Which Type of Duct Material Is Used in Low-Traffic Areas

question 23

Multiple Choice

Which type of duct material is used in low-traffic areas and provides insulation to the duct system?

• A) galvanized metal
• B) fiberglass-wrapped, spiral duct (flexible duct)
• C) fiberglass, fiberboard sheeting
• D) round sheet metal

Understand the importance and impact of effective communication in the workplace.

Recognize the role and implications of nonverbal communication.

Identify strategies to overcome communication barriers.

Understand the communication process and the importance of feedback.

---

Definitions:

Random Variable

A variable that can take on numerical results as outcomes of a random event.

Poisson Probability Distribution

A statistical distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space.

Continuous Probability

Describes the likelihood of outcomes in situations where the range of possible values is an interval, allowing for any value within the range.

Discrete Random Variable

A variable that takes on a countable number of distinct values, often representing outcomes of a random process.