water service lines 2

What are some of the trade areas where copper tube and tubing are used?

• Electrical wiring

• Plumbing

• Carpentry

• Masonry

Which types of copper tubes are most commonly used for residential underground water systems?

• Type A and Type B

• Type X and Type Y

• Type K and Type L

• Type M and Type N

What is the purpose of the wall thickness in Type K and Type L tubes?

• To reduce weight

• To improve flexibility

• To withstand back filling and pressure

• To enhance conductivity

How can soft temper Type K or Type L tubes be run between the water main and the house?

• With multiple joints and fittings

• Directly, without joints or fittings

• Only in a straight line

• Only with welded connections

Which types of copper tube are most commonly used for hot and cold water lines?

• Types K and L

• Types L and M

• Types K and M

• Types K and DWV

What is a characteristic of copper and red brass pipe?

• Low cost

• High corrosion resistance

• Lightweight

• Low strength

What is the primary use of Type DWV tube?

• High-pressure systems

• Drainage, waste, and vent applications

• Hot water distribution

• Industrial plants

What type of solder is recommended for DWV tube applications?

• Lead-free solder

• Soft solder

• Hard solder

• 50/50 tin/lead solder

What is the note regarding the use of 50/50 tin/lead solder?

• It should be used in all applications.

• It should only be used where there is no danger to the environment.

• It is the best option for high-pressure systems.

• It is recommended for rainwater leaders.