27 Multifunction Valves

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• Further Education (Key Stage 5)

27 Multifunction Valves

This lesson is intended to be a supplement and revision aid. 

It is to be used together with your in-class lesson notes and gas book.

Completion of this lesson adds to your Guided Learning Hours.

What pressure drop are you allowed between the meter and the inlet pressure valve on the appliance?

1. 1mbar
2. up to 4 mbar
3. Up to 8 mbar
4. No pressure drop

When you switch on the electricity to an appliance which valve is opened automatically?

1. ECV
2. Solenoid
3. FSD
4. Thermostat

What force keeps the FSD open after it has reached its operating temperature?

1. Gas Pressure
2. Mains electricity
3. Thermo-electric magnetism
4. Spring pressure

Gas Engineers are allowed to adjust the pressure regulator INSIDE an appliance

1. YES
2. NO

Gas Engineers are allowed to adjust the pressure regulator on the meter

1. YES
2. NO

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.