Construction Planning and Management
Wheeled tractors are replacing crawler tractors because 1. Wheeled tractors travel faster. 2. Crawler tractors are more expensive. 3. Track parts of a crawler wear out quickly. 4. Crawler tractors have stick control. of following statements

2, 3 and 4 are correct
1, 3 and 4 are correct
1, 2 and 4 are correct
1, 2 and 3 are correct

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Construction Planning and Management
Sinking fund is

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

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Construction Planning and Management
Earliest finish of an activity is always

Less than earliest event time of the following node
Less than or equal to earliest event time of the following node
Greater than or equal to earliest event time of the following node
Greater than earliest event time of the following node

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