The reason for using a reducing plenum system is to ____.
A. reduce maintenance costs
B. reduce the operating cost of the system
C. provide easier means of fastening the takeoff fittings
D. maintain a constant pressure throughout the length of the trunk duct
Answer: D
You might also like to view...
The water in streams, lakes, and oceans is
What will be an ideal response?
Most experiments require the use of purpose bred animals—those bred for a particular trait or whose genealogy or physiology must be known for the experimental results to be valid. Such animals are available from breeders and professional dealers
A. True B. False
The bore of an engine is 94.6 mm. Find the radius of each cylinder
A) 189.2 mm B) 47.3 mm C) 9.46 cm D) None of these
Oversized equipment operates:
A) More efficiently than correctly sized equipment. B) About the same efficiency, but also has reserve capacity. C) At the same efficiency as correctly sized equipment. D) Less efficiently than correctly sized equipment.