This article throws light upon the top five techniques of work sampling. The techniques are: 1. Random Sampling 2. Systematic Sampling 3. Stratified Sampling 4. Cluster Sampling 5. Two-Stage Sampling. Technique # 1. Random Sampling: Under this plan, observations are distributed randomly over the day. There are a number of acceptable methods of achieving this. The most suitable and convenient [...]
Here is a compilation of essays on ‘Network Analysis’ for class 11 and 12. Find paragraphs, long and short essays on ‘Network Analysis’ especially written for college students. Essay on Network Analysis Essay Contents: Essay on the Meaning of Network Analysis Essay on the Basic Concepts of Network Analysis Essay on the Techniques in Network Analysis Essay # 1. Meaning [...]
The procedure of method study is contained in the following steps:- 1. Select 2. Obtain and Record 3. Examine 4. Develop 5. Install 6. Maintain. Step # 1. Select: The first step of method study is to select a job, activity or process to improve. Basically, any activity is a potential project for improvement but as the method engineer is [...]
After reading this article you will learn about the graphical method for solution of L.P.P with the help of examples. The graphic solution procedure is method of solving two variable linear programming problems for LPPs that have one two variables, it is possible that the entire set of feasible solution can be displayed graphically by plotting linear constraints on a [...]
After reading this article you will learn about the procedure for crashing the network. The time-cost relationships can be visualized graphically in the form of a time verses cost curve which is for a limited portion at least, sloping downward, as depicted in the following fig. Here it is assumed that for each activity, there is an activity duration for [...]
After reading this article you will learn about:- 1. Introduction to the Simplex Method 2. Principle of Simplex Method 3. Computational Procedure 4. Flow Chart. Introduction to the Simplex Method: Simplex method also called simplex technique or simplex algorithm was developed by G.B. Dantzeg, An American mathematician. Simplex method is suitable for solving linear programming problems with a large number [...]
After reading this article you will learn about resource scheduling and its types. A resource is defined by the physical variable such as manpower (labour), finance equipment, size etc. The completion of any profit on the scheduled date depends on the availability of resources at due times at all stages of progress. When resources such as men, material, machine, money [...]
List of top four problems on PERT. Example 1: A small project consisting of eight activities has the following characteristics: (i) Draw the PERT network for the project. (ii) Prepare the activity schedule for the project. (iii) Determine the critical path. (iv) If a 30- week deadline is imposed, what is the probability that the project will be finished within [...]
After reading this article you will learn about the calculation of slacks and floats with the help of examples. Float and slack both refer to the amount of time by which a particular activity or event can be delayed without affecting the time schedule of the network. The term float is used for activities while slack is used for events. [...]