100%
MN03701
EXAM PACK
DISTINCTION QUALITY
UNISA EXAM
, QUESTION 1
21 As the production and operations manager of AJH Nkosi (Pty) Ltd in Tshwane,
you are the mentor to a new intern at a manufacturing plant Identify and explain
to the intern what the basic performance objectives for production/operations
management at your company entail
Ans:
Quality – satisfying customers by providing error free goods and services
Speed – do things fast
Dependability – do things on time and keep the delivery promise
Flexibility – change far enough and fast enough to meet customer requirements:
22 Just-in-time (JIT) is a method of planning and control and an operations philosophy
that aims to meet demand instantaneously, with perfect quality and no waste
Explain three (3) advantages {3 marks) and one (1) disadvantage {1 mark) of a
car manufacturing plant operating according to the just-in-time (JIT) philosophy
23 The inventory record (item master file) for screwdriver handles shows the
following planning factors batches are set at quantities of 25, safety stock is set
at 5 handles, the available inventory is 90 and the lead time for orders is 2
weeks When will the first and second order be issued (i e in which week) and
what will the available inventory in week 5 be (i e the quantity of items)9
1 2 3 4 5
2 mm 11 10
7 mm 18 16 18
Star 5 8 20 8 6 2
MPS 37 20 24 16 20
Populate the table low
Week
0 1 2 3 4 5
Gross 37 20 24 16 20
required
Available 90
inventory
Planned
order
Page 1 of 21
,Past Exam Question – 2017 – 2015 (both semesters)
24 Many methods and techniques can be used to improve operations management
Identify and explain four (4) techniques that can be used to improve quality
management
(4)
25 Explain the concept of “totality” in TQM (total quality management) {3 marks}
and provide the seven (7) fundamentals of the TQM approach {7 marks}
(10)
ANS: (June2013
TQM is best thought of as a philosophy of how to approach the organisation of quality improvement. This philosophy,
above everything, stresses the ‘total’ of TQM. It is an approach that puts quality at the heart of everything that is done by
the operation and including all activities within an operation. This totality can be summarised by the way TQM lays
particular stress on the following fundamentals:
Meeting the needs and expectations of customers;
Covering all parts of the organisation;
Including every person in the organisation;
Examining all costs which are related to quality, especially failure costs;
Getting things ‘right first time’, i.e. designing-in quality rather than inspecting it in;
Developing the systems and procedures which support quality and improvement;
Developing a continuous process of improvement.
QUESTION 3
31 You are the production and operations manager of your company To compile a
marketing brochure for your company, you have to explain total productive
maintenance to the marketing manager How will you explain what the goals of
total productive maintenance (TPM) are {3 marks}? How does TPM differ from
reliability-centred maintenance (ROM) {1 mark}?
(4}
ANS: May/June 2015
Goals of TPM
TPM aims to establish good maintenance practice in operations through the pursuit of the 5 goals of TPM:
Improve equipment effectiveness by examining all the losses which occur
Achieve autonomous maintenance by allowing staff to take responsibility for some maintenance tasks and for
the improvement of maintenance performance
Plan maintenance with a fully worked out approach to all maintenance activities
Train all staff in relevant maintenance skills so that maintenance and operating staff have the skills to carry out
their roles
Achieve early equipment management by ‘maintenance prevention’ (MP) which involves considering failure
causes, maintainability of equipment during design, manufacture, installation and commissioning.
Difference between TPM and RCM
TPM recommends preventative maintenance when it is not necessarily appropriate whilst RCM uses the pattern
of failure for each type of failure mode of a part of a system to dictate the approach to its maintenance.
RCM is more appropriate in circumstances where failure or breakdowns occurs in a relatively
random manner (thus failure patterns cannot be predicted).
Page 2 of 21
, 32 New Africa Engineering (Pty) Ltd is implementing a project with the activities
indicated in the table below
Draw a critical path method (CPM) network and determine the ES, EF, LS and
LF for activities E, F and G
Activity Duration of activity Immediate followers
(days)
A 10 B, C, D
B 2 E
C 6 F
D 6 G
E 2 F
F 10 H
G 2 H, I
H 2 I
1 2 J
J 2 -
(6)
33 During the transformation process (of production and operations management),
resources are treated, transformed or converted in any process Identify three (3)
transformed resources and explain what their transformation entails
______________________ (6)
34 The product/service life cycle is a generalised model of the behaviour of both
customers and competitors during the life of a product or service It is generally
considered to have four stages Identify the four (4) stages and explain each
one
(4)
ANS:
The product/Service Life cycle influence on performance objectives One way of generalizing the
behaviour of both customers and competitors is to link it to the life cycle of the products or services
that the operation is producing. The form of product or Services Life cycles will vary but generally
they are shown as the sales volume passing through four stages.
Introduction
Growth
Maturity
Decline
Introduction stage When a product or service is introduced it is likely to be offering something new
in terms of its design or performance. Needs of customers are unlikely to be well understood, so the
operations management needs to develop the flexibility to cope with any changes and provide
quality.
Growth Stage Is volume growing, competitors may move into the growing market. Keeping up with
demand could prove to be the main operations preoccupation. Rapid and dependable response to
demand will help to keep demand buoyant while quality levels ensure that the company keeps its
share of the market as competition starts to increase. See figure 3.7 on page 69 of the textbook
Maturity Stage Demand starts to level off. Early competitors may have left the market and the
industry is probably dominated by a few large players. Operations will be expected to get the cost
Page 3 of 21
MN03701
EXAM PACK
DISTINCTION QUALITY
UNISA EXAM
, QUESTION 1
21 As the production and operations manager of AJH Nkosi (Pty) Ltd in Tshwane,
you are the mentor to a new intern at a manufacturing plant Identify and explain
to the intern what the basic performance objectives for production/operations
management at your company entail
Ans:
Quality – satisfying customers by providing error free goods and services
Speed – do things fast
Dependability – do things on time and keep the delivery promise
Flexibility – change far enough and fast enough to meet customer requirements:
22 Just-in-time (JIT) is a method of planning and control and an operations philosophy
that aims to meet demand instantaneously, with perfect quality and no waste
Explain three (3) advantages {3 marks) and one (1) disadvantage {1 mark) of a
car manufacturing plant operating according to the just-in-time (JIT) philosophy
23 The inventory record (item master file) for screwdriver handles shows the
following planning factors batches are set at quantities of 25, safety stock is set
at 5 handles, the available inventory is 90 and the lead time for orders is 2
weeks When will the first and second order be issued (i e in which week) and
what will the available inventory in week 5 be (i e the quantity of items)9
1 2 3 4 5
2 mm 11 10
7 mm 18 16 18
Star 5 8 20 8 6 2
MPS 37 20 24 16 20
Populate the table low
Week
0 1 2 3 4 5
Gross 37 20 24 16 20
required
Available 90
inventory
Planned
order
Page 1 of 21
,Past Exam Question – 2017 – 2015 (both semesters)
24 Many methods and techniques can be used to improve operations management
Identify and explain four (4) techniques that can be used to improve quality
management
(4)
25 Explain the concept of “totality” in TQM (total quality management) {3 marks}
and provide the seven (7) fundamentals of the TQM approach {7 marks}
(10)
ANS: (June2013
TQM is best thought of as a philosophy of how to approach the organisation of quality improvement. This philosophy,
above everything, stresses the ‘total’ of TQM. It is an approach that puts quality at the heart of everything that is done by
the operation and including all activities within an operation. This totality can be summarised by the way TQM lays
particular stress on the following fundamentals:
Meeting the needs and expectations of customers;
Covering all parts of the organisation;
Including every person in the organisation;
Examining all costs which are related to quality, especially failure costs;
Getting things ‘right first time’, i.e. designing-in quality rather than inspecting it in;
Developing the systems and procedures which support quality and improvement;
Developing a continuous process of improvement.
QUESTION 3
31 You are the production and operations manager of your company To compile a
marketing brochure for your company, you have to explain total productive
maintenance to the marketing manager How will you explain what the goals of
total productive maintenance (TPM) are {3 marks}? How does TPM differ from
reliability-centred maintenance (ROM) {1 mark}?
(4}
ANS: May/June 2015
Goals of TPM
TPM aims to establish good maintenance practice in operations through the pursuit of the 5 goals of TPM:
Improve equipment effectiveness by examining all the losses which occur
Achieve autonomous maintenance by allowing staff to take responsibility for some maintenance tasks and for
the improvement of maintenance performance
Plan maintenance with a fully worked out approach to all maintenance activities
Train all staff in relevant maintenance skills so that maintenance and operating staff have the skills to carry out
their roles
Achieve early equipment management by ‘maintenance prevention’ (MP) which involves considering failure
causes, maintainability of equipment during design, manufacture, installation and commissioning.
Difference between TPM and RCM
TPM recommends preventative maintenance when it is not necessarily appropriate whilst RCM uses the pattern
of failure for each type of failure mode of a part of a system to dictate the approach to its maintenance.
RCM is more appropriate in circumstances where failure or breakdowns occurs in a relatively
random manner (thus failure patterns cannot be predicted).
Page 2 of 21
, 32 New Africa Engineering (Pty) Ltd is implementing a project with the activities
indicated in the table below
Draw a critical path method (CPM) network and determine the ES, EF, LS and
LF for activities E, F and G
Activity Duration of activity Immediate followers
(days)
A 10 B, C, D
B 2 E
C 6 F
D 6 G
E 2 F
F 10 H
G 2 H, I
H 2 I
1 2 J
J 2 -
(6)
33 During the transformation process (of production and operations management),
resources are treated, transformed or converted in any process Identify three (3)
transformed resources and explain what their transformation entails
______________________ (6)
34 The product/service life cycle is a generalised model of the behaviour of both
customers and competitors during the life of a product or service It is generally
considered to have four stages Identify the four (4) stages and explain each
one
(4)
ANS:
The product/Service Life cycle influence on performance objectives One way of generalizing the
behaviour of both customers and competitors is to link it to the life cycle of the products or services
that the operation is producing. The form of product or Services Life cycles will vary but generally
they are shown as the sales volume passing through four stages.
Introduction
Growth
Maturity
Decline
Introduction stage When a product or service is introduced it is likely to be offering something new
in terms of its design or performance. Needs of customers are unlikely to be well understood, so the
operations management needs to develop the flexibility to cope with any changes and provide
quality.
Growth Stage Is volume growing, competitors may move into the growing market. Keeping up with
demand could prove to be the main operations preoccupation. Rapid and dependable response to
demand will help to keep demand buoyant while quality levels ensure that the company keeps its
share of the market as competition starts to increase. See figure 3.7 on page 69 of the textbook
Maturity Stage Demand starts to level off. Early competitors may have left the market and the
industry is probably dominated by a few large players. Operations will be expected to get the cost
Page 3 of 21
