engineering recuitment GATE ME 2023-24 Test Series Design of Machine Elements Sliding Contact Bearing Hydrodynamic Bearing
A journal bearing with hydrodynamic lubrication is running steadily with a certain amount of minimum film thickness. When the load and speed are doubled, how does the minimum film thickness vary?
1
Remains uncharged
2
Gets doubled
3
Gets reduced to one-fourth of original value
4
Gets reduced to half of original value