Agriculture Engineering > GATE 2024 > Rotary Mower
A tractor drawn rotary mower has a swath width 1.2 m when operated at a forward speed of 5 km.h⁻¹. The specific power loss due to air, stubble and gear train friction per m of swath width is 1.5 kW and the specific cutting energy is 2 kJ.m⁻². The total weight of tractor with mower is 25 kN and the resistance to propel the tractor with mower is 6% of its total weight. Assuming transmission efficiency between engine to drawbar as 75% and engine to PTO as 87%, the total engine power required to carry out mowing, in kW, is _______. (Rounded off to 2 decimal places)
Correct : 8.44
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