Which of the Following Refrigerants Has the Lowest Ozone Depletion

question 15

Multiple Choice

Which of the following refrigerants has the lowest ozone depletion potential (ODP) rating?

• A) R-134a
• B) R-22
• C) R-12
• D) R-422D

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Definitions:

Quota Sampling

Sampling that attempts to replicate in a sample the features that the researcher thinks are important in the population.

Random Sampling

A technique where every individual of a population has an equal chance of being selected to form a sample, ensuring the sample’s representativeness.

Random Sampling

A method of selecting a sample from a statistical population in such a way that every possible sample has an equal chance of being selected.

Multistage Cluster Sampling

Sampling based on first sampling large units such as states or provinces and then sampling smaller units such as towns, city blocks, and so on.