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 55 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
Thanks for the timely response, appreciate it

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Interaction web of factors that might influence locust population size. Interaction web of factors that might influence locust population size.
Solar Energy Input Varies with Latitude Solar Energy Input Varies with Latitude
Ettore Sottsass, "Carlton" Room Divider. Ettore Sottsass, "Carlton" Room Divider.
Normal combustion is a smooth, controlled burning of the air–fuel mixture. Normal combustion is a smooth, controlled burning of the air–fuel mixture.
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ... A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
Male Reproductive System - Ejaculatory ducts Male Reproductive System - Ejaculatory ducts
Video: HDL (high density lipoprotein)

For a complete list of videos, visit our video library