GTU MBA, 2nd Sem., Production and Operations Management Exam past Papers

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Here I am giving you the Gujarat Technological University MBA, 2nd Sem., Production and Operations Management Exam past Papers


Q.1 (a) Define operations management. Describe input-transformation-output
relationship in an automobile factory, a restaurant, and a super market.
07
(b) List the major reasons for and against locating a new apparel manufacturing
plant into a city.
07
Q.2 (a) Define costs associated with inventory.
Consider the data pertaining to purchase of a component as given below for a
small manufacturing organization:
Annual demand- 1200 units
Cost of ordering- Rs.15 per order
Cost of holding inventory- Rs.2.5per unit per year
Price- Rs. 25 per unit
Average working days in year- 365
Lead time- 7 days
Calculate (i) EOQ, (ii) reorder point, and (iii) total annual cost associated to
inventory.
07
(b) State the advantage of exponential smoothing method of forecasting.
Consider following data for a product having trends in demand given as under:
Initial exponentially smoothed forecast for period t- 120 units
Exponentially smoothed trend for period t- 12 units
Alpha- 0.2 and Delta- 0.28
If actual demand was observed to be 145 against the forecast of 120, calculate
(i) the forecast and (ii) trend for next period.
07
OR
(b) Explain the three strategies in aggregate planning. Distinguish between pure and
mixed strategies. What are the four major costs associated with these strategies?
07
Q.3 (a) “Project control should always focus on the critical path”- critically examine the
statement.
07
(b) Define sequencing. State ‘shortest processing time’ and ‘earliest due date’
priority sequencing rules.
For the data given as under, calculate (i) flow time, (ii) total flow time and (iii)
mean flow time using above sequencing rules.
Job
( as per arrival if the orders)
Processing Time
(days)
Due Dates
(day)
A 5 10
B 6 8
C 4 9
07
2
OR
Q.3 (a) The data for a project is collected as shown here under:
Activity Preceding activities Time (days) required Cost Rs.
Normal Crash Normal Crash
A - 6 4 13000 14000
B A 4 3 10000 11000
C A 5 3 11000 12000
D B 7 5 13000 16000
E B,C 2 2 8000 8000
F C 4 3 10000 13000
G E, F 5 4 14000 19000
H D, E 6 4 12000 17000
I H, G 8 5 18000 24000
(i) Draw the project network and show critical path. (ii) Calculate estimated
project completion time. (iii) To crash the project by three weeks, which activities
should be crashed and what shall be the cost of crashing?
07
(b) What do you understand by ‘shop floor control’? What are its functions? Explain
Gantt chart as a tool for shop floor control.
07
Q.4 (a) What is ‘line structure’ in waiting lines? Explain single channel- single phase,
multi channel- single phase and multi channel- multiphase line structures.
07
(b) Define supply chain management. Explain the recent changes in business
environment which made supply chain management highly important.
07
OR
Q.4 (a) With reference to supply chain strategy, explain the concept of ‘Bull Whip
Effect’. Compare the efficient supply chains v/s responsive supply chains.
07
(b) List the applications of waiting line management techniques. Consider following
data regarding a waiting line problem.
A university is considering opening a fee collection counter at university
canteen. The student’s arrival rate is estimated as 12 per hour. The estimated
average service time per student is 4 minutes. Assume arrival according to
Poison and service according to Exponential distribution. Calculate
Average utilization of counter clerk
Average number of students in waiting line
Average number of students in the waiting line system
Average time for which a student will wait in waiting line
Average waiting time in the system, including service time.
07
Q.5 (a) Discuss the contribution of Deming, Juran and Crosby in the field of quality. 07
(b) Explain the pull approach of JIT manufacturing. Compare it with conventional
push approach.
07
OR
Q.5 (a) Briefly explain the seven elements to achieve waste elimination in JIT. 07
(b) Draw the ‘operating characteristics’ curve and explain ‘producer’s risk’ and
‘consumer’s risk’.