F2 Quiz

Which document would you refer to to find out the hole position on a component?

• SOI

• ABP

• Drawing

• SL

When marking out your workpiece, what should you always use as a common reference point?

• The center of the workpiece
• A defined datum on the material

• The corner of the workpiece
• The midpoint of the workpiece

Why is it so important to use a datum when marking out?

• It ensures accuracy and consistency
• It makes the process faster
• It is a requirement by law
• It makes the work easier

In this example, what do the crosses with the DIAGONAL line through them indicate?

• Indicate where a rivet is to be fitted

• Hole position defined by another part of the assembly

• Reference to the schedule sheet

• Hole positions to be drilled

What do the circular reference points refer to on the drawings?

• Torque loading limit

• Hole size

• Item on the schedule sheet

• Notes section with standards

What do the diamond reference points refer to on the drawings?

• Torque loading limit (in Nm)

• Hole size

• Item on the schedule sheet

• Notes section with standards

What does the 'F' stand for in this hole code?

• Fastener head fitted far side

• Fastener head fitted in front

• Fastener tail fitted far side

• Fastener tail fitted in front

What does the triangular symbol stand for in this hole code?

• Hole is counterbored

• Hole is spot faced

• Hole is countersunk

• Hole is coldworked

What does the '3' in the top left section of this hole code relate to?

• Hole size, as specified in COSHH sheet

• Hole size, as specified in SOI

• Hole size, as specified in ABP

• Hole size, as specified in SL

If I do not use a datum when marking out, I am at risk of __________ error, and holes will end up out of position.