Which of the Following BEST Describes How Operating Pressure Can

question 50

Multiple Choice

Which of the following BEST describes how operating pressure can be maintained for water-based suppression systems?

• A) Using the lowest possible pressure for all attack lines
• B) Requesting utilities shut off water to nearby structures
• C) Turning system water off and on periodically during suppression efforts
• D) Deploying supply hoses from hydrant to fire department connection (FDC)

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Definitions:

Random Samples

Random samples are selections made in such a way that each member of a population has an equal chance of being included.

Psychological Research

The scientific study of the human mind, behaviors, and processes.

Response Rate

The percentage of people selected for a sample who actually completed a survey.

Confidence Interval

A range of values derived from sample statistics that is likely to contain the value of an unknown population parameter.