Download Fire Pump Operations: Test Questions and Answers for Firefighters and more Exams Advanced Education in PDF only on Docsity!
FLORIDA PUMP OPS TEST QUESTIONS AND CORRECT ANSWERS!!
In a wild fire attack the position of the apparatus is what? - ANSWER the anchor When does brake fade occur? - ANSWER when the brakes overheat from excessive use What area is between wild-land and rural area? - ANSWER Wild land urban interface Older vehicles may be equipped with what type of braking system? - ANSWER Hydraulicbraking system
If the operator on an aerial has the DCDL locked and hears tires scrubbing what shouldhe do? - ANSWER Not worry because it is normal
Brush trucks have the ability to do what? - ANSWER Pump and Roll Audio sirens out run the effective range its audible warning device at speeds abovewhat? - ANSWER 50mph
What are some of the problems with homemade pumpers? - ANSWER They are topheavy
2 short blast of the air-horn indicate what? - ANSWER Backing up Water Tenders must be capable of a portable tank at what GPM? - ANSWER 1,000 GPM Play in the steering wheel of more than what % is not allowed? - ANSWER 10%
NFPA 1901 requires water tenders to be designed to be filled at rate of ______ gpm? -ANSWER 1,
When a water hammer occurs it goes all the way back to? - ANSWER The water main It is dangerous and discouraged to ___ while filling trucks? - ANSWER Filling through theTOPS of tanks
Most common drafting problem? - ANSWER Air leaks What is the proper flow rate percentage? - ANSWER (100%) of their maximum flow rateat 150 PSI, (70%) of their maximum flow rate at 200 PSI, (50%) of their maximum flow rate at 250 PSI Most common relief valve? - ANSWER Spring-controlled pilot valve Nozzle commonly used in aircraft fires, car fires, voids, attics? - ANSWER Piecing nozzle What indicates the status of a vehicles alternator and charging system? - ANSWER Ameter
What prevents water movement inside of tanks? - ANSWER Baffles Vacuum gauge should read? - ANSWER 22 inches of mercury (-75kPa) What is the symbol for mercury? - ANSWER HG Brakes should be tested? - ANSWER Annually
How many feet is a dependable lift? - ANSWER 14.7ft What type of gauge offers increased efficiency over a pilot gauge? - ANSWER A flowmeter
______________________________ and drive slow when driving through smoke - ANSWERSound the horn frequently
Pumping a hose into a water tank during water shuttle operations will________________________________? - ANSWER Prevent overheating
Newer trucks use what break system? - ANSWER Air actuated breaks Air horns will not operate under? - ANSWER 80 PSI A mid-pumper chassis weighs? - ANSWER 12,000lbs Brush truck GPM? - ANSWER 500 gallon tank size and 500 GPM Hand and palm placement for spotter during backing? - ANSWER Palms facing spotter Hand and palm placement for spotter when telling the driver to move forward? -ANSWER Palm away from spotter face
Minimum distance for drafting? - ANSWER 24'' (2 feet) What helps control hard suction drafting hose? - ANSWER Attaching a rope to thestrainer
How can most apparatus or equipment failures be prevented? - ANSWER Preformingroutine maintenance checks
Tank fill sizes? - ANSWER 1000 gallons or less - 1 inch 1000 gallons or more - 2 inches Most common sizes for LDH supply line? - ANSWER 4 or 5 inches Most collisions occur? - ANSWER At intersections Best location for command at a scene? - ANSWER Corner of building Weight of one gallon of water? - ANSWER 8.35 pounds When a pumper is connected to a hydrant and the first line is opened, and there is adrop in residual pressure of 20%; this would indicate that the hydrant should be able to supply_________________________________________? - ANSWER Two times the amount ofwater (one additional setup)
Most common type of valve? - ANSWER Ball valve Nozzle pressures? Solid Stream (Master Stream) = Fog Nozzle (Master Stream) = - ANSWER Solid stream (master stream) - 80 psiFog (master stream)- 100 psi
A foam system that combines air under pressure with a foam solution - ANSWERCompressed air foam system (CAFS) Class A foam
What is the only fluid you check while the engine is running? - ANSWER Transmission During a water shuttle operation what do you do after the first tender delivers water? -ANSWER The dump site pumper begins to draft
Agitation and turbulence are caused by _______________________ during pumpingoperations? - ANSWER Critical velocity
Most common fire pump? - ANSWER Centrifugal Hub, shroud, vane and impeller are parts of? - ANSWER Centrifugal pump Spiral section of the pump is called? - ANSWER Volute All apparatus's weighing over _____ must be equipped with an auxiliary brake system. -ANSWER 36,000 lbs
When training on a Tiller you might have to? - ANSWER Add a detachable seat for theinstructor
Drivers may want to use ________________ during emergency response? - ANSWERExcessive speed
Most common elevating water devices are _____ tall? - ANSWER 50-75ft Foam proportion? ______ parts water & ____ parts foam - ANSWER 97 parts water, 3 parts foam The D/O must ensure all occupants are wearing seatbelts. Confirmation must be made
_____________ before moving apparatus. - ANSWER Verbally When is the break exhaust activated? - ANSWER When you remove the pressure off ofaccelerator (foot off the gas pedal)
What GPM's does PTO drive limit pump capacity too? - ANSWER 500 GPM's What is the typical length for intake hose used for hydrant connection? - ANSWER10-20ft
How often should a pumper be tested? - ANSWER Annually What is the term for laying supply lines from the hydrant to the fire scene? - ANSWERForward lay
What is the term for laying supply lines from the fire scene to the hydrant? - ANSWERReverse lay
An apparatus equipped with a fire pump, whose rated capacity is less than 750 GPM isrequired to undergo the same certification test as a Pumper over 750 GPM with the exception of? - ANSWER The pumping engine overload test Engine pulls past or short of the hydrant to ________________ - ANSWER allow the hose tocurve.
A counter clockwise turn on a connection between hydrants is to - ANSWER prevent thepumper from forming kinks.
______________ use a pick-up tube that uses the pressure differential from the streampassing through the venturi. - ANSWER Eductors
The vehicle weight with no water, tools, and passengers is known as - ANSWER curbweight.
Slack adjusters are used in the - ANSWER brake system. Brush trucks are capable of - ANSWER 500gpm with 500gal tanks. Turning off appliances to prevent overload is known as - ANSWER load shedding. _______________ turns things on in intervals as to not do it all at once. - ANSWER Loadsequencer
Fill site must be monitored because - ANSWER the area may become dangerous andhave to be relocated.
DEF is used to reduce - ANSWER Nitrogen Oxide. Side to side weight cannot vary more than - ANSWER 7%. Protocol for staging when one or more units is at the involved scene is called_________________________________________ - ANSWER level 1 staging.
Water tenders must be capable of filling at _______________ - ANSWER 1000gpm. If apparatus does not reach adequate air pressure in the time it may be necessary -ANSWER to add an electric air compressor.
S.O.P.S., Officer's, and Driver/ Operator determine _____________________ - ANSWEREngine placement.
Engine lugging is caused by - ANSWER a manual transmission being in too high of agear.
Attack pumper is set in - ANSWER pressure mode. Most damage done to an apparatus is done while - ANSWER backing. Keep eyes moving, leave yourself an out while - ANSWER emergent driving. Complex repairs must be done by - ANSWER a certified mechanic. If the spotter wants the driver to pull forward in the backing operation the spotter mustfirst - ANSWER stop the driver.
While backing the spotters palms are - ANSWER facing the spotter. Elevation pressure is affected by - ANSWER topography. To solve engine lugging get - ANSWER an automatic transmission. SAE refers to - ANSWER Oil Viscosity. Most vehicles after 1990 are equipped with - ANSWER anti-lock brakes. Most apparatus have - ANSWER air actuated brakes. Water shuttle operations the best layout - ANSWER may not be the closest.
In a wildfire attack, position the apparatus at the - ANSWER anchor point. The apparatus should maintain a clear zone of at least _____ from railroad tracks. -ANSWER 30ft
When walking in to relieve the current operator you should - ANSWER ask about anyincidents and equipment on the apparatus.
2 short blasts indicate - ANSWER backing the apparatus. Before tilting the cab you should - ANSWER check the overhead clearance. Before driving to an incident, you should ask - ANSWER all if they are belted. Brake fade occurs when - ANSWER brakes overheat due to excessive use of brakes. Any persons working near bodies of water are required to wear a - ANSWER PFD,Personal Flotation Device.
_____________________________ uses the GPS and the radio transmitter in the apparatusto preempt a signal at an intersection. - ANSWER GPS traffic signal preemption
_______________ works by the strobe lights to activate sensors in the traffic light.Generates an optical signal turning the light in the direction of travel green. - ANSWER An emitter ____________________________ applies the brakes independently to aim the vehicle in thedirection that the operator position's the steering wheel. - ANSWER ECS or Electronic Stability Control
Audio sirens outrun the effective range of its audible warning device at speeds above -ANSWER 50mph.
Modern vehicles may be equipped with - ANSWER air-actuated braking systems. When pumping; Hydrant pumpers are set in rpm and Direct pumpers are set in______________________ - ANSWER pressure.
The driver/operator notifies their _______________ of the defect's and documentationregarding issues with apparatus. - ANSWER immediate supervisor
The incoming driver/operator should consult the person being relieved for - ANSWERany pertinent information regarding incident activity, equipment usage, or problems.
When backing an apparatus: - ANSWER sound 2 short blasts of the vehicles hornimmediately before backing the apparatus.
Backing straight- - ANSWER palms face the spotter using both arms Backing right- - ANSWER right arm out to side with palm of left hand facing driver. Backing left- - ANSWER left arm out to side with palm of right hand facing driver Stop arms - ANSWER form an X Pull forward- - ANSWER palms face driver (similar to backing straight) Mixing foam- - ANSWER batch mixing is simple but potentially inaccurate
2 most common functions for wildland apparatus: - ANSWER 1) structural protectionand 2) direct attack
engines should be backed in from the last known turnaround and the crew should takenote of the location's of landmarks along the way for ________________ reasons. - ANSWER safety Typical anchor points: - ANSWER roads, lakes, ponds, streams and previously burnedareas
Level __ staging is used on an emergency response when 2 or more companies aredispatched. The responding unit's stage at least one block away from scene and await further orders. - ANSWER Level 1 Staging Level __ staging is used when numerous emergency vehicles will be responding to thesame incident (mutual aid/multiple alarms), and the companies are informed of "staging area" location when they are dispatched - ANSWER Level 2 Staging Police must ______________ if an emergency vehicle is to travel against the flow of normaltraffic - ANSWER close the road
Gate valves are operated by - ANSWER a hand wheel Butterfly valves are operated by - ANSWER quarter turn handles Auxiliary engine-driven pumps are powered by - ANSWER gas or diesel engineindependent of an engine used to drive the vehicle
Discharge valves should be designed so they are easy to operate at what PSI? -ANSWER 250psi
Electronic governors use a - ANSWER pressure-sensing element to control the pump Pressure governors relieve_________________ caused by shutting down one or moreoperating hose lines - ANSWER excess pressure
pumper at water supply used to fill empty tenders - ANSWER Fill site pumper pumper used at the fire scene to draft from portable tanks - ANSWER Dump site pumper Water tender must carry at least - ANSWER 1000gal Majority of tenders carry - ANSWER 1500-3000gal of water weight of 1gal of water - ANSWER 8.33lbs weight of 1gal of gas - ANSWER 5.60lbs weight of 1gal of fuel - ANSWER 7.12lbs Key decision in water shuttle operation is the route of travel for tenders between -ANSWER fills and dumps sites
Optimum route of travel for water shuttle operation is - ANSWER circular Pump tender should remain in gear, a ____________________________ should be run tokeep cool (prevent overheating) and reduce loss of prime. - ANSWER booster or other waste line
The DPF collects ________________________________ from the exhaust stream and burnsthem more completely. - ANSWER particulates (soot)
Weight transfer follows the ___________________________ which states that "objects inmotion tend to remain in motion; objects at rest tend to remain at rest unless acted upon by an outside force". - ANSWER LAW OF INERTIA Weigh the apparatus after loading it with all equipment and personnel to ensure that theaxle loading is balanced within ______ from side to side and within the axle weight ratings front to back. - ANSWER 7% To prevent ______________________; limit downhill speed to lower than MAXIMUM RPM. -ANSWER engine damage
(P801) PROPORTIONING- mixing of water with an appropriate amount of foamconcentrate in order to form a foam solution. - ANSWER
DIRECT APPLICATION is used for - ANSWER Class A Foam BATCH MIXING is the simplest method of - ANSWER proportioning foam. The most suitable _________________ to meet the travel safety and flow requirements of aparticular incident MAY NOT ALWAYS BE THE CLOSEST SITE. - ANSWER FILL SITE
Fill site may have to be _________________ because ground conditions may become verydangerous. - ANSWER Relocated
NFPA 1911 requires that all tires be replaced every ______________ regardless of theircondition. - ANSWER 7 YEARS
In relay pumping, friction loss is directly affected by the - ANSWER amount of water
being flowed, the diameter of the hose, and the distance between pumpers. Any personnel working near the edge of bodies of water are required to wear - ANSWERPERSONAL FLOTATION DEVICES.
Stopping short of the hydrant allows - ANSWER the intake hose to curve slightly,preventing kinks that can drastically restrict flow.
3 types of fire streams are: - ANSWER SOLID STREAM, FOG STREAM and BROKENSTREAM.
Apparatus with less than 1000gal must have a tank fill line of at least - ANSWER oneinch.
Apparatus with tanks more than 1000gal must have a - ANSWER two inch tank fill line. Apparatus protecting structures during wildland fires must be - ANSWER PARKED OFFTHE ROADWAY.
The first element in learning to drive safely is - ANSWER A SAFETY CONSCIOUSATTITUDE.
Apparatus with front and rear intakes - ANSWER SHOULD BE ANGLED TOWARDS THECURB 45 DEGREES OR LESS.
Driver/Operator responsibilities are dictated by the - ANSWER SOGs or SOPs. Given the same size hose, if the tip size is reduced and the pressure is increased, butthe flow stays the same, - ANSWER friction loss stays the same.
