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What is the blue flame?
It is the result of a reaction of natural gas with oxygen at a certain temperature. A blue flame indicates safe and efficient combustion, meaning that the gas is being burned efficiently and not being wasted. You can see it on your gas stove or gas furnace, or any other gas appliance.
Why can you not keep your palm above a burning candle but you can keep it on the sides of a candle flame?
Heat is transmitted through conduction (touch), convection (flowing) and radiation (rays). With our hand above the flame receives heat by convection and hottest area of the flame comes in contact with our hand directly and it will burn. When you keep one hand above the flame and one hand on the side of the flame as shown in the FIG given below which hand feels hotter and why? Keep one hand above the flame and one hand on the side of the flame. Therefore, the hand above the flame feels hot. On the sides, however, there is no convection and air does not feel as hot as at the top.
People also ask when you hold your hand above the candle what do you feel and why?
This is because when candle burns heat is released from it in the form of gases, and it is the property of hot gases that they move upward as hotter air is lighter that cold air that's why it moves upward and we feel more heat when our hands are kept above the candle flame then in side. Accordingly, what are the 4 types of flames? These are as follow. Natural Flame: As the name implies, this flame has equal amount of oxygen and gases fuel by the volume. Carburizing Flame: This flame has excess of fuel gas. Oxidizing Flame:
What type of flame is a candle flame?
Non-luminous flame There are two types of flames: Non-luminous flame and. Luminous flame. Structure of Candle Flame. Luminous flame Non-luminous flame Incomplete combustion Complete combustion Colour ? Bright yellow Blue Insufficient amount of oxygen Presence of sufficient oxygen Provides light Hotter What is a small flame called? blaze. noun. a small fire that burns strongly and brightly.
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