Plumbing Processes flash cards

Type A compression fittings use what to create a watertight seal?

• A rubber gasket

• An olive

• A metal washer

• A plastic cap

A hole can be drilled on a joist to what size?

• 1/4 of the depth

• 1/2 of the depth

• 3/4 of the depth

• the full depth

What materials can be used to drill and cut tiles and ceramics?

• Diamond and Tungsten carbide

• Aluminum and Steel

• Plastic and Wood

• Copper and Brass

If there is a pre-existing notch in a joist. At what distance from the notch are you allowed to drill a hole in the same joist?

• 100mm

• 150mm

• 200mm

• 250mm

Red colour code

• LCS used for steam and high pressure systems

• LCS used for low pressure systems

• LCS used for electrical systems

• LCS used for cooling systems

A type of plasterboard fixing

• Spring toggle

• Wall anchor

• Screw plug

• Dowel pin

What solder can only be used on gas and central heating systems?

• Leaded solder

• Silver solder

• Copper solder

• Aluminum solder

Brass screws are used in bathrooms because they don't...

• Rust in the presence of moisture

• Corrode in saltwater

• Become brittle in cold temperatures

• Dissolve in acidic environments

What does flux do to enable soldering?

• Cleans the pipe of oxides and allows for capillary action of the solder.

• Increases the melting point of the solder.

• Prevents the solder from adhering to the pipe.

• Enhances the color of the solder joint.

Soldered fittings with a ring of solder already within them are called?

• Integral solder fitting

• Standard solder fitting

• Loose solder fitting

• External solder fitting