A central station air-handling unit: A) Combines the functions ...

[lunatika]

A central station air-handling unit:
 
  A) Combines the functions of the evaporator blower and the condenser blower.
  B) Consists of a fan and coil and usually handles a single room or zone.
  C) Is used instead of a fan and fan motor.
  D) Is used for large systems and is assembled on site using separate components.

Question 2

Once a technician works on a system, what else should he or she do?
 
  A) Check for gas leaks. B) Increase household ventilation.
  C) Do nothing else. D) Open the gas flow valve.

[katara]

Answer to Question 1

D

Answer to Question 2

A

[lunatika]

TYSM

[covalentbond]

Gracias!