Sheet Metal

The operation of cutting sheet metal with help of punch & die on a power press is called...

• Cutting

• Drawing

• Shearing

• Squeezing

Which of the following is not involved in sheet metal work?

• Bending

• Welding

• Joining

• Cutting

Piercing is different to drilling when you make a hole; which is correct​?...

• The hole is created by force of impact and the burr is substantial​

• The hole is crated by cutting and the burr is minimal​

• The hole is created by laser and so there is no burr​

Bend allowance only refers to very thin sheet metals​

• True

• False

Punching and blanking are essentially the same activity. One leaves you with the positive the other with the negative​.

• True

• False

What is the purpose of a bend relief?

• To stop the metal from tearing and deforming in the corners

• To create a safe corner

• To create 90 degree angles

• To make the metal softer and easier to bend

What does gauge refer to with sheet metal?

• The type of metal

• The coating on the metal

• The thickness of metal

• The cost of the metal

The useful part in a blanking operation is called...

• Blank

• Hem

• Notch

• Stake