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Man-Machine and Multiple Activity Charts

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Man-Machine and Multiple Activity Charts

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Questions and Answers

What is primarily depicted in a man-machine chart?

The activity of a worker and a machine over time. (correct)

The storage capacity of a machine.

The maintenance schedule for machinery.

The financial costs of machine operation.

What do the two symbols in a man-machine chart represent?

Loading and Unloading.

Idle and Active.

Working and Idle. (correct)

Busy and Free.

What is the purpose of the time scale in a man-machine chart?

To display the maximum efficiency of machines.

To start at zero and end at the cycle time of a job. (correct)

To measure the total output of production.

To indicate the costs associated with downtime.

Why are man-machine charts valuable in operations?

<p>They help find optimum coordination and productivity.</p> Signup and view all the answers

What does the man-machine chart help determine?

<p>The number of machines each operator can control.</p> Signup and view all the answers

Study Notes

Man-Machine Chart

A graphical representation of a worker and a machine's activity over time.
Depicts the machine's busy and idle periods alongside the worker's activity, like loading/unloading.
Helps determine optimal worker-machine coordination for increased productivity and efficiency.
Utilizes a time scale starting at zero and ending at the job cycle time.
Employs two symbols: "Working" and "Idle" to represent worker and machine states.
Tracks periods of work and inactivity for both the worker and the machine.
Useful for planning the number of machines an operator can handle, or the number of workers required for a machine.
Optimizes worker-machine coordination to increase overall productivity and efficiency.
Valuable for processes with multiple operators and machines.

Multiple Activity Charts

Used when processes involve multiple coordinated activities.

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Description

Explore the concepts of Man-Machine Charts and Multiple Activity Charts, which are essential for optimizing worker and machine coordination. Understand how these graphical representations help in planning and increasing productivity in various processes. Dive into the symbols and methodologies used to depict activities and improve efficiency.