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The calorific value of foam used in chairs, typically polyurethane foam, varies but is generally around 25,000 to 30,000 kilojoules per kilogram (kJ/kg). This value reflects the energy released during combustion. However, variations in foam density, composition, and additives can affect this calorific value. It’s important to note that the calorific value is primarily relevant in the context of fire safety and material disposal.
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What is the calorific value of naphthalene?
The calorific value of naphthalene is approximately 25,800 kJ/kg. It is often used as a standard for measuring the energy content of other substances.
Why is net calorific value is less than gross calorific value?
The lower calorific value or Net calorific value (NCV) which supposes that the products of combustion contain the water of combustion to the vapor state. The heat contained in this water is not recovered.The higher calorific value or Gross calorific value (GCV) which supposes that the water of combustion is entirely condensed. The heat contained in this water is recovered.sayed karar waris
What are foam pads mostly used for?
Foam padding can have many uses. A foam pad for chairs and seating help to furnish the chair for better comfort. Foam padding can also be used under carpeting for walking.
Which instrument is used to measure the calorific value of liquid fules?
orsat apparatus
What do you mean by calorific value of fuels and how can you determine the colorific value of solid liquid and gas?
calorific value means the total amount of heat energy evolved when 1gm of the fuel is completely burnt. from the combustion equation find out enthalpy of combustion.then divide the molecular weight to that quantity.
What are the benefits of using foam for dining chairs?
Foam is commonly used for dining chairs because it provides comfort and support for extended periods of sitting. Foam also helps to absorb shock and reduce pressure points, making it a more comfortable seating option. Additionally, foam is durable and can maintain its shape over time, making it a long-lasting choice for dining chairs.
What is calorific value of ABS?
The calorific value of Acrylonitrile Butadiene Styrene (ABS) typically ranges from about 18 to 22 MJ/kg (megajoules per kilogram). This value can vary based on the specific formulation and additives in the ABS material. ABS is a thermoplastic polymer commonly used in various applications, and its calorific value is an important consideration for recycling and energy recovery processes.
What is the calorific value of rubber?
The high heating value of rubber (8600 kcal / kg) is used to generate heat energy
What is calorific value of pigments?
Pigments themselves do not have a calorific value as they are not macronutrients that provide energy when consumed. Calorific value refers to the amount of energy produced from the combustion of a substance, typically measured in calories or joules. Pigments are primarily used for their color properties in various applications, including food, cosmetics, and art, rather than as a source of energy.
What is the Calorific value LPG in kWh?
The calorific value of LPG (liquefied petroleum gas) is usually around 46.1 MJ/kg, which is equivalent to approximately 12.8 kWh/kg. This value may vary slightly depending on the specific composition of the LPG being used.
What is calorific value of naphthalene?
100mjkg1
What is calorific value of lube oil?
The calorific value of lube oil typically ranges between 38 to 42 megajoules per kilogram (MJ/kg), depending on its composition and specific formulation. This value indicates the amount of energy released during the combustion of the oil. Lube oils are primarily used for lubrication and cooling in engines and machinery, and their calorific value can influence their performance and efficiency in certain applications.
