Question

What are the feed rates used in Electrochemical drilling?

(a) 0.1 to 0.6 mm/min

(b) 0.6 to 1 mm/min

(c) 1 to 5 mm/min

(d) 6 to 15 mm/min

The question was asked by my school principal while I was bunking the class.

Question is taken from Electro Chemical Drilling topic in division Electrochemical Processes of Advanced Machining

Answer 1

Right choice is (c) 1 to 5 mm/min

For explanation I would say: Value of feed rates used in Electrochemical drilling, range between 1 to 5 mm/min.