QUESTIONS AND CORRECT ANSWERS
How many sea water service pumps are onboard? Locations? - CORRECT
ANSWER AUX1, AUX2, MER2
What are the sea water service pumps rated at? - CORRECT ANSWER 3000
GPM@50 psi
Where can you start and stop sea water service pumps from? - CORRECT
ANSWER PACC and LOCALLY from the space
What is the cooling media for stern tube seal? - CORRECT ANSWER Seawater
service system
What location will I find a Firemain to Seawater Cross connect? - CORRECT
ANSWER MER1, MER2
What is SPAM? - CORRECT ANSWER Start air, Prairie Air, Anti-Icing, Masker Air
What is LP air rated at? - CORRECT ANSWER 125 psi
How many LPACs are onboard and their locations? - CORRECT ANSWER 3 MER1,
AUX1, MER2
What is HP air rated at? - CORRECT ANSWER 3000 psi
What are the 3 operating modes and pressure ranges of an LPAC? - CORRECT
ANSWER (Lead) 125 , (Lag)120, (Standby)115
, At what PSIG does the priority valve close at? - CORRECT ANSWER 85+/- 3
What is the purpose of the vent fog precipitator? - CORRECT ANSWER Removes
entrapped oil mist from the MRG vent before it is discharged into the engine room.
When is the vent fog precipitator aligned? - CORRECT ANSWER When L/O System
is in operation
What is the primary function of the MRG L/O system? - CORRECT
ANSWER Lubricate the MRG
What other equipment does the main L/O (2190) cool? - CORRECT
ANSWER LOSCA (23699)
How many electric L/O service pumps do we have onboard and locations? - CORRECT
ANSWER 4... 2A/2B MER1, 1A/1B MER2
What are the L/O service pumps rated at? - CORRECT ANSWER Slow----250 GPM
@ 60PSI
Fast----700 GPM @ 60PSI
What is the purpose of the Dehumidifier? - CORRECT ANSWER Remove humidity
from MRG casing when system is secured
What is the hand wheel color for L/O? - CORRECT ANSWER Black and Yellow
How many Gas Turbine Main Engines do we have onboard? Locations? - CORRECT
ANSWER 4---- 2A/2B GTM MER1 1A/1B GTM MER2
At what stage would you extract Bleed Air from an LM2500? - CORRECT
ANSWER 16th Stage