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69 Cards in this Set
- Front
- Back
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And advantage of and inverters is that they |
Are fuel-efficient |
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For tank and pass it is greater than ______ gallons tandem rear axle tracks or tractor-trailer design should be considered |
1500 gallons |
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Which of the following can be powered by gasoline diesel or propane engines or by hydraulic power take off systems |
Vehicle mounted generators |
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Which of the following is not a reason why hydraulic rescue told have become the primary told used in most extrication situations |
Mobility |
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Which of the following are well-suited for nuisance fire such a small grass and trashbin fires in for service calls that do not require the capacity and personnel a full-size pumpers |
Midipumper |
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Generally rescue apparatus equipment fire pumps have a rated capacity of______ gallons per minute or less |
500 gpm |
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During a front inspection air hose reel should be unreal inspected for cuts and other damages |
True |
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If apparatus requires wax polish hey Julie should not be applied until the apparatus is at least |
Six months old |
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Hose load should be checked when performing the front inspection |
False |
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Hose load should be checked when performing the front inspection |
False |
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Which of the following symptoms is not a result of insufficient free play |
Clutch not releasing |
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When performing an inspection tire should be checked for all the following except |
Lug nut condition |
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Statistics compiled by the NAPA store we show that blank of all 500 injuries and deaths in the US are caused by the Bill collision responding to our returning from a emergency calls |
20 25 % |
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When position for fire attack if the apparatus arrives at a location where no fire conditions are evident where should the apparatus be positioned |
Near the main entrance to the occupancy |
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Tracking sites that require the maximum length of suction hose or lift should be given preference during preincident planning |
False checked inside to require a minimum length |
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When are drafting operations required |
When a pumper is going to be supplied from a static water supply |
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Which of the following is an acceptable practice when making a wildland fire attack |
Driving on a dirt or gravel road |
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Which of the following statements about position a fire apparatus at an emergency medical incident is false |
Close down all lanes of traffic in both directions |
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Where should the EMS vehicle position when there are no immediate EMS situations |
Or firefighter rehab is being conducted |
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From where does the water supply distribution system receive water |
From the pumping station |
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What is specific heat |
A measure of heat absorbing capacity of a substance |
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As in extinguishing agent water depends on all the following except |
Specific pressure |
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Which of the following is not one of the four components of municipal water supply system |
Wastewater treatment plant |
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Driver operators should remember that I see with downgrades or snowpacked roads increase braking distance by as much as 10 times |
False 15 x |
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Force is defined as |
A measurement directly related to the force of gravity |
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Which of the following is not a cause of friction loss |
Improper valve size |
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Most of all liquids have a specific gravity of more than 1 |
False most flammable liquids have a specific gravity of less than one |
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Most communities use the gravity system as a means of moving water |
False most means use a combination direct pump and gravity |
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Avoid over speeding as a result of improper downshifting or he'll just sent to secure that allows the engine to operate at _____ lower than the maximum recommended RPM |
200 300 RPM |
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Whenever possible avoid vehicles that do not |
Pullover or you the right away of the fire apparatus |
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When cruising in apparatus do not try to re-rated speed in the |
Low gears |
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Whenever a vehicle undergoes a change in speed or direction weight transfer takes place relative to |
The rate and degree of change |
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Some SOP's require the driver operator to blank before back in the vehicle that is not equipped with an alarm system to warn others that the apparatus is backing |
Sound the horn twice |
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The location of the incident command post should be |
Fairly conspicuous |
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Which of the following statements about positioning mobile air supply apparatus is true |
Driver operators need to know the SOP's for their department so that the apparatus is located appropriately |
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When driving while and apparatus if the fire is spreading rapidly upslope draw engine and cruise back to the flanks rather than attempt a frontal attack |
Upslope |
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If velocity is increased be on practical limits the friction become so great that resistant agitates the entire stream creating |
Critical velocity |
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Which of the following statements about private water supply system is false |
Private water supply systems are most often found in residential developments |
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Apparatus inlets are remote outlet should be equipped with dumbbells to prevent damage to quit me up from water hammer |
False apparatus inlets RMO outlet should be equipped with pressure relief devices to prevent damage to equipment from water hammer |
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Where can the primary water supply be obtained |
Surface water or groundwater |
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Water has the ability to extinguish fire and all the following ways except |
Excluding carbon monoxide |
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The latent heat of vaporization is |
The quantity of heat absorbed by substate when it changes from liquid to vapor |
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Belk to be operated at least once every three years to keep in good condition |
False,every year |
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Elevation is |
Centerline of the pump or the bottom of static water supply source above or below ground level |
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Which type of fog nozzle maintains approximately the same nozzle pressure and Patrick even if the gala is applied to the nozzle changes |
Automatic nozzle |
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Which type of master stream dolls was mounted on fire about his dick is connected directly to the pump by the permanent piping |
Turret pipe |
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Which type of master stream nozzle has three basic types fixed portable and combination |
Monitors |
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Which type a message screen also has a Siamese connection at the supply end |
Deluge set |
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What type of fog nozzle drive several Jets of water together at a set angle to break the water into a fog stream of Finely divided particles |
Impinging stream |
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The minimum flow setting for interior structural firefighting is 50 to 60 GPM |
False the interior structural firefighting is 95 to 100 |
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Which type of message stream and also maybe use for elevating platforms |
Elevating master streams |
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Which of the following is defined as the line bounding a rounded surface |
Periphery |
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If using a flowmeter just term in the nozzle pressure and corresponding flow water use |
Any nozzle |
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Together friction loss and elevation pressure loss are referred to as |
Total pressure loss |
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When a pumpers being supplied by hydrant or a supply wanted from another pump or the net pump discharge pressure is the difference between |
The pump discharge pressure and incoming pressure from the hydrant |
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What is the formula for friction loss |
FL=C•Q/100^2•L/100+A+E+/- |
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Siamese hose lines of equaling present the simple is friction loss calculations |
False |
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Siamese hose lines of equaling present the simple is friction loss calculations |
False |
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Friction loss caused by Hamline also does usually insignificant in the overall pressure loss in hose assembly |
True |
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Which of the following is not a cause of friction loss |
Hydrant condition |
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Electronic governors reduce the RPM of the engine to lower the pressure on the closed discharge line |
Mechanical governors reduce the RPM to the engine to lower the pressure on a closed discharge line |
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As packing rings where the operation of the shaft the blank to be tightened it and delete controlled |
Packing gland |
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All gauges use for service customers have been calibrated within |
60 days |
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When performing road test Yep ready should be |
Fully loaded as it was in service |
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Which of the following is the equation for determining correct pump discharge pressure during pump or service test |
Lift ft +intake hose friction loss \ 2.3 |
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Air temperature for proper service that should be between |
0-100' f |
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Which method of volume of phone calls through the system while in operation |
The road test and the hydrostatic test |
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NFPA 1901 are included in the apparatus. Specification with two sets of test must be performed by the manufacture |
The road test and the hydrostatic test |
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If a fire pump test to less than 90% of its capabilities |
Fall if it cost less than 90% it could be taken out of service and given a lower rate |
