Lubricating oil of mass density 800 kg/m3 used in 360o hydrodynamic bearing has a flow rate of 6000 mm3. Neglecting side leakage if temperature rises to 10 oC and specific heat is 1.55 kJ/kg oC, what is the rate of heat dissipated in the bearing?


a. 7.4 W

b. 236 W

c. 0.236 kW

d. 0.0744 kW











ANSWER: 0.0744 kW


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