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SEAM 4 > Midterm (SEAM 4 Quizzes) > Flashcards

Midterm (SEAM 4 Quizzes) Flashcards

1
Q

the process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration

A

Diffusion

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2
Q

occurs when two dissimilar metals are present in an electrolytic medium

A

Electrochemical Corrosion

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3
Q

when metals collect this, an electrochemical reaction causes the steel to corrode

A

Moisture

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4
Q

when a refined metal is naturally converted to a more stable form such as its oxide, hydroxide or sulphide state this leads to deterioration of the material

A

Corrosion

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5
Q

– metals or alloys attached to the hull that have a more anodic, i.e. less noble, potential than steel when immersed in sea water
– supply the cathodic protection current, but will be consumed in doing so and therefore require replacement for the protection to be maintained

A

Sacrificial Anodes

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6
Q

– a means of preventing electrochemical wastage is required
– a system of preventing corrosion by forcing all surfaces of a structure (e.g. hull) to be cathodes by providing external anodes

A

Cathodic Protection

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7
Q

the positive or oxidizing electrode that acquires electrons from the external circuit and is reduced during the electrochemical reaction

A

Cathode

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8
Q

the negative or reducing electrode that releases electrons to the external circuit and oxidizes (corrode) during and electrochemical reaction

A

Anode

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9
Q

– consists of a number of anodes (lead or platinised titanium) fitted to the hull at
selected places below the waterline, and control equipment which automatically
regulates the anode current to the required value
– consists of anodes connected to a DC power source

A

Impressed Current Cathodic Protection (ICCP)

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10
Q

the manual required on all types of ships engaged in the carriage of all cargoes other than solid and liquid bulk cargoes

A

Cargo Securing Manual

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11
Q

– everywhere, incur a measure of liability for the safety of the goods
– in common-law countries, liable for any damage or for the loss of the goods that are in their possession as carriers, unless they prove that the damage or loss is attributable to certain excepted causes

A

Carriers

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12
Q

cargo units, including containers, shall be loaded, stowed and secured throughout the voyage in accordance with it approved by the Administration

A

Cargo Securing Manual

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13
Q

a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts

A

Acid

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14
Q

Main Factors influencing the Rate of Corrosion

A

Diffusion
Temperature
Conductivity
Acid
Types of Ions
Electrochemical Corrosion

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15
Q

a compartment within a boat, ship or other floating structure that holds water

A

Ballast Tank

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16
Q

the stress a ship’s hull or keel is placed under when a wave is the same length as the ship and the ship is in the trough of two waves

A

Sagging

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17
Q

How long must Ballast Tanks be inspected?

A

twelve-monthly basis

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18
Q

Percentage of corrosion in the tank surface for it to require repairs

A

75%

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19
Q

a sub-component defect caused due to damage to steel platings or material failure

A

Deformation

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20
Q

The significance of monitoring the condition of sacrificial anodes fitted inside a tank and its contribution to the tank’s integrity

A

To checked and inspected closely for
excessive wear and tear to maintain integrity

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21
Q

the stress a ship’s hull or keel experiences that causes the center or the keel to bend upward

A

Hogging

22
Q

Consequence of exceeding the maximum permissible cargo load in any of the holds of a ship during loading, specifically regarding the local structure

A

overstressing

23
Q

includes incorrect, improper, and insufficient lashing (not using enough dunnage, chocking, lashing materials), incorrect weight distribution, improper loading affecting the stability of the cargo

A

Bad Stowage

24
Q

primarily affects iron and its alloys, such as steel

A

Rust

25
Q

– also considered as ‘material wastage’
– the lead cause for structural deformations and fracturing

A

Corrosion

26
Q

occurs when oxide scale is swollen during oxidation

A

Blistering

27
Q

Last in maintenance workflow of removing rust

A

Top Coat

28
Q

a localized form of corrosion by which cavities or “holes” are produced in the material

A

Pitting Corrosion

29
Q

First in maintenance workflow of removing rust

A

Chipping

30
Q

due to the propagation of cracks through the steel plating, which has been left unattended

A

Fractures

31
Q

Key Steps involved in a maintenance workflow for removing rust from a surface

A

Chipping
Surface Preparation
Cleaning
Priming Coat
Top Coat

32
Q

provide evidence that the condition of the hatch covers does not pose a threat to the cargo

A

Hatch Inspection

33
Q

a Non-Destructive Testing (N.D.T.) whereby, with the use of the appropriate equipment, tightness of Hatch Covers can be tested against leakages which can cause charterers claims and affect seaworthiness of vessels

A

Ultrasonic Hatch Leak Inspection

34
Q

necessary to confirm hatch covers are weathertight and will remain weathertight throughout the voyage

A

Test and Visual Inspection

35
Q

– the country in which the ship is registered
– it is its duty to ensure that the ship entitled to fly its flag is safely constructed, equipped and
subsequently properly maintained and manned as per regulation based on the International
Convention developed by IMO for this purpose

A

Flag State

36
Q

the inspection of foreign ships in national ports to verify that the condition of the ship and its equipment comply with the requirements of international regulations and that the ship is manned and operated in compliance with these rules

A

Port State Control

37
Q

Report of Inspection in accordance with the Paris Memorandum of Understanding on Port State Control (Deficiencies Found & Follow Up Actions)

A

Form B

38
Q

chemical tanker, gas carrier, oil tanker, NLS tanker, bulk carrier and passenger ship and more than 12 years old are eligible for this inspection

A

Expanded Inspection

39
Q

A Port State Control visit on board a ship will normally start with, as a minimum and to the extent applicable, with an examination of the documents in accordance with what Annex

A

Annex 10 of the Paris MOU Memorandum

40
Q

Report of Inspection in accordance with the Paris Memorandum of Understanding on Port State Control (Ship Particulars)

A

Form A

41
Q

ships of a risk type (chemical tanker, gas carrier, oil tanker, NLS tanker, bulk carrier and passenger ship) and more than 12 years old are eligible for an expanded inspection

A

High Risk Ships

42
Q

How often are the high risk ships be inspected

A

every 6 months

43
Q

a vessel that is designed and built to meet the requirements of a specific classification society, such as the American Bureau of Shipping (ABS), Lloyd’s Register (LR), or Det Norske Veritas (DNV)

A

Standard Risk Ships

44
Q

How often are low risk ships inspected

A

every third year

45
Q

resolution the IMO adopted on Regional co-operation in the control of ships and discharges promoting the conclusion of regional agreements.

A

A.682(17)

46
Q

These ships are designed with multiple layers of safety features and redundancies to minimize the risk of accidents or incidents

A

Low Risk Ships

47
Q

General Inspection of the Ship

A

Initial Inspection

48
Q

How often are standard risk ships inspected

A

every year

49
Q

Any of the three inspections that focus on specific areas where high levels of deficiencies have been encountered by PSCOs, or where new convention requirements have recently entered into force

A

Concentrated Inspection Campaign

50
Q

Detailed Inspection based upon the findings (clear grounds) of non compliance

A

More Detailed Inspection

51
Q

Initial Inspection of Certain Type of Ships of Certain Age

A

Expanded Inspection

SEAM 4 (10 decks)

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