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ICSE Class 10 Answered

What is the function of control lamp used in reduction process of Alumina.
Asked by Tech guides by | 29 Jan, 2019, 06:35: PM
answered-by-expert Expert Answer
The control lamp or bulb attached to the apparatus keeps the record of the amount of alumina.
When the supply of alumina decreases, the voltage suddenly jumps from 40 to 60 volts and the bulb/lamp glows brightly.
Then fresh alumina is added to continue the process of reduction.
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