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define luminous zone of flame
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Which flame represents complete combustion?
Non-luminous flame
What is the meaning of non luminous flames?
The non luminous flame is hot flame; the fuel is mixed with more oxygen.
Why does a non luminous zone produce less residue as compared to a luminous one?
In the luminous zone of a flame solids such as carbon are produced because there is only a small supply of oxygen to burn the fuel. In the non-luminous zone there is more oxygen and the fuel is completely oxidised to gases such as carbon dioxide.
What is the hottest part of the fire called?
non luminous zone
Definition of luminous and non-luminous sources of light?
what is luminous, non luminous and illuminous source of light.
Different zones of candle flames?
These are the 4 zones of a candle flame from outermost to innermost A Non luminous zone . or zone of complete combustion b. Luminous zone or zone of incomplete combustion c. Dark zone or zone of no combustion d. Blue zone
Which flame represents complete combustion?
Non-luminous flame
Description the 4 zones of a candle flame from outermost to innermost?
non luminous zone: outermost not fully visible complete combustion zoneluminous zone : incomplete combustion zone pale yellow in colordark zone : no combustion dark in color coldest zoneblue zone : bottom zone blue in color carbon monoxide wax vapors
When is a non-luminous flame produced?
A non luminous flame is produced when the air valve is opened enough to allow complete combustion of the methane gas.
When is a non luminous flame produced?
A non luminous flame is produced when the air valve is opened enough to allow complete combustion of the methane gas.
How does a non-luminous flame exist?
The non-luminous fire exist when there is a complete combustion or complete burning process. It happens when there is more than the enough oxygen in the surroundings or in the place where the process will happen.
When luminous flame is produced?
A non luminous flame is produced when the air valve is opened enough to allow complete combustion of the methane gas.
Why non luminous flame is hotter?
The laboratory gases undergo complete combustion hence producing more heat.
What are the different zones of candle flame?
The candle flame has 4 zones from innermost to outermost: 1)Blue zone: It is near the base of the flame. Here the fresh air rapidly mixes with was vapour formed from the molten wax.A part of wax vapour completely burns and gives rise to blue flame. 2)Dark inner zone: This part consists of unburnt wax vapour given off by molten wax.It is the coldest part of the flame It is dark because of of decomposed carbon particles. 3) Luminous zone: In this zone partial combustion takes place with liberation of a lot of heat. This zone is hotter than the dark inner zone. 4) Non luminous zone:It is a zone were complete combustion takes placeIt is hottest part of the flame and is hardly visible.
What is the meaning of non luminous flames?
The non luminous flame is hot flame; the fuel is mixed with more oxygen.
When is flame produced?
A non luminous flame is produced when the air valve is opened enough to allow complete combustion of the methane gas.
Show diagram of candle flame zone?
The candle has 4 zones: Blue zone Dark inner zone luminous zone non-luminous zone
