7202 Unit 108 CJ

What type of saw is commonly used for cutting plastic soil and waste pipes?

• Coping saw

• Universal hardpoint saw

• Bow saw

• Hacksaw

Why do the teeth of a saw become blunt quickly when cutting plastic?

• Plastic is too soft.

• The saw’s material reacts with plastic.

• The friction with plastic causes wear.

• Plastic dulls metal tools quickly.

What tool is used to remove burrs from the ends of cut plastic pipes?

• Sandpaper

• De-burring tool

• Angle grinder

• A flat file

What should you inspect before using a de-burring tool?

• The sharpness of the cutting head

• The tool’s handle for damage

• The location mechanism for the cutting head

• All of the above

What safety rule applies to files with missing or damaged handles?

• Use them cautiously.

• Replace the handle before use.

• Never use them.

• Use only for light tasks.

What can block the teeth of a file when used on plastic pipes?

• Sawdust

• Plastic shavings

• Chalk powder

• Debris

How should you re-secure a loose handle on a file?

• Hammer the handle onto the file.

• Push the handle onto the file with your hand.

• Push the file into the handle against a hard surface.

• Use glue to secure it.

Which tool provides a clean cut and may also chamfer the edge of a plastic pipe?

• Pipe cutter

• Circular saw

• Hacksaw

• Sanding block

What is a chalk line used for?

• Cleaning surfaces

• Marking long lengths on walls

• Measuring pipe diameters

• Repairing tools

What is the difference between a chalk line and a string line?

• Chalk lines are shorter.

• String lines do not leave marks.

• Chalk lines are more accurate.

• String lines are used for metal pipes.