Industrial Engineering and Production Management
Time study is carried out

By breaking up each operation into small elements which are measurable with the help of the measuring device accurately
All of these
By finding all the significant informations regarding the job, work place and machine tool etc
By observing and recording the time taken by the operator for an operation

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Industrial Engineering and Production Management
The basic difference between PERT and CPM is that

Costs are considered on CPM only and not in PERT
Critical path is determined in PERT only
PERT deals with events and CPM with activities
Guessed times are used in PERT and evaluated times in CPM

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Industrial Engineering and Production Management
Routing

Is concerned with starting of processes
Regulates the progress of job through various processes
Determines the programme for the operations
Prescribes the sequence of operations to be followed

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