Question

Match List I with List II and select the correct answer using the code given below the lists:                             

               List – I

A. Nickel

B. Chromium

C. Tungsten

D. Vanadium

           List – II

1.   Increases tensile strength in medium carbon steels

2.   Imparts hot hardness to steel

3.   Imparts hardness with high strength

4.   Increases toughness of steel

Codes:

      A        B         C         D

(a) 4        3          2          1

(b) 1        3          2          4

(c) 4        2          3          1

(d) 1        2          3          4