Multiple choice general knowledge

The working principle of a washing machine is

  1. Diffusion

  2. Reverse Osmosis

  3. Dialysis

  4. Centrifugation

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Washing machines work on the principle of centrifugation - spinning the drum at high speed forces water out of wet clothes through the drum holes. This is the same principle as centrifuges used in laboratories. Diffusion, reverse osmosis, and dialysis are not relevant to washing machine operation.