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

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Construction Planning and Management
Sinking fund is

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
The fund for rebuilding a structure when its economic life is over

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