Chapter 15 - Appartus Testing Flashcards
The two basic categories of testing are grouped as __________ and ___________ tests.
preservice and performance
p 515
Which three NFPA standards are commonly used as a basis for most apparatus bid specifications?
NFPA 1901 - Standard for Automotive Fire Apparatus
NFPA 1906 - Standard for Wildland Fire Apparatus
NFPA 414 - Standard for Aircraft Rescue and Firefighting Vehicles
p 516
The _______ _______ is to be conducted with the vehicle loaded to the same weight as it will be when placed in service.
road test
p 516
- Preservice apparatus maneuverability tests designed to determine the road worthiness of a new vehicle.
Road Tests
p 516
Road Test
- The apparatus must accelerate to ____ mph from a standing start within ____ seconds. The test is conducted in two runs in opposite directions.
35 mph / 25 seconds
p 516
Road Test
- The apparatus must achieve a maximum top speed of ____ mph. This requirement may be waived for vehicles not designed for use on public roadways.
50 mph
p 516
Road Test
- The apparatus must come to a full stop from _____ mph within ____ feet.
20 mph / 35 feet
p 516
If special requirements are sought from the apparatus manufacturer, the purchaser should write them into the bid specifications as ____________ ___________ as opposed to engineering or equipment specifications.
performance requirements
p 516
A ____________ test is performed to ensure that the pump and associated piping are capable of withstanding high pressure pumping demands.
hydrostatic test
p 517
The pump body as well as the entire intake and discharge piping system, with the exception of the tank fill and tank-to-pump lines on the tank side of the valves, are subjected to a minimum hydrostatic test pressure of ______ psi of a minimum of ____ minutes.
500 psi / 10 minutes
p 517
______ ___________ tests are performed by an independent testing organization such as Underwriters Laboratories, and are designed to ensure that the fire pump will operate as designed on the completed apparatus.
Pump certification
p 517
For apparatus equipped with an onboard water tank, a ______-____-______ flow test must also be performed.
tank-to-pump
p 517
- Procedure used to determine the rate of water flow available for fire fighting at various points within the distribution system.
Fire Flow Testing
p 517
______________ testing is conducted to demonstrate to the purchaser that the apparatus conforms to all bid specifications at the time of delivery.
Acceptance testing
p 517
The requirements for fire department service testing are contained in NFPA ?
NFPA 1911 - Standard for the Inspection, Maintenance, Testing and Retirement of In-Service Fire Apparatus
p 518
Based on NFPA 1911, a pumper must be performance tested at least ______ each year, or whenever it has undergone a major ______ or ___________ repair.
once / pump or powertrain
p 518
Although the NFPA 1911 standard allows performance testing to be conducted using a hydrant or static water supply, many jurisdictions prefer a _______ ________ source because it will provide easier evaluation for pump performance.
static water
p 518
Site considerations for pumper performance tests:
The water level of the static source must be at least ____ feet deep, with the strainer submerged at least ____ feet below the surface.
4 / 2
p 518
Site considerations for pumper performance tests:
The distance of the centerline of the pumper intake above the surface of the water is based on its __________. For pumps rated at 1500 gpm or less, ____ feet is the maximum distance, while 2000 gpm pumps use a ____ foot maximum lift.
capacity / 10 / 6
p 518
Site considerations for pumper performance tests:
The air temperature when testing is conducted should be between ____ ^F and ____^F. The water temperature should be between ___ ^F and _____ ^F. The barometric pressure should be at least ____ inches of mercury when corrected to sea level.
0 and 110 / 35 and 90 / 29 inches
p 518-519
A 1-inch drop in barometric pressure reduces the static lift of a pumper by approximately ___ ______.
1 foot
p 519
Net pump discharge pressure is the difference between the ________ pressure and the __________ pressure. Performance tests are conducted at _____ psi, _____psi, ______ psi and _____ psi net pump discharge pressure.
intake / discharge / 150, 165, 200 and 250
p 519
______ marks around couplings are used to determine if a hose should be taken out of service. If the ______ mark is found to have moved away more than _____ of an inch from the coupling, stop the test and replace the hose.
scribe / scribe / 3/8 inch
p 519-520
NFPA _____ specifies that all gauges used for service testing must be calibrated within _____ days of the testing.
1911 / 60
p 521
A __________, which indicates flow in gallons per minute, within plus or minus _____ precent of accuracy, offers increased efficiency over a pitot gauge when determining flow from nozzles during a pump test.
flowmeter / five
p 522
An ________ _______ check should be conducted under no-load conditions after ensuring all fluid levels are within manufactures recommendations.
engine speed check
p 523
- Instrument that indicates the rotational speed of a shaft in revolutions per minute (rpm); usually used to indicate engine speed.
Tachometer
p 523
A _________ test evaluates the priming device, pump, and intake hose for air leaks.
vacuum test
p 523
Vacuum Test
if the pump fails to reach ____ inches of mercury, remove the apparatus from service until repairs can be made.
22 inches
p 523
Priming system test:
According to NFPA 1911, fire pumps of 1250 gpm capacity must achieve prime in ____ seconds or less, and those rated at 1500 gpm must be primed within ____ seconds.
30 / 45
p 524
The _________ test evaluates the overall operation of the engine and fire pump.
pumping
p 524
Flowmeter operational tests:
The difference in readings between the flowmeter and pitot gauge must not be more than _____ percent. Any reading beyond those margins requires repair or replacement of the ?
ten / flowmeter
p 525
Tank to pump flow test:
Pumpers with an onboard tank capacity of 500 gallons or less must be capable of flowing _____ gpm from their onboard tank. Pumpers with a capacity of greater than 500 gallons must be capable of flowing at least ______ gpm.
250 / 500
p 525-526
During the testing process the pumper must not show signs of _____________, ________ loss, or other ____________ issues.
overheating / power / mechanical
p 526
Reviewing test results
Any apparatus that achieves results less than _____ percent of its originally rated capabilities has two options for continued use: It may be placed out of service and restored to its original ____________ and tested again, or the apparatus may be given a lower __________ based on the results of the most recent testing.
90 / capabilities / rating
p 526
This method checks the volume of foam concentrate that is drawn through the system to determine the accuracy of the proportioning equipment ?
Foam Concentrate Displacement Method
p 527
- Device used to measure the amount of foam concentrate in the solution; operates on the principle of measuring the velocity of light that travels through the foam solution.
Refractometer
p 528
A foam solution _____________ test ensures the quality of a foam solution after it has been created by a foam proportioning system. This test is accurate for ________ and ______________ based solutions.
refractivity / protein and fluoroprotein
p 528
______________ testing is used to ensure the quality of synthetic based foam produced by various foam proportioning systems and equipment.
Conductivity
p 529
