Construction Planning and Management
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing.Reason R: If the angle of swing is decreased, the cycle time will be decreased.

A is true but R is false
Both A and R is true but R is not the correct explanation of A
A is false but R is true
Both A and R is true and R is the correct explanation of A

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Construction Planning and Management
Batching refers to

Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
Controlling the quantity of each material into each batch
Weighing accurately, the quantity of each material for a job before mixing
Controlling the total quantity at each batch

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