Industrial Engineering and Production Management
In product layout

Specialized and strict supervision is required
Machines can not be used to their maximum capacity
Manufacturing cost rises with a fall in the volume of production
All of these

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Industrial Engineering and Production Management
In order that linear programming techniques provide valid results

Relations between factors must be linear (positive)
Relations between factors must be linear (negative)
Only one factor should change at a time, others remaining constant
Either (A) or (B)

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

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

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