Help
Options
Question
In residential areas, the recommended size for fire hydrant supply mains is at least _____ inches in diameter.
click to flip
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't know
Question
There should be ____ inch cross connecting mains at intervals of not more than ____ feet.
Remaining cards (117)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Pumping random
random test q's from the interweb
| Question | Answer |
|---|---|
| In residential areas, the recommended size for fire hydrant supply mains is at least _____ inches in diameter. | 6 inches |
| There should be ____ inch cross connecting mains at intervals of not more than ____ feet. | 8 inches, 600 feet Cross connecting mains every 600 feet no matter residential or industrial |
| In the business and industrial districts, the minimum recommended size is an ____ inch main with cross connecting mains every ____ feet. | 8 inch (for industrial, 6 inch for residential), and every 600 feet. Cross connecting mains every 600 feet no matter residential or industrial |
| ____ inch mains may be used on principal streets and in long mains not cross connected at frequent intervals. | 12 inch |
| Water mains as large as ____ inches may be found in major cities. | 48 inches |
| Which manufacturer was the first to introduce the aerial truck? | Seagrave |
| The two tests that must be performed by the manufacturer if the requirements of NFPA 1901 are included in the apparatus bid specifications are the: | road and hydrostatic tests. |
| On which of the following ports would you inspect the screens for rocks or debris? | 2-1/2 ( |
| The engine brake and retarder are activated when: | pressure is released from the accelerator. |
| The purpose of the confined space turnaround is to simulate: | reversing the direction of travel of a vehicle in a narrow street. |
| Studies have shown that an emergency vehicle going faster than _____________ mph can possibly outrun its own audible warning devices. | Aerial is 50 mph, pumper is 55 mph |
| Which of the following is not used as an auxiliary braking device on a diesel-powered fire apparatus? | Transmission brake |
| When responding to a vehicle fire you should not position the apparatus any closer than _____________ feet where it could become an exposure. | 30 |
| The purpose of an inverter on an apparatus is to transform: | DC current into AC current. |
| When pumping from draft, which of the following conditions affect(s) a pump's ability? | Water temperature Barometric pressure Air temperature |
| The ________________ is the major component of the centrifugal pump because it provides velocity to the water. | impeller |
| ______________________ consist of a small return (bypass) water line connected from the discharge side of the pump back to the intake side of the pump. | Around-the-pump proportioners |
| The part of the total pressure not used to overcome friction or gravity while forcing water through fire hose, pipe, fittings, and adapters is known as: | residual pressure. |
| The recommended nozzle pressure for 2-1/2" hand lines with solid bore tips is ____________ psi. | 50 |
| During an extended period of pumping, a gradual increase in engine temperature is noted. The first step to reduce this condition would be: | gradually open "engine cooler." |
| NFPA 1901 requires an apparatus rated as a pumper to carry a minimum of ______________ 2-1/2" or larger supply/attack hose. | 800 feet |
| In a relay pump operation, any adjustment of pressure at the source pumper is made to maintain the minimum _______ pressure at the next pumper in line. | intake |
| Which type of foam application system is the most common system used in the fire service today? | balance pressure system |
| Pump discharge pressures in excess of ____________ psi are not encouraged unless the standpipe system has been designed to withstand higher pressures. | 200 psi |
| Which primer utilizes the venturi principle? | Exhaust primer |
| A 5" diameter hose would be expected to flow approximately the same amount as: | four 2-1/2" hoses. |
| In-line relay valves allow for: | late-arriving pumpers to hook up without interrupting operations |
| When using an in-line eductor, the back pressure must not exceed ____________ pressure. | 65-70 percent of the inlet |
| When positioning a pumper to supply a fire department connection, the driver must consider the: | positioning requirements of other apparatus. |
| Apparatus equipped with water tanks of 500 gallons or less must provide a tank-to-pump flow rate of ___________ gpm. Those with tanks larger than 500 gallons must provide ___________ gpm | 250, 500 |
| Which part of the rotary vane pump moves as it operates to create pressure within the pump. | vane |
| In drafting operations, pumping ability decreases when: | atmospheric pressure decreases. |
| An operator obtains a reading of 17 inches of mercury on the intake gauge while drafting and flowing water. This indicates: | a lift of approximately 17 feet. |
| Flowmeters can be used to assist the driver/operator in all of the following applications except: | determining the percentage of foam concentrate. |
| The type of pumper which is usually equipped with four-wheel drive and typically has a pump with a capacity of less than 500 gpm is known as a | minipumper |
| Improper tire pressures may cause: | poor handling. |
| When determining the size of a water tanker/tender, a department should consider the | bridge weight restrictions. |
| Which of the following driving skills would not require using a spotter? | diminishing clearance |
| At a speed of 60 mph, a siren is only audible up to ________ feet in front of the vehicle. | 12 feet, at 40 mph its 300 feet |
| The device that controls pressure surges by changing engine speed to compensate for changes in flow is called a: | pressure governor. |
| The _________________ enables apparatus to be driven and discharge water on the fire at the same time. | PTO |
| If the pump has a rated capacity of 750 gpm or greater, the fire apparatus must be subjected to an overload test consisting of pumping the rated capacity at 165 psi net pump pressure for at least ____________ without exceeding the maximum no-load gove | 5 minutes |
| Dry barrel hydrants should be opened completely because: | the drain valve would be completely closed. (Correct Answer) |
| The water level of a reservior is 150 feet above a fire hydrant. What is the static reading at the hydrant? | 65.1 psi (Correct Answer) |
| A one-square -inch column contains water to a height of 100 feet. What is the pressure in psi at the base of the column? | 43.4 (Correct Answer) |
| The flow from a 1-inch nozzle tip with a nozzle pressure of 50 psi is approximately ____________ gpm. | 210 (Correct Answer) |
| The amount of work that a pump must do to produce a fire stream is called _____________ pressure. | pump discharge (Your Answer) |
| A straight stream is considered: | a pattern of an adjustable fog nozzle. (Your Answer) |
| For drafting purposes, "lift" is measured from the _____________ of the pump. | surface of water to the pump intake (Correct Answer) |
| While pumping to a standpipe connection on the 10th floor, how much friction loss should be added for elevation? | 45 psi (Correct Answer) |
| Relay pumping always begins with the: | source/supply pumper. (Your Answer) |
| With dual pumping, ________________ strong hydrant(s) may be used to supply two pumpers. | one |
| Most alchol-resistant foams are effective in controlling hydrocarbon fires when used at a ___________ concentration. | three percent |
| The pump discharge pressure required to supply standpipes depends upon the: | friction loss in the standpipe. (Correct Answer) |
| NFPA 13, requires pressure-regulating valves to be installed on standpipe risers where static pressures exceed: | 175 psi |
| Which class of ANSI safety vests should be worn in an environment where speeds are in excess of 55 mph? | Class 3 (Correct Answer) |
| Which of the following types of fire pumps must be primed using an external priming device? | Centrifugal |
| Which valve determines whether the pump is operating in series or pressure mode? | Transfer valve (Correct Answer) |
| One way to increase the efficiency of water shuttle operations is to: | decrease the time required to fill the tanker/tender. (Your Answer) |
| When lowering a barrel strainer into the water, it should have ____________ inches of water around it. | 24 ( |
| A small diameter hose line that remains in the open position and continues flowing water during the entire drafting operation is known as a: | dump line. (Your Answer) |
| When pulling up to a hydrant, turning the front wheels to a 45 degrees angle: | will make it easier to position the apparatus, if needed. (Your Answer) |
| Simple in-line foam eductors use this principle to operate: | venturi |
| In the fire service, each pump impeller in a housing is commonly called a: | stage |
| A relief valve by-passes excess water from the discharge side of the pump to the: | pump intake |
| Master stream nozzles are: | either solid or fog streams. (Your Answer) |
| NFPA requires that a pump must pump its rated capacity at not more than __________ of lift. | 10 feet (Correct Answer) |
| Shutting down a diesel engine immediately after full-load operation may result in: | turbo seizure. (Correct Answer) |
| Nozzle reaction is explained by the law of physics that states: | for every action there is an equal or opposite reaction. (Your Answer) |
| ____________________ are controlled by monitoring the water flow and controlling the speed of a pre-concentrate pump. | Variable-flow, variable-rate direct injection systems (Your Answer) |
| Substances that dissolve in water are known as: | aqueous |
| To achieve rated capacity of a pump, it must be operated in the _________________ position. | parallel |
| Priming devices used on modern centrifugal fire pumps most often are: | positive displacement pumps. (Your Answer) |
| Which type of nozzle is very effective when fighting a fire in a basement or cellar? | Bresnan nozzle (Your Answer) |
| A "0" psi reading on m ost pressure on most pressure gauges is actually ____________ psi, pressure at sea level. | 14.7 (Your Answer) |
| The oil pressure gauge indicates the: | supply of oil being delivered. (Your Answer) |
| In the most basic sense, relay operations are based on: | fire flow needs and distance. (Your Answer) |
| A factor to be considered when determining the rate of application for fire fighting foam is: | the type of foam concentrate used. (Your Answer) |
| The device that introduces foam concentrate into the water stream to make the foam solution is: | foam proportioner. (Your Answer) |
| The driver/operator must always make sure that the ______________ are completely open with taking place to prevent damage to the tank. | vents |
| NFPA 1901 standard for minimum pump capacities for fire department pumpers is? | 750 gpm |
| Municipal fire departments rarely have pump capacities exceeding ____gpm. | 2000 |
| What apparatus features all the standard engine company equipment , and also carrys a larger than standard amount of rescue and extrication equipment? | rescue pumper |
| Municipal and industrial foam pumpers may be equipped with what type of foam systems? | around the pump -direct injection -balanced pressure foam proportioning -compressed-air foam -or any combination of these |
| Standard pump capacities are found in increments of ___gpm. | 250 |
| Industrial fire pumpers frequently have pump capacities in excess of ____gpm. | 2000 |
| Industrial foam pumpers equipped with fire pumps that range in capacity from ____gpm to ____gpm or greater. | 1000-3000 |
| Most industrial foam pumpers have large foam concentrate tanks on board that range from ___ - ____ gallons. | 500-1500 |
| With the use of articulating booms or telescoping pipes, hydraulically operated towers may be mounted on pumpers to form a what? | combination units |
| What is a scaled down version of a fire department pumper called? | Initial attack fire apparatus |
| Smaller quick-attack pumper designed to handle small fires that do not require the capacity or personnel needed for a larger pumper. | mini pumper |
| The most common size foam tanks for municipal fire apparatus range from __ to ___ gallons. | 20-100 gallons of foam concentrate |
| Pumpers with elevated water devices typically range from what heights? | 50-75 ft |
| Apparatus,often meeting the requirements of a class A pumper, well suited for nuisance fires such as small grass and trash bin fires and for service calls that do not require the capacity and personnel of a full size class A pumper. | midi pumper ( remember nuisance fire as key word) |
| The size of the water tank specified on a mobile water supply apparatus depends on what variables? | -terrain -Bridge weight limits -monetary constraints -size of other mobile water supply apparatus in the area |
| Weight distribution and load requirements generally limit tank capacity of single rear axle vehicles to what? | 1500 gallons |
| What are the two basic methods for which a mobile supply apparatus may be used? | -as a nurse tender -in a water shuttle operation |
| Wildland fire apparatus are also known as what? | -Brush trucks - brush breakers - booster apparatus |
| Tandem rear axles, tri-axles or a tractor trailer design should be considered for tanks that exceed how many gallons? | 1500 |
| Apparatus designed to perform the functions of both pumper and mobile supply apparatus are? | Tactical tenders Or Attack tankers |
| Wildland fire apparatus usually have pump capacities and water tank sizes of less than what? | 500 gallons |
| Booster tanks for wildland apparatus vary from as little as __ gallons to in excess of ____gallons | 20-1000 gallons |
| The method by which ICS, as defined by NIMS, categorizes pumping apparatus (including water tenders) by capability is called? | Apparatus typing |
| Standard for aircraft rescue and fire fighting vehicles | NFPA 414 |
| Local agencies divide their ARFF apparatus into what three general classifications? | -major fire fighting vehicles -rapid intervention vehicles (RIV) -combined agent vehicles |
| Fire boats have been built to deliver as much as _____gpm. | 26,000 |
| Standard for wildland fire apparatus | NFPA 1906 |
| An aerial apparatus with a pump should always be positioned with the ______ ______ in mind as the first priority. | Aerial device |
| NFPA 1901 specifies that the minimum pump capacity for an aerial apparatus shall be ___gpm @ ___psi. | 250 gpm @ 150 psi |
| Inverters are capable of providing ____ watts or more of electric power. | 1,500 watts |
| Vehicle mounted generators generally have ___ and ___ volt capabilities; capacities up to _____ watts are common on pumpers. | 110 and 220 volts 12,000 watts |
| According to NFPA 1901, if an apparatus is going to be considered a true Quint, it must have at least a ___gpm pump. | 750 gpm |
| An inverter is a step-up transformer that converts the vehicle’s __ or __ volt DC current into ___ or ___ volt AC current. | 12-24 volt DC To 110-220 volt AC |
| Portable generators are designed with a variety of power capabilities, with ____ watts of power being the largest. | 5,000 watts |
| Rescue vehicles generators can have capacities of _____ watts or more. | 50,000 watts |
| Fixed mounted bank of lights generally has a capacity of ___ to ____ watts per light. | 500-1,500 watts |
| Specifications for aircraft rescue and fire fighting vehicles are contained where? | NFPA 414 |
| Portable lights generally range from ___ to ____ watts. | 300-1000 watts |
Created by:
awray