Question

What is the range of depth-to-diameter ratio in Electron beam machining?

(a) 2:5 to 2:11

(b) 1:1 to 1:15

(c) 3:4 to 3:20

(d) 4:5 to 4:19

I had been asked this question in examination.

The above asked question is from EBM-Applications, Advantages and Disadvantages in division Thermal Processes of Advanced Machining

Answer 1

The correct answer is (b) 1:1 to 1:15

Easy explanation: The depth to diameter ratio in Electron beam machining will vary between 1:1 and 1:15.