to go with the flow thru it when
no traces are strolling. D. All of the above - ANS-All of the above
According to NFPA 1901, a mobile water supply apparatus have to convey at the least: -
ANS-one thousand gallons
ANS-2 discharges are required on all hearth apparatus with a rated pump ability of 750 gallons
or extra: Apparatus prepared with a fire pump whose rated capability is much less than 750
GPM are required to go through the identical certification check as a pumper over 750 GPM
apart from: - ANS-Pumping engine overload check
Apparatus service tests are performed as a minimum: - ANS-Semi-yearly
Apparatus with a water tank much less than 1000 gallons in size should have a tank fill line at
the least ___ inches in diameter. - ANS-1
, Apparatus with air brakes are to be ready with an air strain safety valve that forestalls air horns
from being operated while the air stress within the air reservoir drops beneath: - ANS-80 psi
At a fireplace, 6 sprinkler heads have opened. They are working at a 30 psi strain. What is the
total discharge? - ANS-one hundred eighty GPM
Back strain is also known as ___ - ANS-Head strain
Because total vacuum isn't always viable in subject operations, hearth equipment ought to have
a most carry of: - ANS-25 ft
Concerning the foam proportioning device take a look at, which of the subsequent is genuine? -
ANS-No time frame for testing is needed, however, the pump operator must be able to perform
the test
Elevating water gadgets typically variety in height from ___ to ___ ft? - ANS-50-seventy five
Engine groups that carry huge quantities of floor ladders, however do not have a chief aerial
tool are known as: - ANS-Quad
Find the favored pump strain when offering a 2 ½" hose line with a one inch tip with 50 psi
nozzle stress, laid up to the 0.33 ground. (the deliver line is 250 ft long) (use rule of thumb) -
ANS-eighty psi
For a given pace of drift, the friction loss in line with hose is approximately the equal regardless
of what the strain of water can be.
Friction loss is decided by means of the rate or velocity of the water thru the fire hose -
ANS-Both are fake
For standpipe evolutions, if the pumper is more than 100 feet from the fireplace department
Siamese connection on a building, an extra ___ psi need to be delivered for each one hundred
ft of extra hose - ANS-10
How many pounds does one gallon of clean water weigh? - ANS-eight.35
Ideally, the command vehicle ought to be positioned ___ of the constructing. - ANS-on the nook
If 250 GPM is flowing via a hose line and the strain is multiplied at the same time as the nozzle
commencing is decreased in order that 250 GPM stays flowing, the friction loss will: -
ANS-boom
If 50 psi nozzle stress is being furnished to a 1 1/eight" tip on a 2 ½" handline, what's the nozzle
response? - ANS-100 lbs
If a round garage tank 12 ft in diameter and 15 toes excessive is ¾ full with water and water is
then eliminated from the tank at a fee of 500 GPM, approximately how many mins would it not
take earlier than the tank is completely empty? - ANS-19
If a pumper is attached to a hydrant 200 toes away from a standpipe Siamese and two 1 ½ inch
handlines are running at the 8th ground, the fireplace pump operator need to keep ___ psi
engine strain - ANS-one hundred fifty
If the release from a 1 ¼ inch tip is three hundred GPM, what maximum nearly is the nozzle
pressure? - ANS-forty two psi
In hearth hydraulics, ___ is that part of the entire stress that is used to triumph over friction
even as forcing water via a fire hose - ANS-Friction loss
In maximum cases, building and hearth codes require wet structures with booster fire pumps
built in for systems over how many flooring? - ANS-5
In the identical length hose, friction loss varies about ____ - ANS-Inversely because the
rectangular of the velocity of flow
