What Physical and Chemical Processes Transform Lignite to Bituminous Coal

question 162

Multiple Choice

What physical and chemical processes transform lignite to bituminous coal?

• A)coking in industrial ovens without oxygen
• B)heating to drive off water and volatile gases and pressure for compaction
• C)weathering and further transport
• D)mining it then drying it in the sun

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Definitions:

Variable Costs

Expenses that fluctuate directly with changes in production volume, such as raw materials and direct labor.

Capacity

The maximum level of output that a company can sustain to make a product or provide a service under normal conditions.

Absorption Costing

A financial recording technique that incorporates all costs associated with manufacturing (such as direct materials, direct labor, along with variable and fixed overhead expenses) into the product's cost.

Variable Costing

An accounting method that includes only variable costs - costs that change with production levels - in product costs.