A Bank of 10 Machines Requires Regular Periodic Service

question 12

Multiple Choice

A bank of 10 machines requires regular periodic service. Machine running time and service time are both exponential. Machines run for an average of 44 minutes between service requirements, and service time averages six minutes per machine. What is the average machine downtime with two operators?

• A) 1.71 minutes
• B) 3.46 minutes
• C) 6.25 minutes
• D) 7.71 minutes
• E) 9.46 minutes

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Definitions:

Workplace Productivity

The measure of efficiency with which tasks and goals are completed by employees within the workplace.

Henri Fayol

A French mining engineer and management theorist who developed a general theory of business administration and is famous for establishing the five functions of management.

Unity of Command

A principle in management and military strategy that each employee or soldier should receive orders from and report to only one superior.

Scalar Chain

A concept in management that denotes a clear line of authority in an organization, from the top management to the lowest rank.