The Emissions of Particulates Due to the Burning of Coal

question 10

Multiple Choice

The emissions of particulates due to the burning of coal can be reduced by the use of ________.

• A) electrostatic precipitators
• B) scrubbers
• C) coal from strip mines of the Western US
• D) limestone
• E) catalytic converters

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Definitions:

Materials Quantity Variance

The difference between the actual amount of materials used in production and the standard amount expected, multiplied by the standard cost per unit.

Materials Price Variance

The difference between the actual cost of materials purchased and the standard cost, multiplied by the quantity of materials purchased.

Raw Materials Price Variance

The difference between the actual cost of raw materials and the expected (or standard) cost.

Raw Materials Quantity Variance

It measures the difference between the expected amount of raw materials needed for production and the actual amount used.