Author Archives: Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

About Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

Working as the Deputy Commandant at LMTI, Liberia and Assistant Consultant at IMO. Worked as the Lecturer at ALAM Malaysia, IMA & CMC Bangladesh. Sailed as Chief Engineer on board various types of Tankers in multinational companies. Also worked as a consultant for developing and preparation of new syllabuses of marine engineering pre-sea and post-sea courses of Department of Shipping, Bangladesh as per STCW 2010 Manila Amendments. Writer of maritime articles. Researcher on Energy Efficiency in Shipping Industry, UTM, Malaysia.

My activities on MARPOL Annex VI and Ship Energy Efficiency Management

My activities on MARPOL Annex VI and Ship Energy Efficiency Management from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Ship Energy Efficiency Management

Ship Energy Efficiency Management-2016 from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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A Short Note on ISPS Code

A Short Note on ISPS Code from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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CoC Oral Exam Preparation (Part – 20): OWS & Regulations

MARPOL Regulations of Discharging Machinery Bilge into the sea: The rules and Regulations that govern the operation of an Oily Water Separator are under MARPOL  Annex I: “Prevention of pollution by oil”. Regulation 14: Oil Filtering Equipment Vessels above 400 GT … Continue reading

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MARPOL Annex VI: Prevention of Air Pollution from Ships

MARPOL Annex VI: Prevention of Air Pollution from Ships from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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A Short Note on Ship’s Energy Efficiency: EEDI, SEEMP & EEOI

The Energy Efficiency Design Index (EEDI) was made mandatory for new ships and the Ship Energy Efficiency Management Plan (SEEMP) for all ships at MEPC 62 (July 2011) with the adoption of amendments to MARPOL Annex VI (resolution MEPC.203(62)), by … Continue reading

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CoC Oral Exam Preparation (Part-7) – Maritime Security

Image Credit: www.msecurity.ru When do the security measures come into force ? – 1st July, 2004. SOLAS amendments adopted in December 2002 : Chapter V: – Automated Identifications Systems(AIS) Chapter XI-1: -Ship identification number -Continuous Synopsis Record (CSR) Chapter XI-2: -Measures … Continue reading

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A Short Note on SOLAS 74

Image Credit: www.imo.org A short note on SOLAS 74 from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Diesel Engine Scavenge Fire

INTRODUCTION:  For any fire to begin, the fire tringle needs to be completed. To complete a fire tringle there must be present a combustible material, oxygen or air to support combustion and a source of heat at a temperature high … Continue reading

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MARPOL Annex VI Chapter 1-3: “Air Pollution and GHG Emissions from International Shipping”

Marpol annex VI Chapter 1-3: "Air Pollution and GHG Emissions from International Shipping" from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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MARPOL Annex VI Chapter 4: Energy Efficiency Regulations for Ships

MARPOL Annex VI Chapter 4 from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Heat Treatment Process

Heat Treatment Process from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Fuel Injector of Diesel Engines

Image Credit: www.riceweightloss.com Older loop scavenged engines may have a single injector mounted centrally in the cylinder head. Because the exhaust valve is in the centre of the cylinder head on modern uniflow scavenged engines the fuel valves (2 or … Continue reading

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Carbon Steel Alloys

Image Credit: Taybro Alloys Stainless Steel Carbon is the most important component in commercial steel alloy. Increasing carbon content increases hardness and strength and improves hardenability. But carbon also increases brittleness and reduces weldability because of its tendency to form … Continue reading

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Fossil Fuels and Renewable Energy for Ships

Fossil fuels are the major energy sources in today’s world but still when over consumption takes place lead to disastrous effects such as air pollution and climate change. Burning of fossil fuels produces carbon dioxide, carbon monoxide, nitrogen monoxide, nitrogen … Continue reading

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Metallurgical Testing

Image Credit: www.upc.edu Metallurgical Testing from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Marine Growth Protection System (MGPS)

Marine Growth Protection System (MGPS) from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Properties of Fuel Oil and Bunkering Procedure

By Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Lubrication

Properties of Lubricats and Lubrication from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Gear Pumps

Gear Pumps from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Pump and Positive Displacement Pumps

Positive Displacement Pumps from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Corrosion in Metals

Corrosion in Metals from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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“Technology Innovations for Cost- effective Energy Efficiency Measures”

Technology Innovations for Cost- effective Energy Efficiency Measures from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Metallurgy

Metallurgy from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Ship Form Coefficients

Ship Form Coefficients from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Marine Purifier

Marine Purifier from Mohammud Hanif Dewan

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MARPOL Annex I and Oily Water Separator

MARPOL Annex I and Oily Water Separator from Mohammud Hanif Dewan

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Fresh Water Generator

Fresh Water Generator from Mohammud Hanif Dewan

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Maritime Security and Security Responsibilities

Maritime Security and Security Responsibilities from Mohammud Hanif Dewan

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Fire Fighting and SOLAS Requirements

Fire Fighting and SOLAS Requirements from Mohammud Hanif Dewan

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Shipboard High Voltage- Safeties and Applications

Shipboard High Voltage- Safeties & Applications from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Surveys of Merchant Ships

Surveys of Merchant Ships from Mohammud Hanif Dewan

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Marine Steering Gear and SOLAS Requirements

Marine Steering Gear and SOLAS Requirements from Mohammud Hanif Dewan

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Centrifugal Pump

Centrifugal Pump from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Basic Control Theory

Basic Control Theory from Mohammud Hanif Dewan

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Ship Construction- Ship Dimensions

By Mohammud Hanif Dewan

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MARPOL Annex IV & Sewage Treatment Plant

MARPOL Annex IV & Sewage Treatment Plant from Mohammud Hanif Dewan  

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MARPOL Annex VI and Emissions Control

MARPOL Annex VI and Emissions Control from Mohammud Hanif Dewan

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Marpol Annex VI Chapter IV- GHG Emissions and Energy Efficiency Regulations

Marpol Annex VI Chapter IV- GHG Emissions and Energy Efficiency Regulations from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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Marine Diesel Engine Exhaust Gas Emissions Control Technologies

Marine Diesel Engine Exhaust Gas Emissions Control Technologies from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

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MARPOL REGULATIONS FOR SHIPS

 MARPOL   International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978. Introduction The MARPOL Convention is the main international convention covering prevention of pollution of the marine environment by ships from operational or … Continue reading

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