1.

Normally what is the pressure under which centrifugal blowers operate?

A. 0.35-0.7 kg/cm<sup>2</sup>
B. 0.5 -0.7 kg/cm<sup>2</sup>
C. 0.35 kg/cm<sup>2</sup>
D. 0.35-0.5kg/cm<sup>2</sup>
Answer» B. 0.5 -0.7 kg/cm<sup>2</sup>


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