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Question

Regarding journal bearing under film lubrication condition which of the following statement is correct?

Frictionless resistance is

फिल्म स्नेहन स्थिति के तहत जर्नल बियरिंग के संबंध में निम्नलिखित में से कौन सा कथन सही है?

घर्षण रहित प्रतिरोध है

A.

Directly proportional to the pressure 

B.

Proportional to the speed of rotation

C.

Inversely proportional to the viscosity of the lubricant

D.

Independent of the area

Answer ( Option B)

Proportional to the speed of rotation

Solution

In case of journal bearing under film lubrication condition, the frictional resistance is given by

     

From the above two relation, we can conclude that

             (Speed of rotation)

Hence, the correct option is (B).

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