Question

What are the values of diameters produced using Electrochemical drilling process?

(a) 0.01 to 0.2 mm

(b) 1 to 20 mm

(c) 30 to 50 mm

(d) 60 to 100 mm

The question was asked during an internship interview.

This interesting question is from Electro Chemical Drilling topic in section Electrochemical Processes of Advanced Machining

Answer 1

Right choice is (b) 1 to 20 mm

For explanation I would say: Value of diameter produced using Electrochemical drilling, ranges between 1 to 20 mm.