Machine Design
In a hydrodynamic lubricated bearing

There is no lubricant between the journal and the bearing
There is a thick film of lubricant between the journal and the bearing
There is a thin film of lubricant between the journal and the bearing
The lubricant is forced between the journal and the bearing, by external pressure

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Pitch point of a cam is

Any point on the pitch circle
A point on the pitch curve having minimum pressure angle
A point on the pitch curve having maximum pressure angle
Any point on the pitch curve

ANSWER DOWNLOAD EXAMIANS APP