Sulaiman is planning to take his car for regular service. The work required in servicing is divided into several activities and represented in the below table along with the time taken for each task: ACTIVITY TASK Activity symbol iMMEDIATE PREDECESSORS Duration (min) Open the petrol tank cap A - 2 Add petrol (Paid service) B A 14 Close the petrol tank cap C B 10 Open bonnet, check and add engine oil (Paid service) D - 19 Check radiator coolant, Check battery, Close bonnet E D 12 Clean the wind shield, Check air pressure in tires F - 12 Prepare bill G B,E 11 Collect payment H G 15 Draw the network diagram and find the earliest start and latest finish time of all the activities. Also determine the total project time for which Sulaiman will stay at the service station and list out the critical activities.
Sulaiman is planning to take his car for regular service. The work required in servicing is divided into several activities and represented in the below table along with the time taken for each task: ACTIVITY TASK Activity symbol iMMEDIATE PREDECESSORS Duration (min) Open the petrol tank cap A - 2 Add petrol (Paid service) B A 14 Close the petrol tank cap C B 10 Open bonnet, check and add engine oil (Paid service) D - 19 Check radiator coolant, Check battery, Close bonnet E D 12 Clean the wind shield, Check air pressure in tires F - 12 Prepare bill G B,E 11 Collect payment H G 15 Draw the network diagram and find the earliest start and latest finish time of all the activities. Also determine the total project time for which Sulaiman will stay at the service station and list out the critical activities.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Sulaiman is planning to take his car for regular service. The work required in servicing is divided into several activities and represented in the below table along with the time taken for each task:
ACTIVITY TASK | Activity symbol |
iMMEDIATE PREDECESSORS |
Duration (min) |
Open the petrol tank cap |
A |
- | 2 |
Add petrol (Paid service) | B | A | 14 |
Close the petrol tank cap | C | B | 10 |
Open bonnet, check and add engine oil (Paid service) |
D | - | 19 |
Check radiator coolant, Check battery, Close bonnet |
E | D | 12 |
Clean the wind shield, Check air pressure in tires |
F | - | 12 |
Prepare bill | G | B,E | 11 |
Collect payment | H | G | 15 |
Draw the network diagram and find the earliest start and latest finish time of all the activities. Also determine the
total project time for which Sulaiman will stay at the service station and list out the critical activities.
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