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

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

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Construction Planning and Management
Sinking fund is

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

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