HVAC drill: Basic science

10 questions · Untimed · Every option explained

Matter, combustion, pressure, gas laws, simple machines, air and fluid basics and formula work. Ten questions from our basic science bank, with an explanation for every option.

Line drawing of a gas burner flame, a pressure gauge with a blank dial, a belt drive with a small and a large pulley, and a lever on a fulcrum

Before you start

Every question has four options and one best answer.
Check each answer to see why every option is right or wrong before moving on. Checked answers cannot be changed.

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