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EVT Fire Apparatus

F1 Maintenance, Inspection & Testing — practice test

Studying for F1 (Maintenance, Inspection & Testing)? Overhaul Prep has 237 verified F1 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.

237F1 questions
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9,711questions in total
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Sample F1 questions

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

During the NFPA 1911 annual pump service test, at what net pump pressure must a fire pump deliver 100% of its rated capacity?

  1. 100 psi
  2. 150 psi
  3. 165 psi
  4. 200 psi
WhyThe service test mirrors the original certification points: 100% of rated capacity at 150 psi net pump pressure, 70% at 200 psi, and 50% at 250 psi. 165 psi is the overload test pressure, not the rated-capacity point.

Two technicians discuss calculating net pump pressure. Technician A says that when service testing from draft, the intake vacuum (converted to psi) is added to the discharge pressure. Technician B says that when testing from a pressurized hydrant, the positive intake pressure is subtracted from the discharge pressure. Who is correct?

  1. Technician A only
  2. Technician B only
  3. Both Technicians A and B
  4. Neither Technician
WhyNet pump pressure isolates the work the pump actually performs. From draft the intake reading is negative, so it is added; from a positive source the intake pressure is subtracted. Both statements are correct.

During the annual test, a pump that met all three points last year now needs noticeably higher engine RPM than its original certification to deliver rated capacity at 150 psi net pump pressure. This most likely indicates:

  1. The tachometer is reading low
  2. The relief valve is set too high
  3. Worn impeller wear rings / increased internal clearances (pump slippage)
  4. The discharge gauge is over-reading
WhyAs internal clearances wear, more impeller speed is needed to overcome slippage and still make rated flow and pressure, so a rising RPM-at-capacity is the classic wear indicator. Gauge, relief-valve, or tachometer faults would not require more engine speed to move the same water.

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