Question

What is the value of diameter of glass nozzle used in Electrostream drilling?

(a) 0.01 – 0.02 mm

(b) 0.025 – 0.5 mm

(c) 0.5 – 0.75 mm

(d) 0.75 – 1.25 mm

The question was posed to me during an internship interview.

Query is from Electrostream (Capillary) Drilling in portion Electrochemical Processes of Advanced Machining

Answer 1

The correct choice is (b) 0.025 – 0.5 mm

Explanation: Electrostream drilling uses a gas nozzle, whose diameter ranges between 0.025 – 0.5 mm.