From the above explanation we can say that liquefied petroleum gas Has the highest calorific value. So, the correct answer is option « C ». CAUTION: Combustion of fuel products produces water vapor.

Which has the highest calorific value?

Calorie value is nothing but the energy contained in a fuel or food, determined by measuring the amount of heat produced by the complete combustion of a specific amount of fuel or food. It is now usually expressed in joules per kilogram. therefore, hydrogen Has the highest calorific value.

Which of the following has a maximum calorific value of 8?

Calorific value is nothing but the heat energy produced when 1 g of fuel burns completely in the presence of oxygen. According to the calorific value, Methane Thermal energy is the highest at 55 kJ/g, followed by kerosene at 48 kJ/g and diesel at 45 kJ/g.

Which has the highest calorific value Mcq?

explain: hydrogen Its calorific value is the highest at 150KJ/g. Therefore, hydrogen is considered to be an excellent fuel.

Which of the following nutrients has the highest caloric value?

1 gram fat Provides 37 kJ of energy when oxidized, while 1 g of carbohydrate provides 17 kJ of energy when oxidized. Therefore, fat has the highest caloric value.

Which of the following fuels has the highest calorific value?

36 related questions found

What is calorific value and its unit?

Caloric value is the thermal energy present in a food or fuel, determined by complete combustion of a specific amount under constant pressure and normal conditions. It is also called calorific value.The unit of calorific value is Kilojoule per kilogram is KJ/Kg.

Which generates the least amount of heat?

In a given compound, C2H5OH Compared to others, hydrogen has the lowest percentage composition. Therefore, it has the lowest calorific value.

What is the calorific value of LPG?

Liquefied Petroleum Gas (LPG) is a mixture of light hydrocarbon compounds. It consists mainly of butane (C4H10) or propane (C3H8) or a mixture of both. … The specific heat value of LPG is Approx. 46 MJ/kg or 12.78 kWh/kg Depends on the composition of the LPG.

Which coal has the highest calorific value?

1 anthracite. anthracite (« Coal Sample ») is a hard, very low-volatility compact coal with a high lustre. It has the highest carbon content (92.1% to 98%), the least impurities and the highest calorific value among all coal types, including bituminous coal and lignite.

What is the meaning of calorific value?

Calorific value The energy or heat produced by the complete combustion of a unit volume of matter. This is important because it gives the value of fuel or food in numbers that can be calculated using formulas.

Which fuel is the least polluting?

natural gas Compared to gasoline, diesel and coal, it is the cleanest fuel and causes the least pollution when burned.

What is the calorific value of the fuel?

The calorific value of the fuel heat generated by combustion – Under constant pressure and « normal » (standard) conditions (ie to 0oC and 1,013 mbar).

What is an environmentally friendly fuel?

Biodiesel and Bioethanol is the most common, viable alternative and limitless green fuel available for internal combustion engines. … candidates for green fuels have the potential to significantly reduce greenhouse gas emissions from combustion in internal combustion engines by up to 30 percent.

What is the calorific value of oxygen?

Regarding synthetic additives, one potential candidate is diglyme (C6H14O3), which has an oxygen content of 35.8%, a density of 943 kg/m3, a cetane number of about 112, and a calorific value of about 112. 32.17 MJ/kg [13].

Which has higher calorific value, CNG or LPG?

LPG has high calorific value This is 90 to 95 MJ/m3 compared to CNG with a calorific value as low as 35 to 40 MJ/m3. Therefore, LPG is a more efficient fuel than biogas, gasoline, diesel, kerosene and compressed natural gas. … CNG-powered cars are safer and more efficient than gasoline-powered cars.

How is calorific value calculated?

program to calculate heat

The Net Calorific Value (NCV) refers to the Lower Calorific Value (LHV), i.e. the Low Calorific Value (LCV) is determined by the following formula Subtract the heat of vaporization of water vapor from the higher calorific value. . The latent heat corresponds to the partial pressure of water vapour in kcal/kg.

What are the 4 grades of coal?

Coal is divided into four main types or grades: Anthracite, Bituminous, Subbituminous and Lignite. Ranking depends on the type and amount of carbon the coal contains and the amount of thermal energy the coal can generate.

Which coal has a lower calorific value?

lignite The rank in the coalification process is lower than that of bituminous and anthracite. It has a low calorific value.

Which coal has the lowest calorific value?

Among all other coal types, lignite Has the lowest calorific value.

What is liquefied petroleum gas consisting of Class 9?

Liquefied petroleum gas composition.The main components of liquefied petroleum gas (LPG) are Propane, butane, propylene, butene and isobutane. LPG is a highly flammable mixture of these hydrocarbon gases and is widely used as a fuel in home cooking applications. It is also used as fuel for some cars.

Is biogas better than LPG?

Although biogas is lighter than air and safer in the home than CNG or LPG, it can be quickly dispersed into the air. Biogas is much safer than LPG. Biogas is a fuel that can completely replace gasoline and compressed natural gas. It can be used to benefit mankind in various ways.

What are the two types of calorific value?

Calorific value formula and types of calorific value

• There are two types of calorific value. High Calorific Value (HCV)…
• Higher calorific value or total calorific value. When 1 kg of fuel is burned, the combustion products are cooled to room temperature. …
• Lower calorific value or net calorific value.

Which gas has the lowest calorific value?

of the three major fossil fuels coal The carbon-hydrogen ratio is the highest and the calorific value is the lowest.

What is the calorific value of charcoal?

Dried wood can produce 4500 to 4770 kcal/kg.In the case of charcoal there is little change in calorific value 7500 kcal/kg. The average distribution value for petroleum products is 10000 Kcal/l.