Untitled Presentation

Multiple Choice

Why is the process of cutting important in the machining of metal parts?

• It helps in shaping the metal by removing material.

• It is used only for decoration.

• It is the final step in all manufacturing processes.

• It is not necessary for metalworking.

Open Ended

Describe the main characteristics of an orthogonal cutting tool and explain why its shape is significant for the cutting process.

Open Ended

Explain the relationship between the three cutting angles (α, β, γ) in orthogonal cutting.

Multiple Select

Which of the following are cutting angles defined in orthogonal cutting?

• Chip angle (γ)

• Free angle (α)

• Wedge angle (β)

• Relief angle (θ)

Open Ended

Describe a practical scenario where oblique cutting is preferred over orthogonal cutting and explain why.

Multiple Choice

Which of the following is NOT a type of punch (ζουμπάς) mentioned in the slides?

• Hollow punch

• Parallel solid punch

• Conical solid punch

• Flat punch

Open Ended

List two important safety precautions to follow when using punches (ζουμπάδες).

Multiple Select

Which of the following are uses of chisels (κοπίδια) according to the slides?

• Cutting grooves

• Sharpening blades

• Cutting sheet metal

• Cutting screw and nail heads

Multiple Select

Which factors influence the impact force required when using a chisel?

• Thickness of the workpiece

• Hardness of the material

• Wedge angle of the tool

• Length of the handle

Open Ended

Explain how the wedge angle of a chisel affects the force required for cutting and the likelihood of breakage.

Multiple Choice

Which of the following chisels is most suitable for removing material between holes in sheet metal?

• Flat chisel

• Cross-cut chisel

• Round-nose chisel

• Keyway chisel

Multiple Choice

Which type of chisel is used for cutting grooves?

• Flat chisel

• Cross-cut chisel

• Round-nose chisel

• Keyway chisel

Multiple Choice

What is the effect of using a smaller wedge angle when chiseling a workpiece?

• It increases the cutting efficiency

• It creates excessive friction and the chisel slips off the workpiece

• It makes the chisel cut deeper

• It produces a smoother surface

Multiple Select

Select all correct statements about the use and handling of chisels:

• The chisel edge should be well sharpened

• Hold the chisel firmly and strike with controlled force

• Look at the chisel edge while working, not the chisel body

• Remove all material in one deep cut

Open Ended

List two important safety precautions to follow when using a chisel.

Open Ended

Describe the main safety and maintenance steps that should be followed when working with chisels, based on the slides.

Multiple Choice

Which of the following is a correct safety precaution when using a chisel, according to the slides?

• Always keep the chisel and hammer clean and free of oil or grease.

• Strike the chisel at an angle for better results.

• Do not wear protective glasses during grinding.

• Store chisels in your pockets for easy access.

Multiple Choice

What are the two main types of saws used for cutting metals mentioned in the slides?

• Hand saws and electric saws

• Hand saws and machine saws

• Circular saws and band saws

• Jigsaws and hacksaws

Multiple Select

Which parts make up a typical hacksaw, as described in the slides? Select all that apply.

• Frame

• Blade

• Handle

• Butterfly nut

Open Ended

Explain the purpose of the tooth set (tsaprazoma) in hacksaw blades and how it affects the cutting process.

Open Ended

Summarize what you learned today about cutting tools and their use in metalworking. How do cutting tools shape metal pieces?