- At what temperature does combustion occur?
- Why is perfect combustion never obtained?
- Can an engine run on pure oxygen?
- Is white fire hotter than blue fire?
- What is the best Defence against fire?
- Can Air be set on fire?
- What is the hottest color for fire?
- Why is Azula’s fire blue?
- Is there black fire?
- Can you combust air?
- What material catches fire easily?
- Is 100 oxygen flammable?
- Does fire absorb oxygen?
- What are 5 classes of fire?
At what temperature does combustion occur?
Normal combustion of natural gas with adequate air produces carbon dioxide and water together with a flame temperature of 1,000–1,200 °C..
Why is perfect combustion never obtained?
In reality, combustion processes are never perfect or complete. In flue gases from combustion of carbon (as in coal combustion) or carbon compounds (as in combustion of hydrocarbons, wood etc.) both unburned carbon (as soot) and carbon compounds (CO and others) will be present.
Can an engine run on pure oxygen?
The engine can burn no more gas than the amount of oxygen allows. Any extra fuel would come out of the exhaust pipe unburned. So if the car used pure oxygen, it would be inhaling 100 percent oxygen instead of 21 percent oxygen, or about five times more oxygen.
Is white fire hotter than blue fire?
When temperatures approach 2,400º F to 2,700º F, flames appear white. You can see these differences for yourself by observing a candle flame or a piece of burning wood. … The color blue indicates a temperature even hotter than white. Blue flames usually appear at a temperature between 2,600º F and 3,000º F.
What is the best Defence against fire?
Prevention – Remember prevention is your best defense against fire. the unit to protect the floor from heat and hot coals which might drop out.
Can Air be set on fire?
It is possible to set the atmosphere on fire. However, the oxygen in the air is not enough to create a spark that could set fire to the entire atmosphere. … That’s why air is required to keep a fire going- because it provides oxygen to keep the fire burning.
What is the hottest color for fire?
Color also tells us about the temperature of a candle flame. The inner core of the candle flame is light blue, with a temperature of around 1800 K (1500 °C). That is the hottest part of the flame. The color inside the flame becomes yellow, orange, and finally red.
Why is Azula’s fire blue?
Azula is the only firebender who can produce blue flames, which are hotter and contain more energy (according to Planck’s law) than those of other firebenders who bend normal orange flames. Her flames are blue due to her fire being fueled with pure hatred.
Is there black fire?
For real: If you shine a low-pressure sodium lamp on a yellow sodium flame, the flame will be black. Flames emits light and heat, so it seems impossible to make black fire. However, you actually can make black fire by controlling the wavelengths of absorbed and emitted light.
Can you combust air?
Air will never spontaneously combust, nor can it be made to burn non-spontaneously. Air is mostly nitrogen, which is not flammable. Nitrogen is also non-reactive in general, so it doesn’t support the combustion of other materials, either.
What material catches fire easily?
Cellulose fibres, like cotton, linen and viscose, easily catch fire, and the flames spread rapidly if the textile has not been impregnated with a flame retardant. The thinner the fabric, the more easily it burns. Thin fabrics made from cellulose fibres can actually be compared to paper, which is also cellulose-based.
Is 100 oxygen flammable?
Despite popular opinion, oxygen is not flammable. … A flammable substance is one that burns. Though oxygen does not burn, it is an oxidizer, which means it supports the process of combustion. So if you already have a fuel and a fire, adding oxygen will feed the flames.
Does fire absorb oxygen?
Fire does use oxygen when it burns. But it also produces carbon dioxide. … Fires use this to produce carbon dioxide by adding a single carbon atom from the fire’s fuel (wood, for instance). So there is just as much carbon dioxide produced as there is oxygen used.
What are 5 classes of fire?
Fires can be classified in five different ways depending on the agent that fuels them: Class A, Class B, Class C, Class D, and Class K. Each type of fire involves different flammable materials and requires a special approach.