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

Author Question: What type of vent is used with 90 percent Category IV furnaces? A) Single-wall stainless steel ... (Read 164 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
on: Jul 24, 2018
What type of vent is used with 90 percent Category IV furnaces?
 
  A) Single-wall stainless steel
  B) Type B double-wall gas vent
  C) 90 percent efficiency furnaces do not require a vent.
  D) PVC

Question 2

Where is the refrigerant piping run from a rack system to the individual refrigerated cases?
 
  A) Through an exterior wall
  B) In trenches under the floor
  C) Refrigerant piping is not necessary because rack systems are self-contained.
  D) On top of the floor under a protective metal cover


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


kshipps

  • Member
  • Posts: 571
Reply 2 on: Jul 24, 2018
Wow, this really help

xiazhe

  • Member
  • Posts: 331
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Your heart beats over 36 million times a year.

Wall painting with horses, Chauvet Cave, Vallon-Pont-d'Arc, Ardèche gorge, France. Wall painting with horses, Chauvet Cave, Vallon-Pont-d'Arc, Ardèche gorge, France.
Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ... Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ...
The Eye and the Eye Wall—a Closer Look The Eye and the Eye Wall—a Closer Look
Proposed structure for keratin-type intermediate filaments Proposed structure for keratin-type intermediate filaments
Testcross of a single character Testcross of a single character
Example of a single-nucleotide polymorphism (SNP) Example of a single-nucleotide polymorphism (SNP)
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library