40 TOP REFRACTORY TECHNOLOGY Online Test – Multiple Choice Questions and Answers

1. Electrical resistor bars are made of

 
 
 
 

2. With increasing alumina content, the fusion point of high alumina refractories

 
 
 
 

3. Fireclay refractories have

 
 
 
 

4. Which is not an alumino-silicate refractory?

 
 
 
 

5. Spalling resistance of a refractory can not be increased by

 
 
 
 

6. Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material?

 
 
 
 

7. Refractoriness under load (RUL) is the most important property for the refractory bricks

 
 
 
 

8. Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)

 
 
 
 

9. Which is a basic refractory ?

 
 
 
 

10. Which of the following is not a neutral refractory ?

 
 
 
 

Question 1 of 10

One thought on “40 TOP REFRACTORY TECHNOLOGY Online Test – Multiple Choice Questions and Answers

Leave a Reply

Your email address will not be published. Required fields are marked *