EIAT Study Guides

The Joint Apprenticeship Committee (JAC) scoring rubric, tool test, and ranking strategy

Traction, hydraulic, and MRL — what makes each different

Every major part — what it is, where it lives, what it does

Types, ratios, direction of rotation — and why worm gears matter

Mechanical advantage from pulleys and how elevator roping works

The principle behind every gear, pulley, lever, and ramp

Three classes of levers, force calculations, and real-world examples

Pascal's Law, cylinders, and how hydraulic elevators work

The three physical quantities that describe how elevators move loads

How counterweights are sized and why they save energy

Every safety device, when it activates, and why it's fail-safe

Ohm's Law, Watt's Law, Series vs. Parallel resistance calculations