Construction Planning and Management
A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is:Drive wheels: 25000 kgScraper wheels: 10000 kgIf the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is

12500 kg
5000 kg
22500 kg
10000 kg

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

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