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 167 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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

For a complete list of videos, visit our video library