Question

   Match List I (Alloying Element) with List II (Effect on steel) and select the correct answer using the code given below the Lists:                                  

List I

A. Vanadium

B. Molybdenum

C. Silicon

D. Chromium

List II

1. Increases endurance strength

2. Improves creep properties

3. Increases hardness

4. Increases resistance to high temperature oxidation

Codes:

    A        B         C         D

(a) 2        1          3          4

(b) 1        3          2          4

(c) 2        1          4          3

(d) 1        2          4         3