Question

When the static pressure of the feed is increases, what happens to MRR?

(a) Increases

(b) Decreases

(c) Increase up to a limiting condition

(d) Decrease up to a limiting condition

The question was asked by my college director while I was bunking the class.

This is a very interesting question from USM topic in section Mechanical Processes of Advanced Machining

Answer 1

Right option is (c) Increase up to a limiting condition

The explanation: As static feed pressure increases, MRR increases up to a limiting condition and then no further increase takes place.