Construction Planning and Management
Consider the following statements for a power shovel: (i) Output can be increased by reducing the angle of swing for a given depth of cut. (ii) For a given angle of swing, output will be maximum at optimum depth of cut. (iii) Output can be increased by keeping the depth of cut less than optimum depth. (iv) Output can be increased by increasing the size of shovel.

(i), (iii) and (iv) are correct
(i) and (iv) are correct
(i), (ii) and (iv) are correct
(ii), (iii) and (iv) are correct

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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
less 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

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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
All listed here
The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time

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