This topic contains a solution. Click here to go to the answer

Author Question: If the drain for a 90 percent efficient furnace and the drain for the air conditioning coil are run ... (Read 169 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
If the drain for a 90 percent efficient furnace and the drain for the air conditioning coil are run with a common drain, the drain should be sized:
 
  A) For the furnace drain, which is larger.
  B) To match the cross-section area of the combined drains.
  C) To handle the combined condensate output of the air conditioner and the furnace.
  D) For the air conditioning drain, which is larger.

Question 2

Why should ultraviolet germicidal lamps NOT be handled with bare hands?
 
  A) The exterior UV coating will wipe off, reducing the UV output.
  B) The residual UV in the lamp coating can cause severe burns.
  C) The coating on the outside of the lamp is toxic.
  D) The oil from your fingerprints can lead to premature failure of the lamp.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tashiedavis420

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

D

Answer to Question 2

D



jman1234

  • Hero Member
  • *****
  • Posts: 560
Both answers were spot on, thank you once again




 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

For a complete list of videos, visit our video library