NZ Fire Service Practice Test 2026

About the Real FENZ Firefighter Aptitude Test

The FENZ firefighter selection process includes a written aptitude test designed to assess whether applicants have the cognitive skills required for complex, high-pressure firefighting decisions. The test covers two main sections:

• General Ability (12 questions) — verbal and numerical reasoning combined: reading comprehension, logical deduction from written passages, word analogies, arithmetic, flow rates, percentages, and practical measurement problems
• Mechanical Comprehension (15 questions) — levers and moments, pulleys and mechanical advantage, gear ratios via belts, water pressure and fluid dynamics, springs and Hooke's Law, heat transfer, and ladder angle calculations using Pythagoras

Why Mechanical Comprehension Matters Most

The mechanical comprehension section catches many applicants off-guard. Most people haven't studied levers, pulleys, or gear ratios since school — if at all. Questions require understanding of physical principles applied to firefighting equipment: ladder angles, hose pressures, pump speeds, and hydraulic spreaders.

This section cannot be bluffed. It requires familiarity with the underlying concepts. TestReady's mechanical questions explain every answer in plain English so you understand the principle, not just the answer.