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UPSC ESE 2018 Mechanical Engineering Paper

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Question : 71 of 148

Marks: +1, -0

In a journal bearing, the diameter of the journal is 0.15 m , its speed is 900 rpm and the load on the bearing is 40 kN . Considering µ= 0.0072 , the heat generated will be nearly

1 kW
2 kW
3 kW
4 kW

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