FAE Illinois 2025/2026 Exam – 130+ Verified Questions & Answers | NFPA Standards, Foam Systems, Pump Theory, Hydrant Classes & Strainer Operations

This expertly curated resource includes 130+ real exam-based questions and answers for the Fire Apparatus Engineer (FAE) certification in Illinois, updated for the 2025/2026 academic year. Every question is paired with a verified correct answer to ensure accuracy and exam-readiness. The material is structured in an efficient flashcard-style format, allowing quick memorization while reinforcing real-world application. The content spans across a wide scope of critical operational and theoretical knowledge, including: • Pump discharge pressure (PDP) and nozzle reaction formulas • Friction loss, flow rates, appliance losses, and hydraulic principles • Master stream and fog nozzle operations • NFPA 1002, 1901, 1911, 1931, 291, and 1983 codes • Class A and Class B foam usage, foam percentages, and eductor systems • Fire hydrant classifications and color coding (Red, Orange, Green, Blue) • Types of strainers (floating, barrel, low-level) and drafting limitations • Relay pumping logistics, nurse tender operations, water hammer prevention • Apparatus inspection benchmarks, spring brake safety checks, and tread depth requirements This document is especially suited for those preparing for state-specific certification in Illinois, but also offers tremendous value for broader FAE and firefighting certification pathways. Recommended for: • Fire Apparatus Engineer (FAE) candidates in Illinois • Firefighter I & II students nationwide • NFPA-based driver/operator training programs • Emergency Vehicle Technician (EVT) certification prep • Students enrolled in Fire Science or Fire Technology programs • Fire academy recruits preparing for written or performance exams • Fire service professionals preparing for department promotion exams It’s an all-in-one reference guide that supports fast review, deep retention, and confident test-taking. Keywords: FAE Illinois, NFPA 1002, pump theory, foam systems, fire hydrant GPM, PDP calculation, friction loss, strainer types, NFPA 1901, eductor, nurse tender, master stream, fog nozzle, fire apparatus inspection, firefighting hydraulics