Engineering - Construction Planning and Mgmt - Discussion

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Q.

A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will                         
A. reduce by 200 kg B. increase by 200 kg
C. increase by 250 kg D. reduce by 250 kg

Answer: Option A
Explaination:

 


No Explanation




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