Industrial Engineering and Production Management
In crash program for a project

indirect costs increase and direct costs decrease
cost is no criterion
direct costs increase and indirect costs decrease
both direct and indirect costs, increase

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

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

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Industrial Engineering and Production Management
Work sampling is applied for

Estimating the percentage of the time consumed by various job activities
Finding out time standards, specially where the job is not repetitive and where time study by stop watch method is not possible
All of these
Estimation of the percentage utilization of machine tools

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