This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What size should the combustion air ducts be for a room with a 60,000 BTU/hr input furnace and a ... (Read 58 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
on: Jul 24, 2018
What size should the combustion air ducts be for a room with a 60,000 BTU/hr input furnace and a 16,000 BTU/hr water heater if the air is traveling through horizontal ducts?
 
  A) The size is irrelevant so long as there are combustion air vents.
  B) 76,000/1,000 = 76 sq in free area each
  C) 76,000/2,000 = 38 sq in free area each
  D) 76,000/4,000 = 19 sq in free area each

Question 2

When the temperature of the rejected condenser air is much warmer than usual, it can be an indication that:
 
  A) The compressor is dirty. B) The condenser coil is dirty.
  C) The evaporator coil is dirty. D) The filter is dirty.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

B


jilianpiloj

  • Member
  • Posts: 521
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

The Grants and natural selection of beak size among the medium ground finch. The Grants and natural selection of beak size among the medium ground finch.
Genetic drift and population size. Genetic drift and population size.
Muscle strength and size. Muscle strength and size.
Cleaning the Examination Room Cleaning the Examination Room
What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ... What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ...
Changes in the size of the thoracic cavity during the respiratory cycle Changes in the size of the thoracic cavity during the respiratory cycle
Video: Heart Chambers

For a complete list of videos, visit our video library