UNIVERSITY EXAMINATIONS
MNO2602 October/November 2021
Quality Management and Techniques
Duration: 4 Hours 70 Marks
EXAMINERS:
FIRST: MR FJ HAMMANN
SECOND: DR R DIRKSE VAN SCHALKWYK
This examination paper consists of 11 pages including three annexures.
INSTRUCTIONS / INFORMATION:
• This portfolio examination consists of two sections for a total of 70 marks. Section A has 10 compulsory
multiple choice questions. Section B has 3 essay-type questions of which you must answer any two.
• Refer to Annexure A (p 9) for the formula sheet.
• Refer to Annexure B (p 10) for factors to determine control limits.
• Refer to Annexure C (p 11) for values to create OC curves.
• Where applicable, show all your calculations. Round off your final answer to two decimal places.
• Take note of the mark allocation of each question and time limit of the paper (4 hours).
• Read each question very carefully. Make sure your answer reflects what has been asked.
• NB: Please follow the steps outlined in the student help guide to submit your answer file. The student
help guide can be viewed at the following link:
https://www.unisa.ac.za/sites/myunisa/default/Assignments-&-Examination/Examinations/Essential-tips-
for-online-examinations/Take-Home-or-Portfolio-Exam-File-Upload-On-myUnisa
, 2 MNO2602
October/November 2021
SECTION A
This section must be answered by ALL candidates. Please answer ALL TEN multiple choice
questions from Section A. Select only ONE option and write down the corresponding number.
Question 1 [10]
1.1 Which one of the following statements is correct?
ANSWER: 1
Services are distinguished from manufacturing on several dimensions, one of which is that
many service attributes are intangible. This means that they cannot be inventoried or carried
in stock for long periods of time.
1.2 Which one of the following is an example of a strategic content variable?
ANSWER: 3
Time
1.3 Which of the following statements is correct?
ANSWER: 5
In benchmarking, the initiator firm is the firm that initiates contact and studies other firms,
while the target firm is the one that is being studied.
1.4 During which stage in the product development process do designers choose the
processes that will be used to transform the materials into final products?
ANSWER: 3
Technology development for process selection.
1.5 Which type of environment of the firm refers to the operating structure that the firm
encounters when globalising?
ANSWER: 3
Task environment
1.6 Which type of variation results from a shift in a process mean or some unexpected
occurrence?
ANSWER: 1
Random variation
1.7 Suppose a product has a failure rate of 0.04 per operating hour and a useful life of 85
hours. Calculate the reliability of this product.
ANSWER: 2
0.033
1.8 Which of the following statements is correct?
ANSWER: 2
An OC curve is a graphical method to assess the probabilities of acceptance for a
shipment, given the quality of the shipment.
MNO2602 October/November 2021
Quality Management and Techniques
Duration: 4 Hours 70 Marks
EXAMINERS:
FIRST: MR FJ HAMMANN
SECOND: DR R DIRKSE VAN SCHALKWYK
This examination paper consists of 11 pages including three annexures.
INSTRUCTIONS / INFORMATION:
• This portfolio examination consists of two sections for a total of 70 marks. Section A has 10 compulsory
multiple choice questions. Section B has 3 essay-type questions of which you must answer any two.
• Refer to Annexure A (p 9) for the formula sheet.
• Refer to Annexure B (p 10) for factors to determine control limits.
• Refer to Annexure C (p 11) for values to create OC curves.
• Where applicable, show all your calculations. Round off your final answer to two decimal places.
• Take note of the mark allocation of each question and time limit of the paper (4 hours).
• Read each question very carefully. Make sure your answer reflects what has been asked.
• NB: Please follow the steps outlined in the student help guide to submit your answer file. The student
help guide can be viewed at the following link:
https://www.unisa.ac.za/sites/myunisa/default/Assignments-&-Examination/Examinations/Essential-tips-
for-online-examinations/Take-Home-or-Portfolio-Exam-File-Upload-On-myUnisa
, 2 MNO2602
October/November 2021
SECTION A
This section must be answered by ALL candidates. Please answer ALL TEN multiple choice
questions from Section A. Select only ONE option and write down the corresponding number.
Question 1 [10]
1.1 Which one of the following statements is correct?
ANSWER: 1
Services are distinguished from manufacturing on several dimensions, one of which is that
many service attributes are intangible. This means that they cannot be inventoried or carried
in stock for long periods of time.
1.2 Which one of the following is an example of a strategic content variable?
ANSWER: 3
Time
1.3 Which of the following statements is correct?
ANSWER: 5
In benchmarking, the initiator firm is the firm that initiates contact and studies other firms,
while the target firm is the one that is being studied.
1.4 During which stage in the product development process do designers choose the
processes that will be used to transform the materials into final products?
ANSWER: 3
Technology development for process selection.
1.5 Which type of environment of the firm refers to the operating structure that the firm
encounters when globalising?
ANSWER: 3
Task environment
1.6 Which type of variation results from a shift in a process mean or some unexpected
occurrence?
ANSWER: 1
Random variation
1.7 Suppose a product has a failure rate of 0.04 per operating hour and a useful life of 85
hours. Calculate the reliability of this product.
ANSWER: 2
0.033
1.8 Which of the following statements is correct?
ANSWER: 2
An OC curve is a graphical method to assess the probabilities of acceptance for a
shipment, given the quality of the shipment.
