Industrial Engineering and Production Management
Activity slack or float of any event on a PERT/CPM chart is represented by

Latest start time of the event earliest start time of the event
Anyone of the above
Latest start time of succeeding event earliest finish time of preceding event activity time
Latest finish time of event earliest finish time of the event

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Industrial Engineering and Production Management
The purpose of micro-motion study is to

Help in collecting the motion time data for synthetic time standards
Assist in finding out the most efficient way of doing work
All of these
Train the individual operator regarding the motion economy principles

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Industrial Engineering and Production Management
Value engineering aims at finding out the

Resale value of a product
Major function of the item and accomplishing the same at least cost without change in quality
Break-even point when machine requires change
Depreciation value of a product

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