railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Metal Cutting Processes
In an orthogonal cutting test, the cutting force and thrust force were observed to the 1000 N and 500 N respectively. If the rake angle of tool is zero, the coefficient of friction in chip-tool interface will be
1
½
2
2
3
\(\frac{1}{{\sqrt 2 }}\)
4
\(\sqrt 2 \)