Construction Planning and Management
The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is

3425 kg
4350 kg
2975 kg
5515 kg

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Construction Planning and Management
Latest start of an activity is always

greater than or equal to latest event time of preceding node
equal to latest event time of preceding node
less than latest event time of preceding node
less than or equal to latest event time of preceding node

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