【Daily Question】Utilities - HVAC - 20190128
Thread Content
For rooms where clean indoor air is required, choosing ( ) to maintain positive pressure indoors is the correct approach. A. The sum of natural air intake and mechanical air intake is equal to the sum of natural air exhaust and mechanical air exhaust. B. Mechanical air intake is greater than mechanical air exhaust. C. Mechanical air intake is greater than the sum of mechanical air exhaust and natural air exhaust. D. The sum of natural air intake and mechanical air intake is less than the sum of natural air exhaust and mechanical air exhaust. Answer: C
C. The mechanical air intake volume is greater than the sum of the mechanical exhaust volume and the natural exhaust volume
C. The mechanical air intake volume is greater than the sum of the mechanical exhaust volume and the natural exhaust volume
C. The mechanical air intake volume is greater than the sum of the mechanical exhaust volume and the natural exhaust volume