1.

Flywheel diameter 1.2 m; diameter of the rope 12.5 mm; engine speed 100 r.p.m.; dead load on the brake 600 N; spring balance reading 150 N. Using this data, calculate the brake power of the engine in kW.

A. 2.85
B. 5.71
C. 11.4
D. 4.88
Answer» B. 5.71


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