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OREDE-P RGTSU LNG UNLOADING SYSTEM

Authored by Nur Deyana

Professional Development

Professional Development

Used 9+ times

OREDE-P RGTSU LNG UNLOADING SYSTEM
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What diameter of LNG Header?

42"inch

16"inch

36"inch

37"inch

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Listed are the main component of loading arm, EXCEPT:

Counter -weight

Coupier

Ball Joint

Riser

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why we need LNG drain out?

To trace trapped LNG inventory

To avoid trapped LNG inventory

To monitor trapped LNG

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