Agricultural Engineering > GATE 2026 > Tractor Engines
A tractor engine delivers 382 N.m brake torque at a rated speed of 2000 rpm. The radiator cooling fan draws 5% of the engine brake power. The fan pushes 2.8 m3.sβˆ’1 of air against 0.9 kPa static pressure rise. Assuming air as incompressible, and ignoring other losses, the fan efficiency, in %, is nearest to
(Take Ο€ = 3.14)
A
58
B
60
C
63
D
65

Correct : b

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