Jack-Up Barge Operations

Jack-Up Basic Overview

This test will help you assess your knowledge of working on a Self Propelled Jack-Up barge, which is a crucial aspect when deciding to transition to this type of vessel and during interviews with shipowners.

Питань 20

Час 9 min

Мова Англійська

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Питання 1

When Jetting system should be used?

A When legs stuck inside sea bottom and need to release them

B When need to align sea bottom under the spud cans

C When need to speed up Jacking process speed

D When need to speed up les retrieve to home position

Питання 2

Which circumstances allow you procced for barge move without dedicated stand-by location?

A Nothing allows you procced for barge move without dedicated stand-by location

B If sailing time less than 12 hours

C If sailing time less than 6 hours

D If sailing time less than 6 hours and weather forecast predict good weather for 48 hours

Питання 3

Do cylindrical legs affect barge stability when they are lowered into the water?

A No, they do not affect stability

B Yes, they create extra buoyancy by their own empty volume immersed into the water

C All mentioned

D Cylindrical legs do not affect however, lattice type legs affect stability.

Питання 4

Which stability parameters necessary to comply in elevated position?

A Metacentric height

B Righting lever length

C Centre of Gravity position

D All mentioned

Питання 5

How many Jack houses on board Jack-Up barge?

A One

B Number of Jack houses actual to the number of legs

C Two, one is main another emergency

D Nil

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