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its a starch and burns easily
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What is explosive limit of Zinc dust?
The explosive limit of zinc dust in air is approximately 60 grams per cubic meter of air at temperatures above 150 degrees Celsius. Above this concentration, there is a risk of it forming explosive mixtures with air.
What type of dust is flammable?
Some types of dust that are known to be flammable include fine particulate materials like wood dust, coal dust, metal powders, and some organic materials like flour and sugar dust. When these types of dust are suspended in the air in high enough concentrations, they can create explosive conditions if ignited.
Why do coal mines explode?
Coal dust in the air is an explosive mixture, because the mixture of coal and air can burn much more rapidly than solid pieces of coal can (flour in the air is also explosive, or sawdust - any flammable substance in the form of dust becomes explosive if it is mixed into the air). The process of mining coal is messy, and creates a lot of dust. And any spark can set it off. No smoking in the coal mines!
Is charcoal explosive?
Charcoal itself is not explosive; it is primarily a solid fuel that burns slowly and steadily. However, when finely powdered, charcoal can pose a dust explosion hazard if dispersed in air and exposed to an ignition source. In its typical form, charcoal is safe to handle and burn but should be managed carefully when in dust form to avoid potential risks.
How are volcanic dust clouds made?
Volcanic dust clouds, also known as ash clouds, are formed when explosive volcanic eruptions release ash, dust, and other particles into the atmosphere. These particles can travel long distances and pose risks to aviation, agriculture, and human health. Volcanic ash clouds are made up of fine rock and mineral fragments that can be carried by winds to create hazardous conditions.
Is praseodymium explosive?
No, praseodymium is not explosive on its own. It is a rare-earth element that is typically stable and non-reactive under normal conditions. However, it can form explosive compounds when combined with other elements in specific circumstances.
Can non explosive volcanoes have pyroclastic flows?
The answer is Explosive . It is explosive because during a explosive eruption there are clouds of ash, gas , and rock , and with a pyroclastic flow there is dust and ash . there for the answer must be explosive .
Is ground black pepper flammable?
No <><><><><> Exception- ANY dry organic matter that has been powdered, and is hanging in the air as a fine dust is potentially explosive. This includes powdered wood, sugar, powdered milk. etc. Normal ground pepper is not, but fine dust is.
Why is coal dust build out of coal mining in the enclosed area dangerous?
Coal dust buildup in enclosed areas can pose significant dangers due to its combustible nature. When dispersed in the air in high concentrations, coal dust can ignite and lead to explosions, endangering the lives of miners and causing extensive damage to infrastructure. Additionally, inhalation of coal dust over time can result in serious respiratory issues, such as black lung disease.
How can flour start a fire if there's a spark?
If the flour is extremely finely ground, the particles can behave almost like a fog or a gas, and reactions with oxygen molecules can be extremely efficient and fast (i.e. explosive), because the oxygen does not have to "burn" through the outer layers of the particles. The phenomenon is not restricted to flour. The right sort of dust (e.g. fine coal dust) can be highly explosive.
Is the 1902 eruption of mt pelee non explosive or explosive?
explosive
What is the definition of ZONE 1 in oil and gas industry?
Areas subject to flammable gas hazards are classified as either Zone 0, Zone 1 or Zone 2. Zone 0 - An area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas vapour, mist or dust is present continuously or for long periods or frequently. Zone 1 - An area in which an explosive atmosphere consisting of a mixture with air or flammable substances in the form of gas, vapour, mist or dust is likely to occur in normal operation occasionally. Zone 2 - An area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour, mist or dust is not likely to occur in normal operation but, if it does occur, will persist for a short period only.
