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business
production and operations management

Questions and Answers of Production And Operations Management

What is the difference, if any, between quality assurance and quality control as they are generally understood?
What could be the contribution of behavioural sciences to the management of quality?
What kind of an organisational structure for the purpose of quality management might you suggest for a manufacturing company having a number of divisions at different locations with different
How is organisational structure important in the management of quality?
Is the quality management job that of a policeman or that of an adviser? Explain. Is it one of these or both of these? If the latter is true, where will it be advisory and where will it be policing
What are the limitations of statistical quality can it be applied in service industry?
What information does the OC curve provide?
In this chapter an acceptance sampling procedure for attributes (defective/non-defective)was discussed. What could be the acceptance sampling procedure for variables (where you could measure the
What is the idea behind AOQL? Why is it required?
Do you think that the zero defects programme can be successful for an agricultural machinery manufacturing concern, where most of the parts are procured from outside? How can a ZD programme be
What are the interactions between quality control and purchasing?
Is it sufficient to mention AOQL and producer’s risk for a sampling plan for quality control?Explain.
Do sequential or double sampling plans always produce cost economies in quality control as opposed to single sampling plans?
How are reliability and quality control related?
How might the quality management department delegate some of its responsibility to Manufacturing and yet retain the overall control?
What is the meaning of AQL, LTPD and the corresponding probabilities of acceptance?
What is the effect of increasing the sampling size; what is the effect of decreasing the sampling size on the OC curve? If the sampling size is the same, what is the effect of increasing or
Following is a diagram showing different OC curves. The OC curves and the three different sampling plans are separately indicated. Link a relevant sampling plan to each of these OC curves.Sampling
Explain the utility of the Dodge-Romig tables.
When a product is being produced continuously, accumulating a batch of the products for acceptance or rejection later may not be a very good idea. For such a continuous production process, what kind
An ordnance factory gets brass tubings in lots of 15,000 units from a supplier whose performance in the past has been satisfactory, to the extent of finding 1 in 200 items to be defective on an
Lele Engineering Pvt. Ltd. has been a supplier to Hindustan Machinery Manufacturers Ltd.(HMML), a public sector Company. Lele supplies fasteners, mainly, and has been telling HMML that in spite of
What is ‘quality’? How is it an organisation-wide activity? Discuss.
What is the difference between the Six Sigma and TQM initiatives? Discuss.
Why is an ISO 9000 certification important to a firm? What are the advantages to the firm?Explain.
Is an ISO 9000 certification a guarantee for the firm’s product quality? Explain your answer.
Why is a Taguchi Loss Function parabolic in nature? Explain.
What is ‘loss to the society’? Take a product that you know as an example and explain.
Explain each of the words of the phrase ‘Quality Function Deployment’.
Is product design important to quality? If so, how? Explain. Is ‘design’ important in services? Discuss.
How should supply chain considerations be incorporated into the design of a TQM programme? Discuss.
Would a six sigma implementation involve significant financial investment? Discuss.
Read about Dr Juran’s contribution to quality. Discuss the similarities and the dissimilarities between Juran’s and Deming’s approach to quality.
What may be the key areas to address when improving the Cost of Quality? Explain.
What are the differences, if any, between the Zero Defects and the Six Sigma approaches to quality? Discuss.
Are quality and creative product design inimical to each other? Discuss.
What is organisational learning? Is it important for quality? Discuss.
Can total customer satisfaction be achieved while a company is also aiming for key business results? Is there a conflict in these two goals? Discuss.
Is TQM more aplicable in manufacturing industry as compared to service industry? Discuss
How is Deming’s PDCA cycle useful in services? Discuss.ASSIGNMENT QUESTION
Study a retail supermarket regarding the service quality attributes desired by the customers.Present your detailed observations and your analysis for improvement in the operations.
How does a good product design increase organisational efficiencies?
Should the product design concern itself with organisational efficiencies? Discuss.
Why did, in your opinion, Henry Ford’s message on product design get lost for so many decades? Discuss.
‘DFM is Value Engineering for manufacturing’. Do you agree with this statement? Explain.
Discuss the merits and demerits of using plastic parts in a product.
Wouldn’t DFM suppress creativity in a firm? Discuss.
Several functions in the companies are getting to be strategic, product design being one of them. If that is the case, how should the organisation cope with this situation of multiple strategic
‘A good product design contributes to TQM in the organisation.’ Explain how this may happen.
Wouldn’t reliability concerns clash with DFM concerns? Discuss.
What is DFX? What all is included in DFX?
Time is money. How can a product design project be hastened?
What are the problems, if any, with Concurrent Engineering?
How will you incorporate environmental concerns into product design? Discuss.
Can there be a design for disassembling? Where could this concept be useful? Give your tips for such a design.
Can a concept similar to DFM be useful in the service industry? Explain.
Is ‘service design’ a stategic activity for the organisation? Discuss.ASSIGNMENT QUESTION
Choose any product or service you frequently use. Describe its merits, demerits and make suggestions for changes in its design.
As a management discipline, does maintenance management differ from production management? If yes, in what way?
‘Engineering design (of machines, plants) is a purely technical matter and management science has very little to contribute in this field’. Do you agree with this statement? Explain why.
What are the limitations in the utility of statistics to maintenance management?
Cutting machines have an average life of 24 months. A cutting machine broke down in 2 months. Would you say that the breakdown was certainly due to bad design of the particular machine?
In what kind of situations will ‘group replacement’ find an application? Does it implicitly assume any particular stage of life?
Good organization is a key factor in the management of maintenance. Discuss.
The quantity of breakdown maintenance spares required was computed in Chapter
Did we make any implicit assumption there?
Explain how one could use Work Sampling in maintenance?
Can MTM be used in maintenance? Explain.
Suggest ways of Job Enrichment in maintenance?
Do maintenance management–principles have any relevance in the service Industry? Discuss.
Can TPM logic be extended to services? Discuss.
What applications do management techniques such as(a) Queueing theory and (b) Simulation have in maintenance.
What is the reliability of the following system? The reliabilities of components are indicated within the circles.
The machine breakdown distribution in a plant is observed to be Poisson (approximately). The servicing crew consists of four technicians. The servicing (repair) times are observed to be negative
The breakdown probability of an equipment is given below:Month Probability 1 0.05 2 0.15 3 0.30 4 0.30 5 0.20 There are 50 such equipments in the plant. The cost of individual preventive replacement
In what way is the inventory control of the spare parts different from the control of the regular production items?
Under what conditions is Poisson distribution valid for Maintenance Spares?
Discuss the effect of maintenance policy on spares inventory control.
What are Capital Spares?
If you do not have any data on a new equipment, would you buy Insurance/and Capital Spares? On what would you base your purchasing decision?
The demand for a certain component can be approximated to a Poisson distribution. The average demand is 12 items per month.The cost of shortage for the component is worked out to be Rs. 500 per item.
What ‘Spares’ can you have in the service industry? Discuss.
Explain the relationship between method study and time study.
Get the pen from your shirt pocket and start writing your answer to Question 1 on a sheet of paper. What are the ‘therbligs’ involved?
You are to sign a stack of copies of the same letter. What principles of motion economy might you apply?
Write a Left-hand–Right-hand chart for Question 3.
Take any simple office procedure, such as the sanctioning of a medical reimbursement claim, and write the process flow chart for the same.
What is the purpose of dividing a job into elements?
How can work study be used for arriving at (i) Manufacturing Budget, (ii) Production Plan,(iii) Personnel Policies, (iv) Materials Planning? Explain your answer.
You may read about value engineering described in another chapter in this book. Are there any similarities/commonalities between work study and value engineering? If so, what are they?
Method Study is mostly, commonsense applied systematically. What are these ‘systematic’elements?
Good industrial engineering begins with good industrial relations. Do you agree with this statement? Explain why.
Can time study be applied to indirect labour such as cleaners or sweepers? Explain. Can it be applied to Supervisors?
A good work study should be followed by good supervision, for getting good results. Can you explain or elaborate on this statement?
Mention two work situations, where in one, a Stopwatch Time-Study, and in another, PMTS is useful. Can stopwatch time study be useful in the service Industry? Discussion.
You are sitting for breakfast at the dining table. You want to put salt and pepper on your omelette by means of salt and pepper shakers kept on the table. Write the (i) Simo chart,(ii) MTM-1 motions.
A managing director of a public sector corporation was delivering a speech to the young officers about improving industrial productivity: ‘All these techniques such as method study, time study,
‘Time Study, by any method—even MTM, should not be left in the hands of a novice.’ Support this statement.
Explain the advantage of second generation PMTS system? What are the limitations?
What is/are the special advantage/s of Work Sampling over the Stopwatch method? Is one more helpful is service operations while the other is more helpful in manufacturing.

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