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ASSIGNMENT
Course Code : MS – 05
Course Title : Management of Machines and Materials
Assignment Code : MS-05/TMA/SEM-I/2015
Coverage : All Blocks
Note: Please attempt all the questions and submit this assignment on or before 30th April to the coordinator of the study centre.
- 1. Explain in detail the framework of planning, organizing and control decisions in production systems. Give suitable examples to explain the framework.
Answer:A formal scheme for representing control in production systems is defined. The scheme allows control to be directly specified independently of conflict resolution and thus allows the issues of control and nondeterminisim to be treated separately. Unlike previous approaches, it allows control to be examined within a uniform and consistent framework. It is shown that the scheme provides a basis for implementing control constructs which, unlike existing schemes, retain all the properties desired of a knowledge based system–modularity, flexibility, extensibility and adaptive capacity. Within the formalism it is also possible to provide a meaningful
- 2. What are the major techniques of work measurement? Discuss two important techniques with suitable examples.
Answer: Work measurement techniques are listed below:
- Historical data method – It uses the past performance data to set performance standards.Historical data method uses the past-performance data. Here, past performance is used as a guideline for setting work performance standards. The main advantage of this technique is that it is simple to understand, quicker to estimate and easier to implement. However, past performance is not the best basis for fixing performance standards. This is because there may be many changes in
- 3. Under what circumstances would you use PERT as opposed to CPM in project management? Give some example of projects where each would be more applicable than the other.
Answer: Basically, CPM (Critical Path Method) and PERT (Programme Evaluation Review Technique) are project management techniques, which have been created out of the need of Western industrial and military establishments to plan, schedule and control complex projects.
CPM/PERT:CPM/PERT or Network Analysis as the technique is sometimes called, developed along two parallel streams, one industrial and the other
- 4.Explain the basic concept of value engineering. Choose any product, system or procedure that you are conversant with and apply the value tests to find out if there is a scope for value improvement in it.
Answer:Value engineering (VE) is systematic method to improve the “value” of goods or products and services by using an examination of function. Value, as defined, is the ratio of function to cost. Value can therefore be increased by either improving the function or reducing the cost. It is a primary tenet of value engineering that basic functions be preserved and not be reduced as a consequence of pursuing value improvements.
- 5.Explain the following in brief:
- Systematic waste reduction procedure
Answer: Every unit of material sent to waste carries a disposal cost. However the true cost of waste is more than just the cost of disposal. It also includes the additional cost of raw materials, energy and labour involved in making the product in the first place. This can be 5–20 times higher than the cost of disposal. So waste reduction programmes offer businesses a double saving. Excessive waste at the end of a product’s life is often due to the inefficient use of resources when it was produced. Dealing with waste has an impact on the environment so it makes sense to address the initial design of products to sustain our natural resources and the
- Wastivity Indices
ANSWER : Wastivity indices are calculated for labour, material, energy, space, and capital input. Productivity and wastivity are complementry to each other. The productivity is improved by minimizing wastivity.Waste can be classified on the basis of:
Waste Resources: Material resources like solids, liquids, and gases can be wasted. Energy resources like physical, human and solar energy can be wasted. Time resource can be wasted. Capital in the form of capacity, equipment, machine
- Gross Wastivity:
ANSWER: A system basically takes some input, process it and gives the desired output, as shown in Figure 2 i.e., some input is essential, in whatever form, for the functioning of a system. An ideal system is conceptualized to transform the total input into useful or desirable output. In view of the known physical laws of nature the existence of an ideal system is not possible, i.e. 100 per cent utilization of resources is not practically possible for any system. To paraphrase, some waste is inevitable in the functioning of any system.
- Taxonomy of waste:
ANSWER : Wastebasket taxon (also called a wastebin taxon, dustbin taxonor catch-all taxon) is a term used in some taxonomic circles to refer to a taxon that has the sole purpose of classifying organisms that do not fit anywhere else. They are typically defined by their lack of one or more distinct character states or by their not belonging to one or more other taxa. Wastebasket taxa are by definition either paraphyletic or polyphyletic, and are therefore not
Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
“ help.mbaassignments@gmail.com ”
or
Call us at : 08263069601
(Prefer mailing. Call in emergency )