मुख्य मजकुराकडे जा

State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · प्रश्न 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

उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (B) Centrifugation

स्पष्टीकरण

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

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