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Offline LisaS

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Question 9
« on: August 31, 2009, 05:10:28 PM »
A - Describe the operation of a PIEZO spark ignition that is suitable for a domestic gas appliance.

                                                                      ( 5 marks )

B - Describe the operation of a thermo-electric flame failure device used on a gas appliance

                                                                      ( 5 marks )

Total 10 marks
                                                                   

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