UNIT II Lathe operations

What is the most common operation performed on a turning machine?

• Drilling

• Milling

• Boring

• Turning

What is the main objective of turning operation?

• To increase the diameter of the workpiece

• To decrease the diameter of the workpiece

• To decrease the diameter of the workpiece   

• To create a groove on the workpiece

What is the purpose of finishing operation in turning?

• To remove most of the material quickly

• To create a fine finish on the workpiece

• To prepare the workpiece for facing operation

• To increase the diameter of the workpiece

What type of tool is used for turning operations?

• Drill bit

• End mill

• Turning tool

• Reamer

What are the factors affecting the quality of the surface finish in turning operations?

• Cutting speed, tool geometry, and cutting fluid

• Cutting speed, tool material, and cutting fluid

• Cutting speed, tool material, and workpiece material

• Cutting fluid, workpiece material, and tool geometry