WorksheetsTIONEQ
Total questions: 4
Worksheet time: 2mins
Name
Class
Date
1.
How do you check the condition of an ionisation electrode ?
a)
Rub the electrode with a cloth
b)
Taste the electrode for saltiness
c)
Listen for a beeping sound
d)
Conduct a series measurement with an ammeter
2.
De correct value for the current of a ionisationelectrode test should be
a)
5 A
b)
1 A
c)
15 mA
d)
15µA
3.
If there is a flame fail, the gas supply valve should close becuase of
a)
Waste of gas
b)
Waste of electricity
c)
Safety reasons
4.
A thermocouple can be a replacement for
a)
the ionisation electrode
b)
The ignition electrodes
c)
the High Voltage Transformer
100 %
