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 78 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?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library