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The efficiency of a spray chamber scrubber is 95% for 20 μm particles. Everything else being constant, what is the efficiency for 10 μm particles?

a. 48%

b. 53%

c. 78%

d. 95%

Respuesta :

Answer : The correct option is, (a) 48 %

Explanation :

As we are given the efficiency of a spray chamber is, 95 %

Using unitary method :

If the efficiency of [tex]20\mu m[/tex] particles is 95 %

Then, the efficiency of [tex]10\mu m[/tex] particles will be = [tex]\frac{10\mu m}{20\mu m}\times 95\%=47.5\%\approx 48\%[/tex]

Therefore, the efficiency for [tex]10\mu m[/tex] particles is, 48 %

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