A Single-Phase Waiting-Line System Meets the Assumptions of Constant Service

question 100

Multiple Choice

A single-phase waiting-line system meets the assumptions of constant service time or M/D/1.Units arrive at this system every 12 minutes on average.Service takes a constant 8 minutes.What is the average length of the queue Lq in units?

• A)0.67
• B)2.5
• C)4.5
• D)5.0
• E)7.5

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Definitions:

Particulate Matter

A mixture of solid particles and liquid droplets found in the air, some of which can be harmful to health when inhaled.

Indoor Air Pollutants

Chemical, biological, or physical substances present in indoor environments that can cause harm or discomfort to humans.

Sulphur Dioxide

A colorless gas with a sharp, pungent smell, produced by volcanic eruptions and in various industrial processes, known for its significant environmental and health impacts.

Acid Deposition

The falling of acids and acid-forming compounds from the atmosphere to the Earth's surface, often as rain, snow, or dust, with harmful environmental effects.