Which of these devices is NOT used to control the airflow in an HVAC system?
A) Electric motor
B) Vacuum motor
C) Exciter module
D) Cable
C) Exciter module
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When a small gear is driving a large gear, gear reduction is taking place.
Answer the following statement true (T) or false (F)
Critical parts or welds are usually ____ percent tested.
A. 50 B. 75 C. 95 D. 100
Young trees with thin bark are susceptible to ____________________ injury until their bark thickens
Fill in the blank(s) with correct word
A total of $50,000 was allocated to a project to detect and reduce insider theft in the ZipCar auto parts store. Two alternatives identified as Y and Z are under consideration. The overall ROR on the $50,000 is expected to be 40%, with the rate of return on the $20,000 increment between Y and Z at 15% per year. If Z is the higher first-cost alternative, (a) what is the size of the investment required in Y, and (b) what is the rate of return on Y?
What will be an ideal response?