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Unburnt fuel fills the chambers and silencer, causing the loud bang of a 'back fire'.

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What has a flash point below 100 degrees?

Ethanol has a flash point below 100 degrees Fahrenheit, making it highly flammable. It is important to handle ethanol with caution and store it safely due to its low flash point.


What is meant by flash point and pour point?

Flash point is the temperature at which a combustible material begins to give off enough vapors that it can be ignited with a spark. Pour point is the temperature at which a viscous fluid will flow easily, primarily used to indicate the ability to pump the fluid.


Why vapours of flammable substances pose such a serious hazard?

It is not the flammable liquid that ignites, but the vapors (or vapours for our British cousins) that ignite. Vapor can travel a considerable distance from the liquid to an unforeseen source of ignition, and flash back when ignited. They can fill a large area, with a resulting LARGE fire when ignited. The distinction between flammable and combustible is the "flash point" the temperature at which the liquid gives off an ignitable vapor- flammables have a flash point below 100 degrees F. Many flammable liquid vapors are heavier than air, and can settle into the bilges of a boat, awaiting ignition.


Explain the difference between flash point and fire point?

Flash point is the temperature at which a flash will occur across the face of a liquid and go out. Fire point is the temperature at which a flash will occur above the liquid and the resultant fire will continue to burn.


Can you change flammability of compound?

It depends on the substance. Yes, all flammable substances have a "flash-point". Every substance has a different flash point expressed in degrees Celsius or Fahrenheit. If the temperature is below the flash point you will not be able to ignite it. And the higher the temp above the flash-point the more readily it will burn.


What is the difference between flammable and combustible material?

A flammable material has a lower flash point (100F or below) while a combustible material has a flash point of 100F or HIGHER. In other words, it's a lot easier for a flammable material to catch fire than a combustible one because of the minimal amount of energy (heat) required to get it going versus the higher requirement of a combustible material.


The point at which the earthquake happens below the ground?

Epicenter.


What is the flash point of gunpowder explosive?

A "flash point" is the temperature at which a LIQUID gives off a vapor that can be ignited. It is NOT the temperature at which ignition takes place. Gunpowder, being a solid, does not HAVE a flash point. It has an ignition temperature around 450 degrees F, but the exact temperature varies with the composition of the gunpowder.


Can 100 proof whiskey ignite at very cold temperatures?

No, the norm is to heat alcohol to ignite it, this causes the whisky or other alcohol to give off vapors which can then be ignited. The flash point (temperature at which a substance gives off vapors) of alcohol is 54F (12C), so anything below that will not ignite.


When is an unlisted liquid flammable solvent classified as HW?

Flash point of 21 C or below


What is significance of flash point?

The flash point of a flammable liquid is the lowest temperature at which it can form an ignitable mixture in air. At this temperature the vapor may cease to burn when the source of ignition is removed. A slightly higher temperature, the fire point, is defined as the temperature at which the vapor continues to burn after being ignited. Neither of these parameters is related to the temperatures of the ignition source or of the burning liquid, which are much higher. The flash point is often used as one descriptive characteristic of liquid fuel, but it is also used to describe liquids that are not used intentionally as fuels


Will dodecane burn when ignited?

Dodecane will burn from a wick but a pool of liquid dodecane can only be ignited if the temperature is raised to around 75 degrees Celcius. A pool of dodecane will ignite spontaneously at around 203 degrees Celcius, just below its boiling point.