OREDE-P RGTSU LNG UNLOADING SYSTEM

LNG unloading arm consists of listed below, EXCEPT :

• two 16” liquid LNG loading arms (Z-3520A/B)

• one 16” vapor return arm (Z-3645)

• one 16” hybrid arm (Z-3520C)

• one 18” vapor return arm (Z-3645)

What diameter of LNG Header?

• 42"inch

• 16"inch

• 36"inch

• 37"inch

What is the function of LNG recirculation ?

• To keep hot the BOG header

• To keep hot the LNG loading header to the unloading arm

• To keep cold the BOG header

• To keep cold the LNG loading header to the unloading arm

Listed are the main component of loading arm, EXCEPT:

• Counter -weight

• Coupier

• Ball Joint

• Riser

Listed are the process involve prior to unloading, EXCEPT :

• To confirm the vessel schedule

• To confirm the condition of “Equipment and Safety facilities relating too unloading”

• To confirm the unloading schedule

• To check the O2 content in BOG of the cargo

What is the wind speed limitation during berthing?

• Not more than 1 m

• Not more than 2.5 knots

• Not more than 20 knots

• Not less than twice the LNGC length

Why we need LNG drain out?

• To trace trapped LNG inventory

• To avoid trapped LNG inventory

• To monitor trapped LNG