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

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Construction Planning and Management
Latest start of an activity is always

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

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Construction Planning and Management
Sinking fund is

The total sum to be paid to the municipal authorities by the tenants
The fund for rebuilding a structure when its economic life is over
A part of the money kept in reserve for providing additional structures and structural modifications
Raised to meet maintenance costs

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