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 TASKActivitysymboliMMEDIATEPREDECESSORSDuration (min)Open the petrol tank capA-2Add petrol (Paid service)BA14Close the petrol tank capCB10Open bonnet, check and add engineoil (Paid service)D-19Check radiator coolant, Checkbattery, Close bonnetED12Clean the wind shield, Check airpressure in tiresF-12Prepare billGB,E11Collect paymentHG15 Draw the network diagram and find the earliest start and latest finish time of all the activities. Also determine thetotal project time for which Sulaiman will stay at the service station and list out the critical activities.

Name: Sulaiman is planning to take his car for regular service. The work req
Uploaded: 2024-03-20T07:07:26.000Z
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Description: 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 TASKActivitysymboliMMEDIATEPREDECESSORSDur

The network diagram is as follows

Answered: Sulaiman is planning to take his car…

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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