Preliminary project report for a road project must contain___________________?

A. the detailed estimated cost based on detailed design
B. the several alternatives of the project that have been considered
C. the soil survey, traffic survey, concept design and approximate cost
D. the contract documents for inviting tenders
✅ The correct answer is option C.

Batching refers to________________?

A. controlling the total quantity at each batch
B. weighing accurately, the quantity of each material for a job before mixing
C. controlling the quantity of each material into each batch
D. adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
✅ The correct answer is option C.

A four wheel trac*or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be___________________?

A. 20 kg/tonne
B. 30 kg/tonne
C. 40 kg/tonne
D. 50 kg/tonne
✅ The correct answer is option C.