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 146 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?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library