Question

What is the value of focusing diameter in Abrasive water jet machining?

(a) 0.1 – 0.6 mm

(b) 0.8 – 1.4 mm

(c) 1.6 – 2.8 mm

(d) 3.2 – 5.2 mm

The question was asked at a job interview.

This interesting question is from AWJM in chapter Mechanical Processes of Advanced Machining

Answer 1

Correct option is (b) 0.8 – 1.4 mm

The best I can explain: Diameter value of WC focusing tube in AWJM varies between 0.8 – 1.4 mm.