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A flammable atmosphere within a confined space can be caused by the presence of flammable gases or vapors, such as from chemicals, fuels, or solvents. Factors such as poor ventilation, improper storage of flammable materials, or the accumulation of combustible dust can also contribute to the creation of a flammable atmosphere in confined spaces.
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What is the pressure exerted by a vapor confined within a given space?
The pressure exerted by a vapor confined within a given space depends on factors such as temperature, volume of the space, and the number of gas molecules present. It follows the ideal gas law, where pressure is directly proportional to the number of molecules and temperature, and inversely proportional to the volume of the container.
Which potential hazard is associated with pockets of flammable gas within a confined space?
The most common would be an explosion and poisoning from a possible leak. Precautions should be taken. Smoking or open flames should not be permitted where flammable fluids are stored or handled. Clothes that minimize ignition sources should be worn in atmospheres that may contain concentrations of flammable gases. All major stationary equipment should be properly grounded. Ground connections should be provided between stationary and mobile equipment before any flammable gas is loaded or unloaded. All electrical equipment used in or near flammable-gas loading and unloading areas, or in atmospheres that might contain explosive mixtures, should conform to local fire protection regulations, codes and standards and to the Electrical Code When flammable cryogenic liquids and gases are handled inside, adequate positive mechanical ventilation is necessary. Electrical equipment and wiring must conform to the Electrical code. Flash-off gas from closed liquid-hydrogen containers used or stored inside should be piped through a laboratory hood to the outside, or should be vented by other means to a safe location. If hydrogen is vented into ductwork, the ventilation system should be independent of other systems, and sources of ignition must be eliminated at the exit.
What causes wood to spark when burning?
Wood can create sparks when burning due to the presence of trapped air pockets or pockets of resin or other flammable substances within the wood. When these pockets heat up and expand rapidly, they can cause the wood to crackle and spark.
What device might be used at the crime scene to look for flammable liquid residues?
A gas chromatograph-mass spectrometer (GC-MS) is commonly used to analyze and detect flammable liquid residues at a crime scene. This device can separate and identify different components within a sample, making it ideal for detecting trace amounts of flammable liquids.
What has to happen for a gas or vapor to be flammable or an explosion hazard?
For a gas or vapor to be flammable or an explosion hazard it must have a concentration in air between the Lower Explosive Limit (LEL) and the Upper Explosive Limit (UEL) for that particular gas or vapor.
What can potentially create a flammable atmosphere within a confined space?
- Leaking Gases or Liquids - Combustion or Oxidation - Decomposing Organic Matter ...all of the above are correct (they can create a toxic atmosphere within a confined space).
Within a confined space what hazards are potentially associated with the presence of raw sewage?
the potential for an oxygen-deficient atmosphere, a flammable atmosphere and biological hazards such as hepatitis, as well
Which process causes the transfer of energy by air currents within the Earth's atmosphere?
convection
Which process causes transfer of energy by air current within earth atmosphere?
convection
What is the pressure exerted by a vapor confined?
what pressure is exerted by a vapor confined within a given space
The first step in the process for managing confined spaces within an installation and organization is?
identification of Confined Spaces
The first step in the process for managing confined spaces within an installation and organization?
identification of Confined Spaces
What is the specific term for living material within a cell but confined to the nucleus?
There is no specific term for living material within a cell that is confined to the nucleus. The nucleus does, however contain the DNA that is the blueprint for all protein production in the cell.
Two categories of hazards within a confined space are?
Atmospheric and non-atmospheric
How did the moon get to the atmosphere?
The moon has no atmosphere and it is not within the Earth's atmosphere, so it never got "to the atmosphere."
When can flammable liquids be used for cleaning purposes near explosives or within an explosives area?
Flammable liquids should not be used for cleaning purposes near explosives or within an explosives area. It poses a high risk of fire or explosion due to the volatile nature of flammable liquids in the presence of explosives. It is recommended to use non-flammable cleaning alternatives in such sensitive areas.
Is a rattlesnake den considered a potential biological hazard within a confined space?
Yes it is
