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EVT Fire Apparatus

F2 Design & Performance Standards — practice test

F2 is the standards test: what NFPA says an apparatus has to be built like and has to do, from the spec sheet through the delivery tests. It is open book (bring clean copies of the standards and verify the current EVT rules, since NFPA 1900 absorbed 1901 and 1911), and that is exactly why guys fail it - they walk in planning to look everything up, burn ten minutes on question four hunting for a table, and run out of clock. The other half fail because they answer from how their shop builds trucks instead of what the standard actually requires.

Studying for F2 (Design & Performance Standards)? Overhaul Prep has 238 verified F2 questions written to the current task list — in the same formats the real exam uses (direct, Technician A/B, EXCEPT and most-likely-cause). Every answer comes with a written explanation, so you learn why instead of memorising a letter.

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What's on the F2 test

F2 is NFPA 1901 and 1911 territory (now consolidated into NFPA 1900), tested chapter by chapter. Expect general requirements, the apparatus-type minimums for pumper, initial attack, mobile water supply, aerial and quint, then the component chapters: chassis and vehicle components, low voltage electrical and warning devices, driving and crew areas, body and equipment mounting, pumps, water tanks, aerials, foam, CAFS, line voltage and air systems. Roughly 50 to 60 scored questions. The weight sits in chassis, low voltage and warning devices, and pump and tank. Aerial, foam, line voltage and air are only a few questions each - but they are free points if your book is tabbed.

High-yield F2 topics

The material that shows up year after year. If you're short on time, start here.

  • Apparatus-type minimums, cold. Pumper: 750 gpm pump minimum, 300 gal tank minimum, 30 cu ft hose bed for 2.5 in or larger, two 3.5 cu ft preconnect areas, 40 cu ft compartment space, and the ladder complement (24 ft extension, 14 ft roof, 10 ft folding). Initial attack: 250 gpm / 200 gal. Mobile water supply: 1000 gal minimum with the dump/fill rate spec. Quint: 1000 gpm, 300 gal, 85 ft of ground ladders, permanently mounted waterway. These get scrambled across answer choices on purpose - if you only memorize one table, memorize this one.
  • Chassis performance numbers from the general/chassis chapters. Loaded to estimated in-service weight the rig must accelerate 0-35 mph in 25 seconds and 0-50 mph in 60 seconds on level pavement, and stop from 20 mph inside 35 ft. Auxiliary braking (retarder or engine brake) is required at 36,000 lb GVWR and above. Top speed is capped at 68 mph over 26,000 lb GVWR, and drops to 60 mph once you hang a tank over 1250 gal on it. Side-to-side weight on any axle has to be within 7 percent. In-service weight cannot exceed GAWR or GVWR - that is why the loose-equipment allowance exists.
  • The post-2009 safety stack. This is where the standard grew and where the test lives: the DO NOT MOVE APPARATUS light plus audible alarm whenever a door, ladder rack, or other device is open or deployed; seat belt warning system with every seating position enclosed and belted; tire pressure indicators; backup alarm; electronic stability control. Know the vehicle data recorder cold - what it logs (speed, acceleration, deceleration, engine rpm and throttle, ABS event, seat occupied and belt status, master optical warning switch position, time and date) and the retention split: one-second intervals for the last 48 engine hours, minute-by-minute for the last 100.
  • Warning devices and conspicuity. Four zones - A front, B right, C rear, D left - and two modes: calling for the right of way and blocking the right of way. The point they test: in blocking mode the forward-facing lights that call for right of way must be shut down so you are not blinding oncoming traffic at a scene. Then the visual stuff: retroreflective chevrons on the rear in red and fluorescent yellow-green, 6 in wide, inverted V at 45 degrees, covering at least 50 percent of the rear vertical surface, and a 4 in minimum reflective stripe running at least 50 percent of each side.
  • Pump certification versus everything else. The third-party acceptance test is from draft at a 10 ft lift: 100 percent capacity at 150 psi net for 2 hours, 70 percent at 200 psi, 50 percent at 250 psi, plus the overload run at 100 percent / 165 psi. Dry vacuum: pull 22 in Hg, lose no more than 10 in Hg in 5 minutes. Prime within 30 seconds (longer allowance on the big pumps). The pressure control device has to hold the rise to 30 psi or less when you shut discharges down. Tank-to-pump flows 500 gpm on tanks 500 gal and up. Intake relief is required, not optional.
  • Equipment mounting and the crew area. Nothing loose rides in the cab. Equipment in the driving and crew area is either in a compartment with a positive latching door or in a bracket engineered to hold 9 G. SCBA in a seat back needs a positive mechanical latch - friction hold does not count, and that exact distinction shows up as an answer choice. Hose beds need restraint so a load cannot pay out on a turn. Add the climbing stuff: slip-resistant walking surfaces, handrails at every climbing position, step height and step area minimums.

Where techs lose points on F2

Good technicians miss these — not from lack of skill, but because the question is built to catch them.

  • Answering from your shop instead of from the book. NFPA is a floor, not a build sheet. Your dealer may spec a 1500 gpm pump on every pumper - the standard still says 750 gpm minimum, and that is the answer. Same trap with department SOPs and manufacturer literature. If the stem says shall, it wants the standard.
  • Mixing up the new-apparatus standard with the in-service standard. The acceptance test - 2 hours at 100 percent and 150 psi from draft at 10 ft of lift, third party certified - is a delivery requirement. The annual service test on a rig already in the barn is a different document with different parameters. Watch the stem for new, at delivery, in service, or annual. That single word flips the answer.
  • Treating annex material as a requirement. The 15-year-to-reserve / 25-year-retirement guidance and most of the load-analysis examples are annex recommendations, not shall statements. Test writers absolutely will hand you an annex recommendation and ask if it is required. If it is not in a numbered chapter with a shall, it is not a requirement.
  • Locking onto one number when the standard has a threshold. Top speed is the classic - people bubble 68 mph every time and miss that a tank over 1250 gal drops it to 60. Same with the 36,000 lb GVWR trigger for auxiliary braking and the pump-size prime time allowances. The look-alike answer is usually the number that is right for a different condition.

A study plan that works for F2

Roughly two weeks of real preparation, in the order that actually builds on itself.

  1. Days 1-3: Confirm which editions EVT is testing to and get those books in your hands. Do not study anything yet - build the chapter map. Read the general requirements chapter, then the type chapter for whatever you actually work on (pumper, aerial, quint). Tab every table. Tabs are your real test-taking tool.
  2. Days 4-9: Grind the component chapters - chassis and vehicle components, low voltage electrical and warning devices, driving and crew areas, body and equipment mounting. This is the bulk of the exam. Build a one-page number sheet as you go: acceleration and braking specs, top speeds, GVWR thresholds, the 7 percent, 9 G, chevron and stripe dimensions, VDR data elements and retention. Rewrite that sheet from memory every morning.
  3. Days 10-13: Pumps and associated equipment, water tanks, aerial devices, foam, CAFS, line voltage, air systems. The last four are a handful of questions each, but they are the cheapest points on the test if you know which tab to hit. Same day, run 1901 and 1911 side by side and force yourself to say out loud which one owns each test - acceptance versus annual service, new versus in-service.
  4. Days 14-16: Timed practice only, book in hand, with a hard 90-second-per-question limit. Practice the skill the exam is really measuring: read the stem, decide the chapter, find the paragraph, answer, move. Anything you had to look up twice goes on the number sheet and gets memorized instead. Walk in able to answer half the test without opening the book.

Sample F2 questions

Straight from the bank — answers highlighted, with the explanation underneath.

Per NFPA 1901, what is the minimum rated fire pump capacity required for an apparatus to be classified as a pumper?

  1. 500 gpm (1893 L/min)
  2. 750 gpm (2839 L/min)
  3. 1000 gpm (3785 L/min)
  4. 1250 gpm (4731 L/min)
WhyNFPA 1901 defines a pumper as a fire apparatus with a permanently mounted fire pump of at least 750 gpm (2839 L/min), a water tank, and a hose body. 500 gpm is below the pumper threshold, and 1000/1250 gpm are common but not the minimum.

Two technicians are discussing the optical warning system on a fire apparatus. Technician A says the warning zones are designated A through D, with Zone A at the front and Zone C at the rear. Technician B says that when the apparatus is stopped at an incident and placed in the 'blocking the right-of-way' mode, the forward-facing white/clear warning lights are allowed to be automatically switched off. Who is correct?

  1. Technician A only
  2. Technician B only
  3. Both Technicians A and B
  4. Neither Technician
WhyBoth are correct: NFPA 1901 designates Zones A (front), B (right), C (rear), and D (left), and it requires that forward-facing white/clear flashing lights be capable of being automatically disabled in the blocking (scene) mode to avoid blinding oncoming motorists.

During hard braking on a response, an SCBA ejects from its seat-back bracket and strikes an occupant. What is the MOST likely cause?

  1. The seat belt was adjusted too tightly
  2. The bracket's positive-locking retention was worn, not engaged, or non-compliant
  3. The SCBA cylinder was overfilled
  4. The apparatus exceeded its GVWR
WhyAn SCBA that leaves its holder under a normal braking load points to a failed, disengaged, or under-rated retention device, which must hold 9 G; belt tension, cylinder fill, and GVWR would not cause the bracket to release.

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