Master Streams Practice Test

These questions are part of the practice quiz. Start practicing

• What is the typical flow range and the corresponding constant nozzle pressure range for master stream automatic fog nozzles?
• The first walls to fail are the walls that are what relative to the truss direction of travel?
• Strip centers most often use some variant of ______ truss. They are ______ except at wall ends.
• The target discharge pressure on the deck gun with stacked smooth bore tips should be approximately ____-____ psi.
• In NON high-rise fires, you should utilize pressure mode when you need to pump individual discharge pressures in excess of _____ psi or compound discharge pressures in excess of _____ psi.
• Which pair represents the fixed master streams?
• When positioning the aerial for rescue, this generally means placement about 34' away from the structure, if the rescue is on the 4th floor or below.
• The combination fog nozzle for the Blitz Fire is which model?
• Which structural element is commonly used in flat roof strip centers?
• Crimson rear mounts are comprised of how many sections of ladders?
• Which building type is commonly associated with open web steel bar truss, a configuration often used in strip centers and malls?
• These units are often narrow storefronts with deep interior space, typically on two or more lane roads. Which type describes them?
• Which action comes immediately after retract in the bed-down sequence?
• When the rescue is above the fourth floor, the ladder's effective reach is 6-7 stories. Which option represents this range?
• Crimson rear-mount piped waterways can be directed down how many degrees?
• If a parapet wall is determined to be a fire ground threat, a firefighter should be assigned as a spotter for how long?
• Are aerial ladders rated for _____ firefighters at the tip when operating in piper waterway mode?
• In a commercial strip center incident, if the first arriving truck sits in the rear, how many firefighters should be left at the front to ensure engine access?
• The Max Force Dual Automatic nozzle on the Blitz Fire has a low pressure setting of how many psi?
• What is the main disadvantage of the lintel?
• There are four major components that determine the quality and effectiveness of a master stream operation. Which list includes all four components?
• Strip centers account for a large percentage of still alarms. Which construction type are they most associated with?
• When addressing high rise, committing resources to a successful fire attack is often the best way to save most lives. Which tactic is this?
• At commercial strip centers, access should be created with which feature instead of storefront windows?
• The deck gun has a full _____ degrees of rotational travel, _____ degrees to the left of center, and ____ degrees to the right of center.
• Smoothbore master streams are typically larger than which size?
• What is the single largest factor that differentiates multi-family dwellings from single-family dwellings in fire scenario planning?
• What is the combined maximum tip load when adding the ladder tip rating and the additional tip equipment load allowance?
• What are the maximum elevation angles of the deck gun above and below horizontal?
• Master streams are ______ ______ fire streams delivered by either fixed or portable appliances.
• In regards to minimum flow rates/colors of hydrants, what are the minimums?
• What are the two variations of short duration master stream use?
• For a deep seated fire on any floor above the first, what is the preferred appliance?
• Officers and driver operators expect a practical flow range on the elevated master stream between which GPM?
• Which heat transfer mechanism is most associated with rapid fire spread in high-rise spaces?
• Which architectural feature is described as a common cockloft shared by adjacent occupancies in a type three taxpayer?
• What are the key ratings for the monsoon RC monitor (max flow, nozzle pressure, nozzle reaction)?
• Which construction may have metal trusses carrying the roof load with a wood framed interior loft space essentially creating a combustible wood truss roof under a metal truss roof?
• Because of significant uncertainty surrounding these structures, fires at type three taxpayers require an engine and a truck crew where?
• The aerial operator should attempt to avoid inadvertent contact by setting the ladder approximately _____ ft Above the roofline
• What is the purpose of leaving two firefighters at the front of a strip center when the first truck parks in the back?
• The deck gun's leftward travel limit is listed as 135 degrees. How many degrees is that to the left of center?
• Red hydrants are mostly what type of hydrants, fed from one side only?
• What equipment should every crew participating in monolithic-structure search carry?
• What are the two fixed master streams?
• The piped Ariel waterway can deliver how many gpm in any position of extension or elevation?
• What is the deck gun's max pressure rating?
• What is the tip load rating of Crimson ladders?
• For a below-grade deployment, the ladder must be swung greater than how many degrees away from the cab?
• It is not recommended to use the aerial if wind conditions exceed how many mph?
• What phenomenon occurs when a smoothbore nozzle is over-pressurized?
• Which of the following describes the typical first-floor use in monolithic multifamily buildings discussed?
• What is the purpose of chocking the axles when setting the rear mount aerial?
• Which description correctly describes the waterway sizes for the Crimson rear mounts from base to tip?
• What is the maximum pressure corresponding to a 2-3/4 inch smooth bore tip?
• The first line under a flat roof with metal trusses should always be directed where?
• To knock ice off moving parts after shutting the pipe, which action should be performed?
• Type III taxpayers were originally built using which construction?
• In pressure mode, the CMU pump can deliver 1400 gpm at a max pressure of 250 psi.
• When setting the rear mount aerial, which axles should be chocked?
• Which statement about trusses is true?
• Which statement is true about the Blitz Fire system as described?
• How many feet should crewmembers maintain between each other while climbing the aerial ladder?
• The flat roof in a commercial strip center is often constructed of
• What is the correct bed-down sequence for the aerial ladder?
• Which order is recommended when performing searches away from the fire in a multi-story building?
• Which of the following is the most rapid form of fire spread at high-rise structures?
• In pressure mode, the CMU pump is capable of delivering ______ gpm at a max pressure of _____
• What is the lower bound of the deck gun's target discharge pressure range with stacked smooth bore tips?
• The second method to estimate elevation change involves estimating total distance above ground in feet and dividing by what?
• Which term refers to the space within the truss assembly that can accelerate fire spread?
• Which option lists a fixed master stream pair used in some operations?
• The smoothbore nozzle is called a _____ _____ nozzle.
• The CMU pump must be supplied by how many 5-inch lines?
• The engine idle discharge pressure range in pressure mode is between what values?
• If the standpipe riser is PRV'd and the building exceeds 10 stories, the pump should be operated in which mode?
• The CMU pump is capable of delivering _____ psi of pressure on the compound gauge as long as the volume being demanded is less than ______ the rated capacity of the pump.
• What is the maximum recommended distance (in times the bedded ladder length) from the structure when using a bedded ladder?
• After shutting down the pipe due to ice, what should be done with the ladder?
• Above the storefront, the frame construction often has what internal ceiling height?
• Flat roof trusses most often run perpendicular to which wall when they are not supported by columns?
• In regards to protecting exposures, the master stream should be directed in the following order of effectiveness.
• In a strip center, what determines the corner where the ventilation truck is placed?
• What is often the most important fire ground action in strip center structures?
• In a type three taxpayer with a common cockloft, firefighters should be placed where to search for extension?
• When the demands of the hydraulic pump exceed the demands of the available water supply it is called 'Running away from your water'. Which option best completes this statement?
• Most new Spartan aerials have a retracted ladder length of how many feet?
• It is not recommended to operate if the turntable is more than how many degrees off level?
• Extend a gun can flow water and be raised or lowered, but not in between. Which of the following is true?
• Direction for crimson rear-mount piped waterways is typically directed at what angle?
• What is the maximum pressure for the 2-1/4 inch smooth bore tip?
• What is the length of the deck gun cable?
• What is the horizontal rotation capability (left and right) and its deviation from parallel for the monsoon RC?
• Which wall is often the loadbearing and the long wall in strip center structures?
• Which hydrant color indicates a minimum flow greater than 1500 gpm?
• Which of the following indicates that the aerial should be taken out of service?
• The first floor storefront can have very high ceilings, resulting in which height measurement?
• Wide Road allows for a stacked set of engine and truck. Which roadway configuration supports this arrangement?
• Type III taxpayer properties are older storefront structures with load-bearing walls most often what with adjacent occupancies?
• Which tip size is associated with the maximum pressure of 200 psi?
• Idle discharge pressure range is affected by the strength of the plug.
• How many stacked tips can the deck gun run, and what are the four tip sizes?
• These structures do not readily reveal their business use or contents the way hospital or restaurant does. Which construction type fits this description?
• What is the initial fire crews' number one priority at these structures?
• Multi-family with interior stairwells usually have ______ access issues while multi-family with exterior stairwells have ______ access issues.
• In regards to viewing trusses with a TIC, a multitude of small squares that appear hotter than the truss itself are?
• The most common strip center variant is
• What are the two primary modes of master stream operation for fire attack?
• Which statement is true about hand lines and master streams regarding smoothbores?
• Which combination of tools is generally sufficient for gaining access in this scenario?
• What is strongly considered for interior line placement on void space fires?
• As you work away, target the most affected occupant to the least in the direction of fire travel. This often means working in the _____ plane before working ______.
• What is the total rotational travel of the deck gun?
• Regarding the use of a stream shaper with fog nozzles, which statement is correct?
• A stream shaper should always be used between the monitor and the stacked tips?
• In convergent stream, which tip size increases susceptibility?
• What is the telescoping travel length of the deck gun?
• What is the maximum end of the typical master stream nozzle flow range?
• The aerial piped waterway can use stacked smooth bore tips. Which sizes are available?
• In regards to monolithic structures, _____, ______, ______ are key.
• What is the minimum and preferred number of 3-inch lines to the triams?
• When ringing a second alarm, designate a staging area at least ______ away from the main structure.
• What is the minimum operating pressure recommended for most automatic constant flow fog nozzles?
• For first arriving trucks at a strip center fire, what is the sequence of priorities?
• Which set of terms represents the three elements identified as key in monolithic structures?
• Which statement best describes the typical strip center variant?
• What are the waterway size, max pressure rating, and max nozzle reaction rating of the deck gun?
• What are the two main considerations for placing the ventilation truck in a strip center?
• These structures may have undergone renovations or modifications without permits or observance of building code. Which statement best describes this possibility?
• Traditionally, anything smaller than which size was considered a hand line for smoothbores?
• The only constant for the truck is this......
• How many stacked smooth bore tips does the Blitz Fire have, and what are their sizes?
• At commercial strip centers, which should get priority placement at the front of the building as fire location and size dictates?
• Some apparent pitched roofs on monolithic structures are designed to hide large HVAC units or communications equipment from street view. Which option best describes this design feature?
• Which statement is NOT one of the four major components that determine the quality of master stream operation?
• When first connected to a permanent water supply, the engine operator should observe and note the initial psi on the intake gauge. In most cases it will be around what psi?
• What is the greatest threat at monolithic structures?
• In a monolithic multifamily frame on top of a tilt slab storefront, how many stories above the first floor are typically residential?
• In strip centers, the open web steel bar truss is generally ____ except at wall ends.
• Which architectural feature commonly increases fire spread risk in type three taxpayers and affects firefighting operations?
• Which statement best describes the relationship of the long wall to the truss direction in many strip center fires?
• If the rescue is above the fourth floor, the effective reach of your ladder will be 6-7 stories.
• What is the only advantage of a failed storefront window?
• The blitz fire nozzle is adjustable between how many degrees above horizontal?
• Ice accumulation threshold at which the latter pipe should be shut down and drain, followed by retracting and extending the ladder to knock ice off moving parts is what?
• Recommendations for supplying the pipe to waterway, minimum of ____ 3-inch lines to the triams, preferably _____
• Which are the three basic components of the delivery system that impact the pressure received at the nozzle?
• Which statement about elevation loss estimation is correct when considering PRVs on a standpipe riser?
• The trucks ability to best support the engine begins with
• If wind conditions exceed the safe limit, what is the recommended course of action?
• Which option describes water curtain (fog) use for protecting exposures?
• Our trucks are capable of short setting but the turntable can only be rotated ____ degrees to the short set side.
• Dallas fire engines are rated at ______ gpm at _____ psi
• A well trained firefighter should be able to deploy the blitz fire unassisted up to ____ hose links from the engine, and a properly supplied blitz fire can deliver over ____ gpm.
• The goal is to peel open the structure to expose the voids in which dimension?
• Which action is the final step in the bed-down sequence?
• Most professionals agree on a minimum of _____ minutes before reentry after a master stream operation.
• The simplest version of a combination fog nozzle offers two settings, which are they?
• At commercial strip centers, which area provides the most probable avenue of rapid fire spread?
• In pump terminology, which terms are used interchangeably to describe pressure?
• Fire crews must be quick to request what on any suspected fire?
• In high-rise operations, committing resources to a successful fire attack is often the best way to save most lives. Which option below completes this best practice?
• What is the nozzle pressure range maintained by master stream automatic fog nozzles across their flow range?
• What is the deck gun's telescoping travel length and its cable length?
• What is the typical internal ceiling height of the frame construction above the storefront?
• Which factor determines the proper front-of-building positioning in strip center fires?
• What is the waterway size on the deck gun?
• During ascent, what distance should crewmembers maintain to minimize fall hazards?
• For this reason, compromised wood trusses with gusset plates pose a greater hazard than their steel counterparts. Which option correctly identifies the truss type and component involved?
• In regard to strip center construction, after gaining access to the structure and before advancing to the roof, what should firefighters use to inspect the roof construction from the underside?
• It would be safe to assume that if knock down is not achieved after how many minutes for most moderate structures and after how many minutes for most large structures, crews should prepare for a long-duration operation?
• Which variant is most likely not to be sprinklered?
• Which value is a specified threshold mentioned in the procedure?
• Complete the statement: Always knock down the ____ of the fire first, then follow the fire vertically from the ____ to the ____.
• Which action comes immediately before bed in the bed-down sequence?
• What is the upper bound of the blitz nozzle's above-horizontal range?
• What is the diameter of the waterway at the tip of the Crimson rear mount waterway?
• It is important to establish access in which part of the structure before advancing to the roof?
• What is the correct order to set the aerial ladder?
• What are the max pressures for the following tip sizes: 2 inch, 1.75 inch, and 1.5 inch or 1.375 inch?
• In regards to monolithic structures, any indication of smoke or fire should result in an immediate ______ ______.
• The blitz fire nozzle range is manually adjustable between ____ degrees and ____ degrees above horizontal, and ____ degrees to either side of center.
• Recommendations for supplying the pipe to waterway, position the pump as close to the truck as possible, preferably within ____ hose lengths.
• What is the theoretical reach of an aerial stream, and what is the practical reach?
• What is the additional tip equipment load allowance?
• What is the maximum nozzle reaction rating of the deck gun?
• When placing an apparatus in a defensive position, ______ placement is preferred.
• Which statement best describes the bed-down sequence?
• Which combination should be used to achieve 1250 GPM on a deck gun requiring maximum GPM?
• In most cases it is not advisable to be more than ______ Times the length of your bedded ladder away from the structure
• Which statement correctly summarizes the role of master streams in relation to engine operations?
• In volume mode, the CMU pump is capable of flowing how many gpm and maintaining approximately what discharge pressure range on the compound gauge?
• You should pump _____ psi to the rear of the truck.
• The turntable rotation for the short set side is specified as
• If a master stream is indicated upon arrival, transitional attack or quick attack, the ______ Gets priority placement
• What is the name of the automatic fog nozzle on the deck gun?
• Which action is performed first in the proper bed-down sequence?
• Which cut is used to gain access through rollup doors without creating new thermal currents?
• The average large room space in most departments is approximately how many square feet?
• In most cases, the structural threat in a Type III taxpayer is which condition?
• What three aspects should responders identify about trusses when assessing a strip center?
• Friction loss in 3 inch lines will be calculated at _____ psi per section.
• The frame construction above the storefront often has how many feet of void space between floors?
• Which term describes a nozzle with a fixed discharge rate?
• Which construction feature is commonly associated with the flat roof of strip centers?
• Place the pump in pressure mode for the following high-rise scenarios: 1) standpipe riser is not PRV'd and the fire is over the 10th floor; 2) the standpipe riser IS PRV'd and the building exceeds 10 stories.
• True or False: In volume mode the pump is capable of supplying a rear mount aerial piped waterway at maximum reach.
• Which hydrant color corresponds to a minimum flow of 1500 gpm?
• First arriving trucks on multi-family structures with interior stairwells must make their initial placement with a consideration for ______.
• On grades where the turntable is out of level by more than 6 degrees, capacities are reduced by what percent?