Extra Learning

Extra learning materials:

We have provided some extra learning materials below to help gain a greater understanding of electrofusion welding.

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STUDY NOTES: Electro Fusion Welding

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Podcast Talk (EF Welding)

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EF Welding Quiz

Welcome to your Electro Fusion Exam Questions A

All electrofusion fitting welding times, written on the packaging of the fittings, are calculated based on what temperature:

Electrofusion fittings under 250mm are normally between which of the following voltages:

By manually inputting welding times you are ensuring the fittings are welded correctly and the machine is storing all the necessary information?

Electrofusion welding units need to be calibrated every ___ months according to Irish Water?

In an OD160 SDR11 PE100 blue pipe, the maximum depth of a scratch may not be more than

The two most common pin hole sizes for electrofusion fittings are?

Please name the fitting shown?

What is the purpose of a dismantling joint on a water main

On a PE water main, where would you be most likely to find the weak point

The four jointing techniques that can be used for PE pipes and fittings are: butt fusion, electrofusion, stub end and backing ring, mechanical fittings

What alternatives are acceptable in case 90% Iso-propyl / 95% Ethanol wipes are not available

Which standard IS NOT adhered to on an Irish Water or Bord Gais Site

What is an acceptable level scoring on PE pipes between 90mm and 250mm

What is the maximum amount of welds that Irish Water can ask to be sent for destructive testing under normal circumstances on pipe sizes below 250mm?

Which one equation is correct?

What is minimum required strength of PE80 pipe

Please name the fitting shown?

In an OD110 SDR17 PE100 black pipe, the maximum depth of a scratch may not be more than

Which tool is not acceptable to use while scraping pipe before EF welding

According to WIS 4-32-08, can extension leads be used on the control box outlet connectors?

EF Welding Quiz Part 2

Welcome to your Electro Fusion Exam Questions Part B

A deoxidised pipe will need to be deoxidised again once it has been left for more than ___ minutes?

In order to correctly deoxidise a pipe of OD110mm a layer of a minimum of ___ must be removed?

In an OD90 SDR11 PE100 black pipe, the maximum depth of a scratch may not be more than

All electrofusion saddles need to be pressure tested prior to cutting or tapping?

A tapping tee must be tapped _____ the cooling time has elapsed.

Please name the fitting shown ?
Electrofusion Spigot Saddle with Flanged Outlet

How is the diameter of PE pipe measured ?

What application is blue PE pipe be used for ?

What are the two most common pin hole sizes in Europe for EF fittings ?

Which tool is not acceptable to use while scraping pipe before EF welding

How often should EF welding equipment be serviced and/or calibrated according to Irish Water ?

Which of the following IS NOT ALWAYS necessary to EF weld on an Irish Water Site

How is the SDR calculated on PE Pipes?

What colour pipe should be used for semi treated water exposed to the UV light ?

What is minimum required strength of PE100 pipe

Fill in the blanks with options presented beneath. PE Pipes may _______ and ______ during temperature changes.

Four items recommended from the Irish Water welding kit include: electrofusion welder with data retrieval, rotary scraping tool, welding shelter/tent, welding wipes.

Please name the fitting shown?

Can a second fusion cycle be carried out on an EF fitting ?

Which standard IS NOT adhered to on an Irish Water or Bord Gais Site