Question

What is the life of Tungsten carbide material nozzle?

(a) 1 – 8 hrs

(b) 2 – 5 hrs

(c) 10 – 15 hrs

(d) 25 – 40 hrs

I have been asked this question in my homework.

Origin of the question is AJM topic in section Mechanical Processes of Advanced Machining

Answer 1

Right option is (c) 10 – 15 hrs

The explanation is: Nozzle made up of WC material has a life period which range between 10 – 15 hrs.