Question

Match List – I (Machining process) with List – II (Associated medium) and select the correct answer using the codes given below the lists:                             

         List – I                                List – II

(A) Ultrasonic machining  1. Kerosene

(B) EDM                                       2.Abrasive slurry

(C) ECM                                       3. Vacuum

(D) EBM                                      4. Salt solution

Codes:

             A        B         C         D

(a)       2        3          4          1

(b)       2        1          4          3

(c)       4        1          2          3

(d)      4        3          2          1