Industrial Engineering and Production Management
When slack of an activity is negative

It represents a situation where extra resources are available and the completion of project is not delayed
The activity is critical and any delay in its performance will delay the completion of whole project
All of these
It represents that a programme falls behind schedule and additional resources are required to complete the project in time

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Industrial Engineering and Production Management
Travel charts provide

A compact estimate of the handling which must be done between various work sections
The information for changes required in rearranging material handling equipment
An idea of the flow of materials at various stages
An approximate estimate of the handling which must be done at a particular station

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Industrial Engineering and Production Management
The process capability of a machine is defined as the capability of the machine to

Holds a definite spectrum of tolerance and surface finish
Produces a definite volume of work per minute
Perform definite number of operations
Produce job at a definite spectrum of speed

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