This topic contains a solution. Click here to go to the answer

Author Question: The two types of bi-metallic devices are: What will be an ideal ... (Read 31 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
The two types of bi-metallic devices are:
 
  What will be an ideal response?

Question 2

What is the purpose of the refractory?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dellikani2015

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Spiral and conical.

Answer to Question 2

The refractory reflects and concentrates heat in the combustion area of the heat exchanger to improve combustion efficiency.



s.tung

  • Hero Member
  • *****
  • Posts: 577

dellikani2015

  • Sr. Member
  • ****
  • Posts: 332

 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

For a complete list of videos, visit our video library