Construction Planning and Management
In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having

Least cost slope
Shortest duration
Longest duration
Highest cost slope

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Construction Planning and Management
Crash project duration is obtained by summing the

Crash durations for all activities
Crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
Normal durations for all the activities
Crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities

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Construction Planning and Management
Pick up the correct statement from the following with regards to C.P.M. network analysis of projects

Earliest occurrence time of the event from which the activity arrow' originates, is called earliest start time of the activity
The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
All listed here
The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time

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Construction Planning and Management
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing.Reason R: If the angle of swing is decreased, the cycle time will be decreased.

A is false but R is true
A is true but R is false
Both A and R is true but R is not the correct explanation of A
Both A and R is true and R is the correct explanation of A

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