The correct answer is d. All of the above. The proximate analysis of coal can be used to estimate the percentage of moisture, volatile matter, and ash.

Here's a step-by-step explanation:

1. Proximate analysis of coal is a simple laboratory method for determining the components of coal.

2. The percentage of moisture is determined by heating the coal in an oven at a specific temperature and for a specific time. The weight loss is then calculated as the moisture content.

3. The percentage of volatile matter is determined by heating the coal in a furnace at a high temperature under specific conditions. The weight loss, minus the moisture content, is considered the volatile matter.

4. The percentage of ash is determined by burning the coal in a furnace at a high temperature until all the carbon and volatile matter is burned off. The remaining material is the ash content.

So, all of the components mentioned (moisture, volatile matter, and ash) can be estimated using the proximate analysis of coal.

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The correct answer is d. All of the above. The proximate analysis of coal can be used to estimate the percentage of moisture, volatile matter, and ash.

Here's a step-by-step explanation:

1. Proximate analysis of coal is a simple laboratory method for determining the components of coal.

2. The percentage of moisture is determined by heating the coal in an oven at a specific temperature and for a specific time. The weight loss is then calculated as the moisture content.

3. The percentage of volatile matter is determined by heating the coal in a furnace at a high temperature under specific conditions. The weight loss, minus the moisture content, is considered the volatile matter.

4. The percentage of ash is determined by burning the coal in a furnace at a high temperature until all the carbon and volatile matter is burned off. The remaining material is the ash content.

So, all of the components mentioned (moisture, volatile matter, and ash) can be estimated using the proximate analysis of coal.

Knowee AI · Accepted Answer

The correct answer is d. All of the above. The proximate analysis of coal can be used to estimate the percentage of moisture, volatile matter, and ash.

Here's a step-by-step explanation:

1. Proximate analysis of coal is a simple laboratory method for determining the components of coal.

2. The percentage of moisture is determined by heating the coal in an oven at a specific temperature and for a specific time. The weight loss is then calculated as the moisture content.

3. The percentage of volatile matter is determined by heating the coal in a furnace at a high temperature under specific conditions. The weight loss, minus the moisture content, is considered the volatile matter.

4. The percentage of ash is determined by burning the coal in a furnace at a high temperature until all the carbon and volatile matter is burned off. The remaining material is the ash content.

So, all of the components mentioned (moisture, volatile matter, and ash) can be estimated using the proximate analysis of coal.

The following can be estimated using the proximate analysis of coala.Percentage of moistureb.Percentage of volatile matterc.Percentage of ashd.All of the aboveClear my choice

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