Question

What is the value of gap maintained in ECH?

(a) 0.025 to 0.075 mm

(b) 0.075 to 0.250 mm

(c) 0.250 to 0.750 mm

(d) 0.750 to 2.50 mm

I have been asked this question by my college professor while I was bunking the class.

This key question is from ECH-Process Characteristics, Applications topic in division Hybrid Electrochemical Processes of Advanced Machining

Answer 1

Right choice is (b) 0.075 to 0.250 mm

The best explanation: The value of gap maintained in electro chemical honing is between 0.076 and 0.250.