Question

Match List I (Blades) with List II (Features) and select the correct answer :

List I                                 

A. Ceramic blades

B. Steam turbine blades

C. Alloy steel blades

D. Compressor blades

List II

1. High creep strength

2. Forged and machined

3. Precision cast

4. Thick at mid chord

5. Thin trailing edge

             A         B         C         D

a.         2          1          5          4

b.         3          4          5          1

c.         2          4          3           5

d.         3          2          1          5