Plumbing level 2 - PP3- Common processes
Authored by Byron Morris
Professional Development
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of solder must be used on hot and cold water systems?
Lead solder
Paraffin-based solder
Lead-free solder
Acid-based solder
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the composition of lead-free solder?
70% lead + 30% tin
99% tin + 1% copper
50% lead + 50% tin
90% tin + 10% copper
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of flux does not require cleaning of pipes before soldering?
Lead-free flux
Active flux
Non-active flux
Paraffin-based flux
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What creates the watertight seal in push fit fittings?
Olive
Compression ring
O ring
Solder
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of Type B compression fittings?
Suitable for half hard copper and plastic pressure pipe
Require the end of the pipe to be manipulated using a swaging tool
Use an olive and are tightened using an adjustable spanner
Require nothing more than the piece of pipe to be cut square
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does dezincification in brass fittings result in?
Rust
A black tarnish
A white powder coating
A green patina
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to create a watertight seal in LCS threaded fittings?
Olive
Compression ring
PTFE or hemp and paste
O ring
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