MNO3701 LATEST EXAM PACK

MNO3701
EXAM PACK

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UNIVERSITY EXAMINATIONS




October/November 202 5

MNO3701

PRODUCTION AND OPERATIONS MANAGEMENT


70 marks
Duration: four hours


EXAMINERS:


FIRST: PROF A TOLMAY
SECOND: DR A AMADI -ECHENDU




Instructions


• Include the honesty declaration when you upload your portfolio.


• Read through and adhere to all the instruction s for this portfolio .

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Question 1 [20 x 2 = 40]

Write only the answer to each of the multiple-choice questions provided below (example: 1.1
= a).


1.1 According to the AoN diagram as per the table below, identify the LF for activity E and the EF for
activity F, respectively.
Activity Duration Immediate follower
A 1 B, C, D, E
B 3 F
C 4 F
D 2 F
E 4 F
F 4 G
G 1 -


1 The LF for activity E is 5; the EF for activity F is 4.
2 The LF for activity E is 4; the EF for activity F is 9.
3 The LF for activity E is 4; the EF for activity F is 4.
4 The LF for activity E is 1; the EF for activity F is 1.
5 The LF for activity E is 5; the EF for activity F is 9.


1.2 From the AoN in the answer to question 1, identify the activity or activities with slack.

a activity A b
activity B c
activity C d
activity D e
activity E

1 a
2 b and d
3 b, c and d
4 a, b, c and d 5 None of the above.


1.3 From the AoN in the answer to question 1, identify the critical path(s).

1 A, B, F, G
2 A, C, F, G
3 A, D, F, G
4 A, E, F, G
5 A, C, F G and A, E, F, G

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1.4 Material requirements planning (MRP) is used to plan and control material requirements. The master
production schedule (MPS) for three sizes of screwdriver is given in the table below. All three
screwdrivers (2 mm, 7 mm and Star 5) use the same handle. The available stock is 70, orders are
placed in batches of 20 and the safety stock is set at two. The lead time is two weeks.
Item Week

1 2 3 4 5

2 mm 10 10

7 mm 18 18 18
Star 5 8 8 8 8 8


MPS 36 8 26 18 26


In which week is the second planned order?

1 week 1
2 week 2
3 week 3
4 week 4
5 week 5


1.5 Which of the following are typical problems that are experienced during the implementation of
enterprise resource planning (ERP)?

a The level of outside expertise required will be more than anticipated. b The total cost
is likely to be underestimated. c The changes required to business processes will be
greater than expected.
d There will never be enough training. e Controlling the scope of a project will be
more difficult than expected.


1 a, b and c
2 c, d and e
3 a, d and e
4 b, c, d and e
5 a, b, c, d and e




1.1 Identification of LF for activity E and EF for activity F