Construction Planning and Management
Rolling resistance of a wheel depends upon
(i) Vehicle load
(ii) Grade
(iii) Ground conditions

(ii) and (iii) are correct
(i) and (iii) are correct
Only (i) is correct
(i) and (ii) are correct

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Construction Planning and Management
Latest start of an activity is always

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

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