ప్రధాన కంటెంట్‌కు వెళ్లండి

State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ప్రశ్న 113

What is the working principle of a washing machine (dryer)?

Diffusion
Centrifugation
Dialysis
Reverse osmosis
None of the above / More than one of the above

సమాధానం చూపించు & వివరణ

సమాధానం: (B) Centrifugation

వివరణ

The spin cycle uses centrifugal action to separate water from clothes.

(A) తప్పు
Wrong: not the principle.
(B) సరైనది
Correct: spinning throws water out of clothes.
(C) తప్పు
Wrong: not the principle.
(D) తప్పు
Wrong: used in water purifiers.
(E) తప్పు
Wrong: only one of the options A–D is correct.