1. (a) Poor surface finish is obtained
2. Sudden increase in power and cutting force with chattering take place
3. Overheating and fuming due to friction start
4. All of these
All of these
1. Cutting speed
2. Tool geometry
3. Feed and depth
4. Microstructure of material being cut
Cutting speed
1. Nose part, front relief face and side relief face
2. Nose part and top face
3. Cutting edges
4. All of these
Nose part, front relief face and side relief face
1. Red hardness and impact resistance
2. Red hardness and wear resistance
3. Toughness and impact resistance
4. Red hardness, wear resistance and toughness
Red hardness, wear resistance and toughness
1. Produce discontinuous chips
2. Permits maximum metal removal per tool grind
3. Results in maximum length of shear plane
4. Results in minimum value of shear plane
Permits maximum metal removal per tool grind
1. Grain size
2. Toughness
3. Hardness
4. Micro constituents
Hardness
1. Tearing chips
2. Distortion of metal
3. Shearing the metal across a zone
4. Cutting the metal across a zone
Shearing the metal across a zone
1. 6 m/mt
2. 11 m/mt
3. 22 m/mt
4. 33 m/mt
22 m/mt
1. 150
2. 100
3. 50
4. 00
00
1. Soluble oil
2. Kerosene
3. Turpentine oil
4. Compressed air
Soluble oil