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(Latest 2025 )
Master stream nozzles are used on deck guns, portable monitors, and ladder pipes that flow more than __________ gpm - CORRECT ANSWER ✔✔ 350 Smooth-bore nozzles on elevated prepped master streams are commonly rated at a nozzle pressure of ______ psi - CORRECT ANSWER ✔✔ 80 What is the formula for calculating nozzle reaction in a fog nozzle? - CORRECT ANSWER ✔✔NR= 0.0505 x gpm x SRnp Each departments fire apparatus inspection forms should reflect the __________ of the fire department and identify which items need to be checked - CORRECT ANSWER ✔✔Policies What is NFPA 1911? - CORRECT ANSWER ✔✔Standard for the inspection, maintenance, testing, and retirement of in-service automotive fire apparatus How often should aerial devices be thoroughly tested? - CORRECT ANSWER ✔✔Annually
(Latest 2025 )
As a part of the NFPA 1911 inspection, which three parts tests should be performed and timed? - CORRECT ANSWER ✔✔Full-lift, Extension, and 90-Degree Rotation What should you follow in regards to the replacement of hydraulic filters, hydraulic fluid, and proper lubricants? - CORRECT ANSWER ✔✔Manufactures recommended maintenance schedule What is the main component of the aerial device? - CORRECT ANSWER ✔✔The hydraulic system that powers it To inspect the aerial system, the first thing you should check would be what? - CORRECT ANSWER ✔✔The fluid levels How do you check the fluid levels for the aerial device? - CORRECT ANSWER ✔✔Use a dip-stick or sight glass Should the aerial stabilizers be in or out when testing the fluids for the aerial device? - CORRECT ANSWER ✔✔In What is the first step when performing an aerial inspection? - CORRECT ANSWER ✔✔Place the fing wheel chocks, and don't forget it
(Latest 2025 )
What is the order of tactical priorities? - CORRECT ANSWER ✔✔1. Rescue 2.Exposures 3.Confinement 4.Extinguishment What are the priorities for the use of the aerial apparatus? - CORRECT ANSWER ✔✔1. Rescue
- Exposure protection
- Ventilation
- Elevated streams What floor usually determines whether or not the aerial ladder is needed for rescue? - CORRECT ANSWER ✔✔Any floor above the 3rd floor In 1991, what organization adopted a new standard on aerial apparatus that improved design and load requirements of such apparatus? - CORRECT ANSWER ✔✔National Fire Protection Association (NFPA)
(Latest 2025 )
What is the NFPA standard for automotive fire apparatus? - CORRECT ANSWER ✔✔NFPA 1901 What are the 3 main types of aerial devices? - CORRECT ANSWER ✔✔Straight ladders, aerial platforms, and articulating platforms What type of construction do straight ladders have? - CORRECT ANSWER ✔✔Truss construction NFPA 1901 requires a minimum of _______ tip load capacity on straight ladders - CORRECT ANSWER ✔✔250 lbs. Elevated platforms have a minimum tip load capacity of _______ - CORRECT ANSWER ✔✔750 lbs. What two materials are aerial ladders and platforms constructed out of? - CORRECT ANSWER ✔✔Aluminum or steel What is the most common type of construction for aerial devices? - CORRECT ANSWER ✔✔Truss construction
(Latest 2025 )
Which type of stabilizers are the most common? - CORRECT ANSWER ✔✔H-type Some manufactures may describe these stabilizers as the "X-type" or scissors stabilizers - CORRECT ANSWER ✔✔A-type stabilizers Which type of stabilizer needs the most room? - CORRECT ANSWER ✔✔Fold-down (True or False) Drop-down stabilizers don't have horizontal extension? - CORRECT ANSWER ✔✔True What is the approximate height most stabilizers are able to lift the apparatus? - CORRECT ANSWER ✔✔12 to 24 inches What device prevents the aerial ladder from being activated unless all stabilizers are properly set? - CORRECT ANSWER ✔✔The rotation interlock device What feature is commonly utilized when short-jacking with an apparatus stabilizer? - CORRECT ANSWER ✔✔The override feature
(Latest 2025 )
Vertical reach of the aerial ladder is typically determined by what? - CORRECT ANSWER ✔✔The manufacturer When determining max vertical reach of the apparatus ladder, what should the angle of the apparatus be set at? - CORRECT ANSWER ✔✔75 degrees The horizontal reach of an aerial apparatus should be in accordance with what NFPA standard? - CORRECT ANSWER ✔✔NFPA 1901 The air storage cylinders should be inspected internally and hydrostatically tested per the __________________? - CORRECT ANSWER ✔✔Department of transportation regulations For most one and two family dwellings, placement of the apparatus will usually be where? - CORRECT ANSWER ✔✔front and center relative to the structure What makes the horizontal reach of an apparatus challenging? - CORRECT ANSWER ✔✔The setback from the curb or shoulder
(Latest 2025 )
_________________ is the complete extension of all stabilizers and is always the desired action - CORRECT ANSWER ✔✔Full-Jacking What type of jacking should be utilized at all times if possible? - CORRECT ANSWER ✔✔Full-Jacking What is the only type of aerial apparatus stabilizer that has the ability to be short jacked? - CORRECT ANSWER ✔✔H-Type What device is placed on the aerial apparatus to prevent the ladder from being moved - CORRECT ANSWER ✔✔Aerial rotation interlock True or False: Depending upon the call, short jacking may be used if its beneficial - CORRECT ANSWER ✔✔True At what percent should compensation be utilized in reference to even level surfaces and stabilizers? - CORRECT ANSWER ✔✔6 percent
(Latest 2025 )
Explain the process of compensating for uneven grades... - CORRECT ANSWER ✔✔Step 1: Lower the high-side stabilizers until they contact the pad (This was the only step listed) Where should you never set stabilizers... - CORRECT ANSWER ✔✔On top of curb Once the stabilizers are set both ___________ and ___________, the aerial platform can be raised, rotated, and extended - CORRECT ANSWER ✔✔Longitudinally, laterally Where are the hydraulic controls located? - CORRECT ANSWER ✔✔On a pedestal near the aerial ladder True or False: The turntable controls override the tip or platform controls, while the hydraulic controls in the pedestal override the electronic controls - CORRECT ANSWER ✔✔True (A Holtz for president 2024)
(Latest 2025 )
How many firefighters are able to occupy the tip of an aerial ladder at once? - CORRECT ANSWER ✔✔No more than 2 firefighters 100 ft of 3 1/2 in. hose pipe or hose will hold how many pounds of water? - CORRECT ANSWER ✔✔600 lbs. Under ice and snow conditions, what percent is it best not to extend past in reference to the aerial ladders length? - CORRECT ANSWER ✔✔95% of its total length If the waterway has been charged, do not shut off the flow unless... - CORRECT ANSWER ✔✔The waterway can be immediately drained Newer aerials must support at least _____ lbs at the tip, with a _____ safety factor - CORRECT ANSWER ✔✔250, 2: True or False: The driver operator should keep the aerial ladder downwind when accessing a patient - CORRECT ANSWER ✔✔False, the driver operator should keep the ladder upwind and raised above the patient to prevent premature grabbing
(Latest 2025 )
What two things should the aerial ladder be accessible for when roof work is anticipated? - CORRECT ANSWER ✔✔Access to the roof, rapid egress Within how many feet should the aerial ladder positioning be turned over to the spotter? - CORRECT ANSWER ✔✔10 ft. Maximum stability and reach are achieved when operating the aerial device off the _____ of the apparatus - CORRECT ANSWER ✔✔Rear What angle is aimed for in reference to the stream and the ladders beam? - CORRECT ANSWER ✔✔15 degrees This system generally relies on an electrically operated pump and/or manual hand-crank as a means to operate the aerial and lower it from the raised position - CORRECT ANSWER ✔✔Emergency Power System (EPS) When an emergency hydraulic pump utilizes a 12-volt battery from the chassis, what is sometimes required during operation intervals? - CORRECT ANSWER ✔✔A brief cool-down period before it can be operated again
(Latest 2025 )
This switch completely disconnects all electricity at the control box and acts as a safety measure while personnel are working on the aerial - CORRECT ANSWER ✔✔Master Power Switch What does the air gauge alarm tell you? - CORRECT ANSWER ✔✔When air inside the air cylinders are low. Similar to an SCBA, the alarm will usually make a buzzing noise and display the remaining air levels This valve is a part of the hydraulic valve and it allows hydraulic fluid to move through the system. The fluid movement is what controls the operations of the aerial ladder - CORRECT ANSWER ✔✔Spool Valve This device is a two-way speaker and volume controller that allows the fire fighter at the tip to communicate by voice-operated transmission or open mic to the driver/operator at ground level out at the turntable - CORRECT ANSWER ✔✔Aerial communication/intercom device What does the bottom of the intercom unit have, that the top does not? - CORRECT ANSWER ✔✔A push-to-talk button What is the bottom most section of the ladder called? - CORRECT ANSWER ✔✔The base section
(Latest 2025 )
What is the outermost ladder section called? - CORRECT ANSWER ✔✔The fly section What are the largest and most powerful hydraulic systems on the aerial apparatus? - CORRECT ANSWER ✔✔The lift cylinders What are POC valves and what do they do? - CORRECT ANSWER ✔✔Pilot-operated check valves, they hold the cylinders in the position requested What is the minimum flow of an aerial device per NFPA standards? - CORRECT ANSWER ✔✔1000 gpm Which device allows the ladder to turn while the waterway stays connected? - CORRECT ANSWER ✔✔The hydroelectric swivel What are the three color levels listed on the level gauge? - CORRECT ANSWER ✔✔Green, Red, and Yellow
(Latest 2025 )
What angle is the aerial device at when the device is cradled in the horizontal position? - CORRECT ANSWER ✔✔0 degrees Where is the load chart typically located on an aerial apparatus? - CORRECT ANSWER ✔✔The side of the apparatus What phase of aerial ladder operations causes the most accidents? - CORRECT ANSWER ✔✔The rotation phase What should you check when the pitot pressure is released? - CORRECT ANSWER ✔✔That the check spring part of the valve closes , and locks the fluid in, while holding the cylinder in place
