CONTENTS
MNO2601 EXAM SOLUTIONS 2015 - MAY/JUNE 2015 ................................................................................................ 4
SECTION A ....................................................................................................................................................................... 4
QUESTION 2..................................................................................................................................................................... 5
2.1 BMW and SAA production/operating processes are different. Differentiate by means of the transformation
model, Use table to illustrate. (8) ................................................................................................................................. 5
2.2 Outline the respective internal and external effects of each of the performance objectives (speed, quality,
flexibility, dependability and cost) (10) .......................................................................................................................... 5
2.3 Calculate EOQ: 94.87 tonnes. (use formulae given previously) ..................................................................... 9
2.4 Why is micro productivity important for production/operations management? ................................................. 9
4.3 IMPORTANCE OF MICRO-PRODUCTIVITY FOR PRODUCTION/OPERATIONS MANAGEMENT ............. 9
2.5 Concept of effectiveness to explain productivity justify your answer by referring to the Productivity SA
definition of effectiveness in the micro productivity context. ......................................................................................... 9
QUESTION 3................................................................................................................................................................... 10
3.1 ILLUSTRATE THE DPA PRODUCTIVITY MANGEMENT PROCESS CLEARLY OUTLINING THE FIVE
SEQUENTIAL STEPS. (6) ....................................................................................................................................... 10
3.2 DISTINGUISH BETWEEN THE FOLLOWING TWO TYPES OF OPERATIONS USING VOLUME, VARIETY
AND VARIETY. ........................................................................................................................................................... 10
3.2.1 KOO CANNED FRUIT FACTORY (3) ................................................................................................ 11
3.2.2 HAIR SALON (3) ............................................................................................................................. 11
QUESTION 4................................................................................................................................................................... 12
4.1 Advice to De Deers mines in terms of supply and demand factors in terms of their new location which has
been identified in the rural area 100km outside of Pretoria. ....................................................................................... 12
4.2 Incorporate the six key job- related elements when designing the jobs of a quarry. The midday
temperatures are 35o . The quarry delivers 100 blocks per day and employees both low-skilled and highly skilled
workers. Use practical examples. There is also large machines and noisy equipment. (6) .................................. 13
4.3 Dreamers Company has opened more than 130 food shops since 1980. Quality in every aspect of their
business not only just food is their focus. No centralised sandwich factory, all done by shops themselves. ............. 14
4.3.1 What are the advantages and disadvantages of Dreamers organising itself so that individual shops
make the sandwiches that they sell? List 2 of each (4) .......................................................................................... 14
4.3.2 How can effective operations management contribute to the shop’s success? List 4 factors. ............... 14
4.4 Johnson’s rule. Y X FEDCA (optimal job processing sequence.) (4) ................................................. 15
4.5 List any 5 disadvantages of holding inventory (5) ..................................................................................... 15
4.6 What are the disadvantages of holding inventory? ........................................................................................... 15
OCTOBER/NOVEMBER 2014 ....................................................................................................................................... 16
1
,SECTION A ..................................................................................................................................................................... 16
Question 2 ....................................................................................................................................................................... 16
2.1 Illustrate the transformation process by means of a simple process flow sketch using the example of ............... 16
2.1.1 A car manufacturing plant .............................................................................................................................. 16
2.1.2 A service provide by Avis Car Rental ............................................................................................................. 18
2.3 The five performance objectives relate specifically to the organisations basic task of satisfying customer
requirements. They also apply to all types of operations ........................................................................................... 18
2.3.1 Discuss the internal effect of the performance objectives of an organisation ................................................ 18
2.3.2 Discuss the external effect of the performance objectives of an organisation ............................................... 19
2.4 Extending our understanding into the area of macro-productivity tells us that productivity is not aonly about the
efficiency with which inputs are used to create outputs, there can and should also be an ultimate benefit to the
environment, the economy and society ...................................................................................................................... 19
2.4.1 Describe the macro perspective of productivity ............................................................................................. 19
2.4.2 Discuss how it can be improved in South Africa ............................................................................................ 19
3.1 To get to a final stage of design of a product or service, the design activity must pass through several key
stages. Discuss the different stages in product and service design .......................................................................... 20
3.2 Explain the supply and demand side factors with reference to a Mercedes Benz plant ...................................... 20
3.3 There are four basic layout types. Discuss the factors that would contribute to a good layout ........................... 22
3.4 A relationship exists between process types and basic layout types. Please summarise the manufacturing
process types and the service process types ............................................................................................................. 24
3.5 Explain what the information input requiremetns of MRP are and what the outputs derived from these will be? 24
Question 4 ....................................................................................................................................................................... 26
4.1 Behavioural models of job design are more concerned with individual’s reactions to, and attitudes to their job. It
is argued that jobs which are designed to fulfull peoples need for self-esteem and personal development are more
likely to achieve satisfactory work performance .......................................................................................................... 26
4.1.1 Defend the above statement with specific reference to the different types of behavioural approaches
available .................................................................................................................................................................. 26
4.1.2 Provide an example of each behavioural approach ....................................................................................... 26
4.2 Planning and control activities provide the systems, procedures and decisions which bring together different
aspects of supply and demand ................................................................................................................................... 28
4.2.1 Justify the above statement above by using the example of routine surgery that is organised in a hospital 28
4.2.2 Explain the difference between planning and control .................................................................................... 28
4.4 The various reasons for an imbalance between rates of supply and demand at different points within any
operations, lead to different types of inventory. Mention and discuss the different types of inventory ..................... 30
MAY/JUNE 2014 ............................................................................................................................................................. 31
2
,SECTION A ..................................................................................................................................................................... 31
2.4 A Car Manufacturer has a painting line with a design capacity of 99 squire metres per minute. The line is
operated 24 hours a day, 7 days a week. Records for a week show the following ................................................... 36
Question 3 ....................................................................................................................................................................... 37
3.1 The layout of an operation is concerned with the physical location of its transforming resources. Describe the
aspects which contribute to a good layout .................................................................................................................. 37
3.2 Discuss the unique characteristics of the four basic layout types......................................................................... 37
3.3 Describe the differences between job rotation, job enlargement, job enrichment, empowerment and team
working ........................................................................................................................................................................ 37
REF. FIG. 9.7 (PAGE 256) – A TYPICAL “BEHAVIOURAL” JOB DESIGN MODEL ................................................. 37
3.4 Discuss how PD ratios differ for ‘resource-to-order’, make to order, make to stock............................................. 39
3.5 Sequencing activities within planning and control determines the order in which the work is to be performed.
Discuss the 5 different sequencing rules .................................................................................................................... 39
3.6 ABC Blocks records an annual demand of 3500 batches of bricks for the year ................................................... 40
OCTOBER/NOVEMBER 2013 ....................................................................................................................................... 42
SECTION A ..................................................................................................................................................................... 42
SECTION B ..................................................................................................................................................................... 42
Asked in October/ November .................................................................................................................................. 44
EXAM MAY/JUNE 2013 ................................................................................................................................................. 47
SECTION A ..................................................................................................................................................................... 47
SECTION B ..................................................................................................................................................................... 48
OCTOBER /NOVEMBER 2012 ......................................................................................... Error! Bookmark not defined.
SECTION A ................................................................................................................... Error! Bookmark not defined.
SECTION B ....................................................................................................................... Error! Bookmark not defined.
MAY/JUNE 2012 ............................................................................................................... Error! Bookmark not defined.
SECTION A ....................................................................................................................... Error! Bookmark not defined.
SECTION B ....................................................................................................................... Error! Bookmark not defined.
3
, MNO2601 EXAM SOLUTIONS 2015 - MAY/JUNE 2015
SECTION A
QUESTION ANSWER PAGE IN TEXT BOOK
1 1 4
2 4
3 1 39
4 4 100
5 2
6 1 247
7 2
8 2 282
9 1 306
10 2
4
MNO2601 EXAM SOLUTIONS 2015 - MAY/JUNE 2015 ................................................................................................ 4
SECTION A ....................................................................................................................................................................... 4
QUESTION 2..................................................................................................................................................................... 5
2.1 BMW and SAA production/operating processes are different. Differentiate by means of the transformation
model, Use table to illustrate. (8) ................................................................................................................................. 5
2.2 Outline the respective internal and external effects of each of the performance objectives (speed, quality,
flexibility, dependability and cost) (10) .......................................................................................................................... 5
2.3 Calculate EOQ: 94.87 tonnes. (use formulae given previously) ..................................................................... 9
2.4 Why is micro productivity important for production/operations management? ................................................. 9
4.3 IMPORTANCE OF MICRO-PRODUCTIVITY FOR PRODUCTION/OPERATIONS MANAGEMENT ............. 9
2.5 Concept of effectiveness to explain productivity justify your answer by referring to the Productivity SA
definition of effectiveness in the micro productivity context. ......................................................................................... 9
QUESTION 3................................................................................................................................................................... 10
3.1 ILLUSTRATE THE DPA PRODUCTIVITY MANGEMENT PROCESS CLEARLY OUTLINING THE FIVE
SEQUENTIAL STEPS. (6) ....................................................................................................................................... 10
3.2 DISTINGUISH BETWEEN THE FOLLOWING TWO TYPES OF OPERATIONS USING VOLUME, VARIETY
AND VARIETY. ........................................................................................................................................................... 10
3.2.1 KOO CANNED FRUIT FACTORY (3) ................................................................................................ 11
3.2.2 HAIR SALON (3) ............................................................................................................................. 11
QUESTION 4................................................................................................................................................................... 12
4.1 Advice to De Deers mines in terms of supply and demand factors in terms of their new location which has
been identified in the rural area 100km outside of Pretoria. ....................................................................................... 12
4.2 Incorporate the six key job- related elements when designing the jobs of a quarry. The midday
temperatures are 35o . The quarry delivers 100 blocks per day and employees both low-skilled and highly skilled
workers. Use practical examples. There is also large machines and noisy equipment. (6) .................................. 13
4.3 Dreamers Company has opened more than 130 food shops since 1980. Quality in every aspect of their
business not only just food is their focus. No centralised sandwich factory, all done by shops themselves. ............. 14
4.3.1 What are the advantages and disadvantages of Dreamers organising itself so that individual shops
make the sandwiches that they sell? List 2 of each (4) .......................................................................................... 14
4.3.2 How can effective operations management contribute to the shop’s success? List 4 factors. ............... 14
4.4 Johnson’s rule. Y X FEDCA (optimal job processing sequence.) (4) ................................................. 15
4.5 List any 5 disadvantages of holding inventory (5) ..................................................................................... 15
4.6 What are the disadvantages of holding inventory? ........................................................................................... 15
OCTOBER/NOVEMBER 2014 ....................................................................................................................................... 16
1
,SECTION A ..................................................................................................................................................................... 16
Question 2 ....................................................................................................................................................................... 16
2.1 Illustrate the transformation process by means of a simple process flow sketch using the example of ............... 16
2.1.1 A car manufacturing plant .............................................................................................................................. 16
2.1.2 A service provide by Avis Car Rental ............................................................................................................. 18
2.3 The five performance objectives relate specifically to the organisations basic task of satisfying customer
requirements. They also apply to all types of operations ........................................................................................... 18
2.3.1 Discuss the internal effect of the performance objectives of an organisation ................................................ 18
2.3.2 Discuss the external effect of the performance objectives of an organisation ............................................... 19
2.4 Extending our understanding into the area of macro-productivity tells us that productivity is not aonly about the
efficiency with which inputs are used to create outputs, there can and should also be an ultimate benefit to the
environment, the economy and society ...................................................................................................................... 19
2.4.1 Describe the macro perspective of productivity ............................................................................................. 19
2.4.2 Discuss how it can be improved in South Africa ............................................................................................ 19
3.1 To get to a final stage of design of a product or service, the design activity must pass through several key
stages. Discuss the different stages in product and service design .......................................................................... 20
3.2 Explain the supply and demand side factors with reference to a Mercedes Benz plant ...................................... 20
3.3 There are four basic layout types. Discuss the factors that would contribute to a good layout ........................... 22
3.4 A relationship exists between process types and basic layout types. Please summarise the manufacturing
process types and the service process types ............................................................................................................. 24
3.5 Explain what the information input requiremetns of MRP are and what the outputs derived from these will be? 24
Question 4 ....................................................................................................................................................................... 26
4.1 Behavioural models of job design are more concerned with individual’s reactions to, and attitudes to their job. It
is argued that jobs which are designed to fulfull peoples need for self-esteem and personal development are more
likely to achieve satisfactory work performance .......................................................................................................... 26
4.1.1 Defend the above statement with specific reference to the different types of behavioural approaches
available .................................................................................................................................................................. 26
4.1.2 Provide an example of each behavioural approach ....................................................................................... 26
4.2 Planning and control activities provide the systems, procedures and decisions which bring together different
aspects of supply and demand ................................................................................................................................... 28
4.2.1 Justify the above statement above by using the example of routine surgery that is organised in a hospital 28
4.2.2 Explain the difference between planning and control .................................................................................... 28
4.4 The various reasons for an imbalance between rates of supply and demand at different points within any
operations, lead to different types of inventory. Mention and discuss the different types of inventory ..................... 30
MAY/JUNE 2014 ............................................................................................................................................................. 31
2
,SECTION A ..................................................................................................................................................................... 31
2.4 A Car Manufacturer has a painting line with a design capacity of 99 squire metres per minute. The line is
operated 24 hours a day, 7 days a week. Records for a week show the following ................................................... 36
Question 3 ....................................................................................................................................................................... 37
3.1 The layout of an operation is concerned with the physical location of its transforming resources. Describe the
aspects which contribute to a good layout .................................................................................................................. 37
3.2 Discuss the unique characteristics of the four basic layout types......................................................................... 37
3.3 Describe the differences between job rotation, job enlargement, job enrichment, empowerment and team
working ........................................................................................................................................................................ 37
REF. FIG. 9.7 (PAGE 256) – A TYPICAL “BEHAVIOURAL” JOB DESIGN MODEL ................................................. 37
3.4 Discuss how PD ratios differ for ‘resource-to-order’, make to order, make to stock............................................. 39
3.5 Sequencing activities within planning and control determines the order in which the work is to be performed.
Discuss the 5 different sequencing rules .................................................................................................................... 39
3.6 ABC Blocks records an annual demand of 3500 batches of bricks for the year ................................................... 40
OCTOBER/NOVEMBER 2013 ....................................................................................................................................... 42
SECTION A ..................................................................................................................................................................... 42
SECTION B ..................................................................................................................................................................... 42
Asked in October/ November .................................................................................................................................. 44
EXAM MAY/JUNE 2013 ................................................................................................................................................. 47
SECTION A ..................................................................................................................................................................... 47
SECTION B ..................................................................................................................................................................... 48
OCTOBER /NOVEMBER 2012 ......................................................................................... Error! Bookmark not defined.
SECTION A ................................................................................................................... Error! Bookmark not defined.
SECTION B ....................................................................................................................... Error! Bookmark not defined.
MAY/JUNE 2012 ............................................................................................................... Error! Bookmark not defined.
SECTION A ....................................................................................................................... Error! Bookmark not defined.
SECTION B ....................................................................................................................... Error! Bookmark not defined.
3
, MNO2601 EXAM SOLUTIONS 2015 - MAY/JUNE 2015
SECTION A
QUESTION ANSWER PAGE IN TEXT BOOK
1 1 4
2 4
3 1 39
4 4 100
5 2
6 1 247
7 2
8 2 282
9 1 306
10 2
4