Purifier Day 3 GME 27

What will happen if the inner diameter of the gravity disc is lesser than required?

• all are correct

• oil will go to the water side

• the interface will move towards the periphery

• the interface will move towards the centre

Selection of the gravity disc depends on the ___

• separation temperature

• specific gravity

• feed rate

• all are correct

Which of the below is preferred for collecting the bunker oil sample?

• continual drip sapling

• Continuous drip sampling

• intermittent sampling

• all are wrong

How many bunker samples are collected normally during bunkering?

• 5

• 4

• 2

• 3

What is the separation temperature for all the VLSFO?

• Differs from one oil to other. Given in the lab report.

• 70 deg c

• 90 deg c

• 80 deg c

How does the de-sludging operation of purifier takes place?

• by providing closing water

• by the downward movement of sliding bowl bottom

• by the upward movement of sliding bowl bottom

• by the sideways movement of sliding bowl bottom

Desludging mechanism is also provided in clarifier.

• False

• True