Hydraulics, water supply, and exam prep for fire pump operators. Every article works the numbers in psi and kPa, and every one ends at the panel.
How to draft water with a fire pump: lift and altitude, hard suction and strainer setup, the priming checklist, air leaks, cavitation, and the evolution in order.
October 1, 2026 · 11 min read
The fire hose friction loss formula FL = C × Q² × L, a coefficient chart for 1½ to 5 inch hose in imperial and metric, a per-100-ft quick table, and worked examples.
October 1, 2026 · 9 min read
A study guide for the NFPA 1002 driver/operator pumper exam: what the written and practical tests cover, the math to master, a six-week plan, and sample questions.
October 1, 2026 · 10 min read
Hydrant flow tests under NFPA 291: static, residual and pitot pressure, the flow formula, colour classes, projecting flow to 20 psi, and fireground estimates.
October 1, 2026 · 11 min read
The pump discharge pressure formula explained: nozzle pressure, friction loss, elevation, and appliance loss, with four worked examples in psi and kPa.
October 1, 2026 · 10 min read
The simulator runs the same hydraulics these articles explain. Set the pressure, open the valve, and watch the gauges respond.