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

Author Question: A Category IV furnace operates with a: A) High-temperature, positive-pressure vent. B) ... (Read 107 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
on: Jul 24, 2018
A Category IV furnace operates with a:
 
  A) High-temperature, positive-pressure vent. B) Low-temperature, positive-pressure vent.
  C) High-temperature, negative-pressure vent. D) Low-temperature, negative-pressure vent.

Question 2

What components are added to make a two-stage furnace?
 
  A) An extra set of burners and an extra gas valve
  B) Electric heat strips and a second stage sequence
  C) A two-stage gas valve, two draft proving switches, and a two-speed induced draft fan
  D) A second heat exchanger and an electric vent gas damper


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rekilledagain

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

C


neverstopbelieb

  • Member
  • Posts: 534
Reply 2 on: Jul 24, 2018
Gracias!

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Positive regulation of the lac operon by the catabolite activator protein (CAP) Positive regulation of the lac operon by the catabolite activator protein (CAP)
Blood Pressure Chart Blood Pressure Chart
Mechanism involved in renal control of blood pressure Mechanism involved in renal control of blood pressure
Apply effleurage over eyelids. Using very light pressure, stroke the closed eyelids with your thumbs ... Apply effleurage over eyelids. Using very light pressure, stroke the closed eyelids with your thumbs ...
Systolic pressure Systolic pressure
The Pathophysiology of Glaucoma (A) Slowing Rising Intraocular Pressure (I O P) The Pathophysiology of Glaucoma (A) Slowing Rising Intraocular Pressure (I O P)
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library