Construction Planning and Management
During the construction period, price variation clause in contracts caters to

Variation in total cost of the project on an ad hoc basis
Rate of inflation
Variation in cost in materials element, labour element and petrol-oil-lubricant element
Increase in rates of only important materials

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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.

Both A and R is true and R is the correct explanation of A
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

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

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

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