The Sound Level at a Point P Is 14 Db

question 25

Multiple Choice

The sound level at a point P is 14 db below the sound level at a point 1.0 m from a point source.Assuming the intensity from a point source drops off like the inverse square of the distance, the distance from the source to point P is:

• A)4.0 cm
• B)20 m
• C)2.0 m
• D)5.0 m
• E)25 m

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Definitions:

Job Analysis

The process of gathering, documenting, and analyzing information about a job, including the tasks, responsibilities, skills, and requirements.

Performance Evaluation

The result of an annual or biannual process in which a manager evaluates an employee’s performance relative to the requirements of his or her job and uses the information to show the person where improvements are needed and why

Evaluation Training

The systematic assessment of the design, implementation, and outcomes of training programs to determine their effectiveness and to make informed decisions on their improvement.

Correlation Analyses

Statistical techniques used to measure and describe the strength and direction of the relationship between two variables.