Machine Design
In hydrodynamic bearings

The oil film pressure is generated only by the rotation of the journal
The oil film is maintained by supplying oil under pressure
Grease is used for lubrication
Do not require external supply of lubricant

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The designation M 33 × 2 of a bolt means

Metric threads of 33 numbers in 2 cm
Bolt of 33 mm nominal diameter having 2 threads per cm
Metric threads with cross-section of 33 mm
Metric threads of 33 mm outside diameter and 2 mm pitch

ANSWER DOWNLOAD EXAMIANS APP