engineering recuitment ONGC AEE Mechanical Mock Test 2025 Production Engineering (Manufacturing) Machining Processes and Machine Tools Machining Analysis
The correct expression for Merchant’s machinability constant is:
Here ϕ = shear plane angle, β = friction angle and α = rake angle1
2ϕ – β – α
2
2ϕ + β – α
3
ϕ + β – α
4
2ϕ + α + β
5
2ϕ + 2α + β