Theory of Machine
In a hydrodynamic journal bearing, there is

No lubricant between the journal and the bearing
A thick film of lubricant between the journal and the bearing
A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing
A forced lubricant between the journal and the bearing

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a mechanism, the fixed instantaneous centers are those centers which

Moves as the mechanism moves, but joints are of permanent nature
Remain in the same place for all configurations of the mechanism
Vary with the configuration of the mechanism
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP