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NSS College of Engineering (NSSCE), Palakkad
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Expected Time of Activity i-j Solution

STEP 0: Pre-Calculation Summary
Formula Used
duration = EOT of j-EOT of i
tij = TEj-TEi
This formula uses 2 Variables
Variables Used
EOT of j - EOT of j is the earliest expected occurrence of even j, when we consider as activity i-j. (Measured in Day)
EOT of i - EOT of i is the earliest expected occurrence of time of even i, when we consider an activity i-j. (Measured in Day)
STEP 1: Convert Input(s) to Base Unit
EOT of j: 100 Day --> 8640000 Second (Check conversion here)
EOT of i: 120 Day --> 10368000 Second (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
tij = TEj-TEi --> 8640000-10368000
Evaluating ... ...
tij = -1728000
STEP 3: Convert Result to Output's Unit
-1728000 Second -->-20 Day (Check conversion here)
FINAL ANSWER
-20 Day <-- Duration of i-j
(Calculation completed in 00.016 seconds)

3 Other formulas that you can solve using the same Inputs

Earliest Expected Occurrence Time of Event j
earliest_occurence_j = EOT of i+Duration of i-j Go
Earliest Expected Occurrence Time of Event i
earliest_occurence_i = EOT of j-Duration of i-j Go
Slack of an Event i/j
slack_of_an_event = LOT of event j-EOT of j Go

Expected Time of Activity i-j Formula

duration = EOT of j-EOT of i
tij = TEj-TEi

What is an Event and an Activity?

An event represents the accomplishment of some task. In a network diagram, beginning and ending of an activity are represented as events. Each event is represented as a node in a network diagram. An event does not consume any time or resource. Each network diagram starts with an initial event and ends at a terminal event. An activity is a physically identifiable part of a project, which consumes both time and resources. Activity is represented by an arrow in a network diagram. The head of an arrow represents the start of activity and the tail of arrow represents its end. Activity description and its estimated completion time are written along the arrow.

How to Calculate Expected Time of Activity i-j?

Expected Time of Activity i-j calculator uses duration = EOT of j-EOT of i to calculate the Duration of i-j, The Expected Time of Activity i-j is the duration of completion of the activity i-j. An event is told to be occurred when all the activities leading to it is completed. Duration of i-j and is denoted by tij symbol.

How to calculate Expected Time of Activity i-j using this online calculator? To use this online calculator for Expected Time of Activity i-j, enter EOT of j (TEj) and EOT of i (TEi) and hit the calculate button. Here is how the Expected Time of Activity i-j calculation can be explained with given input values -> -20 = 8640000-10368000.

FAQ

What is Expected Time of Activity i-j?
The Expected Time of Activity i-j is the duration of completion of the activity i-j. An event is told to be occurred when all the activities leading to it is completed and is represented as tij = TEj-TEi or duration = EOT of j-EOT of i. EOT of j is the earliest expected occurrence of even j, when we consider as activity i-j and EOT of i is the earliest expected occurrence of time of even i, when we consider an activity i-j.
How to calculate Expected Time of Activity i-j?
The Expected Time of Activity i-j is the duration of completion of the activity i-j. An event is told to be occurred when all the activities leading to it is completed is calculated using duration = EOT of j-EOT of i. To calculate Expected Time of Activity i-j, you need EOT of j (TEj) and EOT of i (TEi). With our tool, you need to enter the respective value for EOT of j and EOT of i and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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