how much minimum safety factor required for lifting an equipment .??

In general, oil systems shall comply with API Standard
614. All modifications from API Standard 614 require
purchaser approval.
Note: In keeping with the packaging concept, strict compliance with API
Standard 614 may not be practical. Differences from this standard may
include (but are not limited ...

I am shabir Ahmad Khan working with Engro Fertilizer Limite in enven 1.3 Fertilizer Expansion Project site as a Condition Monitoring Technician.
I belongs to Rahim yar khan, Pakistan

How much or % Viscosity Variation compared with the initial value is usually allowed without jeopardizing correct lubrication of the machine.
oil shall be change when the variation is ?

Damping is proportional to the square of frequency. True/False
In a frequency spectrum 1 X running speed in rpm always indicates ‘unbalance’ problem. True/False
Velocity measurement gives us an indication of the Energy loss of the system. True/False
Unbalance can also be understood from observing ...

How much grease is mandatory for an F class motor which temp. is in operation condition is 95 C