Q18
The specific cutting energy used for establishing the machinability of the metal depends upon its
A.
Coefficient of friction
B.
Micro-structure
C.
Work hardening characteristics
D.
All of these
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Specific energy in metal cutting, defined as the energy expended in removing a unit volume of workpiece material.
The specific cutting energy used for establishing the machinability of the metal depends upon its
- Coefficient of friction
-Micro-structure
-Work hardening characteristics