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business
production and operations management

Questions and Answers of Production And Operations Management

3 Evaluate the mix of measures used at various levels in your organisation. What are the implications of this?
2 What are your key performance measures? Assess the purposes, and systems to deliver the purposes, for your key measures. Do they drive the right behaviours? What key elements of service are not
1 Roughly how much time is spent in your organisation/unit on measuring performance, reporting it, and performance management? Are the proportions appropriate and is this money well spent?
3 Obtain some customer feedback forms/surveys/internet surveys and assess them in terms of how well they help managers assess and control performance.
2 A tour operator specialising in holidays for young people is concerned about the quality of service provided. Each month the marketing manager reports on the number of complaints received. How
1 Key measures used by some call centres are speed of response and call abandonment rate.Assess these measures as drivers of improvement.
Have the waste bins been emptied?
Has the bed been made and turned down?
Have the complimentary soaps and shampoos been replenished?
Has the fl oor been vacuumed?
How can managers measure, control and manage the operation?
How can managers measure the customer’s perspective?
What needs to be measured?
Why do managers need to measure things?
Perform all the exercises which Peter set for himself. Do you think he should now fully understand MRP? Lop74
Why did Peter have such problems getting to the relevant information? Lop74
How does the system interface with suppliers? Lop74
How does the system interface with customers? Lop74
How did you train staff to use the system? Lop74
What were the challenges in implementing the system? Lop74
What were the benefits of the new system? Lop74
Why implement a new planning and control system? Lop74
How should planning and control systems be implemented? Lop74
What is enterprise resource planning, and how did it develop into the most common planning and control system? Lop74
What are planning and control systems? Lop74
What recommendations would you give to the company? Lop74
Calculate the EOQs for the A items. Lop74
Based on the sample, analyse the underlying causes of the availability problem described in the text. Lop74
If so, what is your estimate of the overall inventory at the end of the base year, and how much might that have increased during the year? Lop74
Calculate the inventory weeks for each item, for each classification, and for all the items in total. Does this suggest that the operational manager’s estimate of inventory weeks is correct? Lop74
Prepare a spreadsheet-based ABC analysis of usage value. Classify as follows:A items: top 20 per cent of usage value B items: next 30 per cent of usage value C items: remaining 50 per cent of usage
How to control the system. What procedures and routines should be installed to help make these decisions? Should different priorities be allocated to different stock items? How should stock
When to order. At what point in time, or at what level of stock, should the replenishment order be placed (sometimes called the timing decision)? Lop74
How much to order. Every time a replenishment order is placed, how big should it be (sometimes called the volume decision)? Lop74
How can inventory be controlled? Lop74
When to place an order? The timing decision Lop74
How much to order? The volume decision Lop74
Why should there be any inventory? Lop74
What is inventory? Lop74
Compare and contrast the approaches taken by H&M, Benetton and Zara to managing their supply networks? Lop74
Why is blockchain technology so useful in supply chain management? Lop74
What are the dynamics of supply chains? Lop74
How should relationships in supply chains be managed? Lop74
How should supply chains compete? Lop74
What is supply chain management? Lop74
How can operations understand the consequences of their capacity management decisions? Lop74
How is the supply side managed? Lop74
How is the demand side managed? Lop74
How is capacity measured? Lop74
How is demand measured? Lop74
What is capacity management? Lop74
What would you suggest that subText does to tighten up its planning and control procedures? Lop74
What went wrong with the fifty-three slash F job and how could the company avoid making the same mistakes again? Lop74
What is involved in planning and control? Lop74
How does the nature of demand affect planning and control? Lop74
What are the activities of planning and control? Lop74
How do supply and demand affect planning and control? Lop74
What is the difference between planning and control? Lop74
What is planning and control? Lop74
What do you think each team leader should be doing to try and overcome their team’s problems? Lop74
How would you describe each team’s process in terms of the jobs of its staff? Lop74
What are the individual ‘services’ offered by each of the three teams? Lop74
What are the problems amongst the staff of each of the three teams? Lop74
What are the environmental conditions of the workplace? Lop74
What technology is available and how will it be used? Lop74
How do we maintain commitment? Lop74
How long will it take and how many people will be needed? Lop74
What is the best method of performing each job? Lop74
What tasks are to be allocated to each person in the operation? Lop74
How are work times allocated? Lop74
How do we go about designing jobs? Lop74
How can the operations function be organized? Lop74
Why are people issues so important in operations management? Lop74
Find the schedule using graphical method to minimize the time needed to process the following jobs on the machines shown (i.e. for each machine, find the job which should be scheduled first). Also,
Find the schedule using graphical method to minimize the time needed to process the following jobs on the machines shown (i.e. for each machine, find the job which should be scheduled first). Also,
Consider the following job shop problem. Find the scheduling using Nondelay generation heuristic with the following priority rules.First Level Priority Rule : MWKR (most work remaining)Second Level
Consider the following job shop scheduling problem involving four jobs and three operations.Solve it using Active Schedule Generation Heuristic Procedure with the Most Work Remaining(MWKR) as the
Consider the following job shop scheduling problem involving four jobs and three operations.Solve it using Non-delay Schedule Generation Heuristic Procedure with the Most Work Remaining (MWKR) as the
Write short notes on dispatching rules/priority rules.AppendixLO1
Explain the following:(a) Active Schedule.(b) Semiactive Schedule.(c) Nondelay Schedule.AppendixLO1
What is job shop scheduling problem? Distinguish it from flow shop scheduling problem.AppendixLO1
Between the flow shop scheduling and job shop scheduling to minimize the makespan, for the same problem size, the time taken for the job shop scheduling is that of the flow shop scheduling.(a) Equal
In the job shop scheduling with 2 machines and n jobs, in the Gantt chart to minimize the makespan, a line with 45° slope is drawn from the origin to the upper right corner by the regions such that
In the job shop scheduling with 2 machines and n jobs, in the Gantt chart to minimize the makespan, a line with 45° slope is drawn from the origin to the upper right corner by avoiding the regions
In the job shop scheduling with 2 machines and n jobs, in the Gantt chart to minimize the makespan, a line with slope is drawn from the origin to the upper right corner by avoiding the regions.(a)
In the job shop scheduling with 2 machines and n jobs, in the Gantt chart to minimize the makespan, a line is drawn from the origin to the upper corner by avoiding the regions.(a) Left (b) Right(c)
The condition used in semi-active schedule generation is(a) pi = q* (b) pi > q*(c) pi < q* (d) None of the above AppendixLO1
The condition used in non-delay schedule generation is(a) = P* (b) < p*(c) > p* (d) None of the above AppendixLO1
LWKR is a dispatch rule which selects the operation associated with the job having the work remaining to be processed.(a) Largest (b) Least(c) Average (d) None of the above.AppendixLO1
MWKR is a dispatch rule which selects the operation associated with the job having the work remaining to be processed.(a) Most (b) Minimum(c) Average (d) None of the above AppendixLO1
MOPNR is a dispatch rule which selects the operation that has number of successor operations.(a) Least (b) Maximum(c) Average (d) None of the above AppendixLO1
If no machine is kept idle at a time when it could begin processing some operation, then it is called a schedule.(a) Non-delay schedules (b) Active schedules(c) Semi-active (d) None of the above
The set of all schedules in which no local left-shift can be made is called the schedules.(a) Non-delay schedules (b) Active schedules(c) Semi-active (d) None of the above AppendixLO1
The set of all schedules in which no global left-shift can be made is called the schedules.(a) Non-delay schedules (b) Active schedules(c) All schedules (d) None of the above AppendixLO1
In job shop scheduling, moving various operation blocks to the left as much as possible on each machine to minimise the unwanted idle times is called(a) Local left-shift (b) Global left-shift(c) Left
The order in terms of set relationship among different schedules in job shop in increasing order of their sizes is(a) Non-delay schedules c Active schedules c Semi-active schedules c All schedules(b)
Semi-active schedules form a subset of schedules.(a) Non-delay schedules (b) Active schedules(c) All schedules (d) None of the above AppendixLO1
Semi-active schedules are generated in scheduling.(a) Single machine (b) Flow shop(c) Job shop (d) None of the above AppendixLO1
A triplet (i, j, k) is used to represent an operation in scheduling.(a) Single machine (b) Flow shop(c) Job shop (d) None of the above.AppendixLO1
In scheduling, routing data are to be given in addition to the processing times data.(a) Single machine (b) Flow shop(c) Job shop (d) None of the above AppendixLO1

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