Q787
The washing machine works on the principle of
A.
Dialysis
B.
Diffusion
C.
Reverse osmosis
D.
Centrifugation
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
A washing machine by spinning at 800-1600 rpm helps soap and dirt with it to leave the surface of the cloth via centrifugal force and into outlet pipes hence utilizing centrifugation to both clean and partially dry the clothes loaded in it.