Marking-Out Quiz

What is the primary purpose of marking-out?

• To paint the workpiece

• To define the shape of an article

• To cut the material

• To polish the surface

Which of the following is NOT a tool commonly used for marking-out tasks?

• Scriber

• Engineers Square

• Hammer

• Dividers

What are the primary reference points used in effective marking-out?

• Datum Points, Datum Lines, and Datum Edges

• Center Points, Edge Lines, and Surface Marks

• Reference Points, Edge Lines, and Surface Marks

• Datum Points, Center Lines, and Edge Marks

Which tool is used for vertical marking-out on a surface table?

• Steel Rule

• Vernier Height Gauge

• Odd-leg Calipers

• Center Punch

What is the purpose of using an engineers square?

• To scrbe lines onto a workpiece

• To check for squareness or to mark out the body of the workpiece

• To mark the center of the workpiece

• To measure the thickness of the material

What should be done with tools after finishing the marking-out task?

• Leave them on the workbench

• Return them to their storage cabinet, box, or marked place on the workshop shadow board

• Throw them away

• Give them to a colleague

Which tool is used to find and scribe the centerline along the bar using one edge as the datum?

• Rule

• Scriber

• Odd-leg calipers

• Engineers square

What should be checked to ensure clean marking out when using calipers, dividers, and center punch?

• The alignment marks

• The scribed positions

• The condition of the caliper, divider, and center punch tips

• The thickness of the marking blue

What is the accuracy that can be achieved using a vernier height gauge?

• A) 0.15 mm

• B) 0.10 mm

• C) 0.05 mm

• D) 0.02 mm

What is the purpose of using Vee blocks during marking-out?

• A) To measure vertical distances

• B) To support and clamp round work pieces

• C) To scribe intersecting lines

• D) To mark-out 90° and 45° angles