[Answered] The two types of bi-metallic devices are: What will be an ideal ...

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s.tung

Hero Member
Posts: 577

on: Jul 26, 2018

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?

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dellikani2015

Sr. Member
Posts: 332

Reply #1 on: Jul 26, 2018

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

Reply #2 on: Jul 26, 2018

dellikani2015

Sr. Member
Posts: 332

Reply #3 on: Jul 26, 2018

You're welcome

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