12. The blower you purchased for a local exhaust system is currently operating at 10,000 ft³ per min at -3.0 in. wg FSP
Posted: Sat Jul 09, 2022 12:22 pm
12. The blower you purchased for a local exhaust system is currently operating at 10,000 ft³ per min at -3.0 in. wg FSP using a 2.0-bhp motor running at 500 rpm. If you now need to increase the exhaust to 20,000 ft³ per min, how fast must the fan turn in rpm to achieve the new Q of 20,000 ft' per min? In addition, calculate the effects of this increase in Q on the FSP and bhp. I