HCFCs Have Been Developed to Replace CFCs as Refrigerants

question 33

Multiple Choice

HCFCs have been developed to replace CFCs as refrigerants.Which property of these new compounds makes them environmentally superior to CFCs?

• A)Greater reactivity leads to decomposition at elevations below the stratospheric ozone concentration maximum
• B)Lower reactivity makes them stable even in the intense ultraviolet light in the stratosphere
• C)Their higher molecular weight prevents them from reaching the stratosphere
• D)They do not contain chlorine

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Definitions:

High-low

A technique used in accounting and finance to estimate fixed and variable costs by analyzing the highest and lowest levels of activity.

Cost Estimation

The process of predicting the costs of producing a product or service, typically involving historical data analysis and forecasting techniques.

Cost Line

A graphical representation of the costs incurred by a company, set against a range of production or service volumes.

Relevant Range

The range of activity within which the assumptions about fixed and variable costs are valid for the purposes of cost behavior analysis and budgeting.