Author "Ismail Aksoy" Page

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Name: Ismail Aksoy
Site: http://www.calmcolors.org


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General safety pre-cautions during discharging

Before commencement of the discharge, the cargo pump emergency stop trips are to be tested.
In vessels fitted with an inert gas system, normally only inert gas must be permitted to enter the space displaced by the discharged cargo (this is dependent on the cargo in question and port regulations).
The pressure/vacuum valves must be [...]

General safety pre-cautions during loading

The main consideration for restricting the maximum rate at which a vessel may load is to prevent the excessive build up of pressure within the cargo system. This is governed by a number of factors including the diameter of the smallest section of pipe in the system; the material from which the pipe is [...]

Fire-Fighting Precautions at the Manifold During Operations

Before any loading or discharging operations are commenced, the following fire-fighting equipment is to be placed on deck in a position approximately 10 metres forward or aft, but always upwind of the manifold:

One portable foam-making branch pipe with eductor, connected to a fire hose and hydrant.
Not less than 75 litres of foam compound.
An additional [...]

Toxicity

Toxicity – is the ability of a substance to interrupt the correct function of bodily organs. Toxic cargoes are harmful if they are inhaled or swallowed or absorbed into the body through the skin. Most of the chemical cargoes as well as some crude oils and petroleum products are toxic or contain toxic [...]

Chemistry and types of liquid cargoes

The liquid cargoes capable of being carried by tanker vessels can be subdivided (as a rule based on material chemical property) into a few major groups. These groups and the basic chemistry related to liquid cargoes are discussed briefly in the following sub-sections:

Acid – Any chemical compound containing hydrogen capable of being replaced [...]

Nature of oil and chemical cargoes

Flash Point
The flash point of a liquid is the lowest temperature at which the liquid will give off vapour to [...]

Quiz - ODME

1) Oil Discharge Monitoring Equipment (ODME) cihazı hangi tonaj ve üstü tankerlerde bulundurulması zorunludur?150 gross ton300 gross ton400 gross ton500 gross ton1000 gross ton2) Oil Discharge Monitoring Equipment (ODME) cihazı ile ilgili aşağıdaki bilgilerden hangisi yanlıştır?Cihaz IMO standartlarına uygun olup; cihazın tipi idare tarafından belirlenir.Cihaz devamlı kayıt yapıp; toplamda ne kadar atık su boşaldığını, akış [...]

Quiz - Cargo Calculation

1) Petrol,asılı tortu ve su, serbest su dahil olmak üzere gözlenen sıcaklık ve basınçtaki toplam hacme ne denir?TCVNSVGSVTortu - suTOV2) Tortu, asılı tortu ve su dahil fakat serbest su hariç standart (60 F – 15 C) için düzeltilmiş toplam hacim nedir?GSVTCVTOVNSVGOV3) Bir maddenin 15 C sıcaklıktaki belli bir hacimdeki kütlesinin 4 C sıcaklıkta ve aynı [...]

Quiz - Inert Gas System

1) Aşağıdaki elemanlardan hangisi inert sisteminde yer almaz ?ScrubberDeck sealFanBleed valfHeater2) İnertleme yöntemleri aşağıdaki şıkların hangisinde doğru olarak verilmiştir ?

I)Boil – off
II)Gas up
III)Dilution
IV)Displacement
V)Topping off
VI)Warm up
I,II,IIIV veVIYalnız IIIIII ve IVI ve V3) Bağımsız inert gaz jeneratörü ile donatılmış bir gemide otomatik olarak kontrol edilen oksijen değeri yüzde kaç olmalıdır ?a) % 1,5 – 2,5% 3 [...]

Quiz - Ship sizes

1) Aşağıda verilen tanker tiplerinin tonajlarına göre büyükten küçüğe sıralaması nasıldır?

I. ULCC
II. PANAMAX
III.SUEZMAX
IV. VLCC
V. AFRAMAX
I-V-IV-II-IIII-IV-III-II-VIII-V-II-I-IVI-IV-III-V-IIIV-I-III-V-II2) AFRAMAX tankerin açılımı aşağıdakilerden hangisidir?Afrika kıtası güney burnunu emniyetle dönebilecek tankerAfrika kuzeyi sefer bölgesinde çalışan tankerlerAmerikan navlun fiyatı birliği büyüklüğüOrtalama navlun fiyatı değerine göre yük taşıyabilecek tankerÜrün taşıyan petrol tankeri3) 170.000 dwt büyüklükteki tanker nasıl nitelendirilebilir?Panama kanalından geçebilecek [...]