« previous next »

Author Question: According to their k values, which material is a better insulator: expanded polystyrene or expanded ... (Read 92 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jul 26, 2018
According to their k values, which material is a better insulator: expanded polystyrene or expanded polyurethane?
 
  What will be an ideal response?

Question 2

List the 5 major electrical devices in the heating circuit diagram in Figure 50-30.
 
  What will be an ideal response?


tuwy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 26, 2018
Answer to Question 1

Polyurethane is a better insulator because it has a lower k-factor.

Answer to Question 2

The fan motor, the 24 V automatic gas solenoid, the combination blower and limit control, the step down transformer, and the room thermostat.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

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

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Tonsils, lymph nodes, thymus, spleen, and lymphatic vessels with an expanded view of a lymph node. Tonsils, lymph nodes, thymus, spleen, and lymphatic vessels with an expanded view of a lymph node.
Lab values Lab values
Older participants remember more information than younger participants when material has emotional ... Older participants remember more information than younger participants when material has emotional ...
Sheets are the most commonly used draping material. Sheets are the most commonly used draping material.
The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ... The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ...
How to create a table of values displaying commission and earnings (Question 2) How to create a table of values displaying commission and earnings (Question 2)
Video: Neurotransmission at chemical synapses & Excitory and inhibitory potentials

For a complete list of videos, visit our video library