(A) Reaming (B) Counter - boring (C) Counter - sinking

Question

Match List – I with List – II and select the correct answer using the codes given below the lists                      

         List – I

(A) Reaming

(B) Counter  - boring

(C) Counter  - sinking

(D) Spot facing

         List – II

1.   Smoothing and squaring surface around the hole for proper seating

2.   Sizing and finishing the hole

3.   Enlarging the end of the hole

4.   Making a conical enlargement at the end of the hole

Codes:                                                   

             A        B         C         D

(a)        3        2          4          1

(b)        2        3          1          4

(c)        3        2          1          4

(d)        2        3          4          1