D semester

True - false

Ερώτηση 1 (Σωστό / Λάθος — 0 βαθμοί) 

--- There are two bilge pumping systems.

Ερώτηση 2 (Σωστό / Λάθος — 0 βαθμοί) 

When the ''finished with engine'' order is given from the bridge, change over from engine room control to bridge control.

Ερώτηση 3 (Σωστό / Λάθος — 0 βαθμοί) 

Engines operating on high Sulphur fuels use special lubricants with high TBN to minimize the effects of Sulphur.

Ερώτηση 4 (Σωστό / Λάθος — 0 βαθμοί) 

Lube oil that has been used is clean and does not need to be centrifuged.

Ερώτηση 5 (Σωστό / Λάθος — 0 βαθμοί) 

The Chief Engineer can use new fuel oil, even if s/he has not received the analysis results.

Ερώτηση 6 (Σωστό / Λάθος — 0 βαθμοί) 

Ballast is taken on board in order to increase the list of the ship.

Ερώτηση 7 (Σωστό / Λάθος — 0 βαθμοί) 

The main purpose of the ballast system is to pump excess water out of the ship.

Ερώτηση 8 (Σωστό / Λάθος — 0 βαθμοί) 

According to MARPOL regulations, the residue of oil in the water that is pumped overboard must not exceed 15 ppm.

Ερώτηση 9 (Σωστό / Λάθος — 0 βαθμοί) 

A new blending on board concept makes it possible to add chemicals to the engine circulating oil and then use it as cylinder oil.

Ερώτηση 10 (Σωστό / Λάθος — 0 βαθμοί) 

Low ignition quality can mean poor combustion and diesel knock.