Which type of humidifier uses the most water? A) Rotating-drum ...

[dollx]

Which type of humidifier uses the most water?
 
  A) Rotating-drum B) Plate C) Bypass D) Rotating plate

Question 2

What causes flue gas condensation?
 
  A) Water naturally condenses on metal surfaces.
  B) Operating the furnace during times of high relative humidity
  C) Cold air being pulled through the vent on the off cycle drops the vent temperature below the dewpoint of the surrounding air.
  D) The flue gas is cooled below the dewpoint of the combustion gas.

[sarajane1989]

Answer to Question 1

C

Answer to Question 2

D

[dollx]

Gracias!

[Jossy]

Thanks for the timely response, appreciate it