____ duct systems have large ducts installed through the center of the house with smaller ducts run off the trunks to supply individual rooms.
A. Trunk and branch
B. Radial
C. Spider
D. Plenum
Answer: A
You might also like to view...
The ____ of a milling machine can hold and rapidly spin a variety of different cutting tools, including drill bits.
A. ream B. end mill C. spindle D. drill hold
Using a 1:10 scale on an engineer’s scale, a measurement of 3" on a drawing would equal _____.
a. 5 feet b. 10 feet c. 20 feet d. 30 feet
The accompanying figure shows an assortment of mechanical symbols. What is the second symbol from the top?
A. Rectangular ceiling diffuser B. Round supply duct turned down C. Flexible connection D. Transition
Amigo Mobility, which manufactures battery-powered mobility scooters, has $700,000 to invest. The company is considering three different battery projects that will yield the following rates of return: Deep cycle = 28% Wet/flooded = 42% Lithium ion = 19% The initial investment required for each project is $200,000, $100,000, and $400,000, respectively. If Amigo’s MARR is 15% per year and it invests in all three projects, what rate of return will the company make?
What will be an ideal response?