question_answer

Which of following pairs are correctly matched?

1.  Silicon steels .......... transformer stamping

2.  Duralumin .......... cooking utensils

3.  Gun metal.........bearings.

Select the correct answer using the codes given below:

Codes:

A) 1, 2, and 3                    

B) 1 and 2

C) 1 and 3            

D) 2 and 3