A central station air-handling unit:
A) Is used instead of a fan and fan motor.
B) Consists of a fan and coil and usually handles a single room or zone.
C) Is used for large systems and is assembled on site using separate components.
D) Combines the functions of the evaporator blower and the condenser blower.
C
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Technician A says that if a PCV valve rattles, then it is okay and does not need to be replaced. Technician B says that if a PCV valve does not rattle, it should be replaced. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
As an animal ages:
a. It produces more cartilage to replace aging bone b. It becomes less susceptible to disease c. The reproductive system secretes fewer hormones d. All answers are correct.
The canter is a three-beat gait that averages
A. 5-10 mph B. 8-10 mph C. 10-15 mph D. 15-20 mph E. None of the above
The strength or classification of a bolt is known as _________
A) Gauge B) Grade C) Pitch D) None of these