ETO Q&A Part II: Electron Theory to Power Electronics

 

 

 

72 

All the key electronics a ship's ETO needs for exams and daily watchkeeping

 

ELECTRON THEORY AND ATOMIC FUNDAMENTALS

Everything on a ship — cables, motor windings, power semiconductors — is built from atoms. For an ETO, understanding atomic structure is the foundation that makes all of electronics logical rather than a memory exercise.

Q1: What is an atom and what are its main components?
A: An atom is the smallest particle that carries the chemical identity of an element. The word comes from the Greek for indivisible. Every atom has a dense nucleus at its centre containing protons and neutrons, with electrons existing in probability orbitals (electron clouds) around the nucleus. Over 99.9% of an atom's mass sits in the nucleus. Protons carry positive charge, neutrons

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"No hay dónde esconderse en un barco": los marineros varados cerca de Irán que enfrentan los estragos de la guerra

 

Fuente de la imagen,Marina Real Tailandesa

Pie de foto,Un buque de carga tailandés en llamas tras ser alcanzado por un proyectil a 11 millas náuticas al norte de Omán el 11 de marzo.Información del artículo

    • Autor,Mohammad Zubair Khan
    • Título del autor,Servicio Urdu de la BBC
    • Autor,Aye Thu San
    • Título del autor,Servicio birmano de la BBC
    • Autor,Hyojung Kim
    • Título del autor,Servicio coreano de la BBC
     y 
    • Autor,Andrew Webb y Grace Tsoi
    • Título del autor,Servicio Mundial de la BBC
  • 1 hora
  • Tiempo de lectura: 6 min

Drones, misiles de crucero y aviones de combate se han convertido en una imagen habitual para muchos marineros varados en petroleros y buques de carga en el golfo Pérsico, después de que, en respuesta a los ataques estadounidenses e israelíes, Irán

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Pilot on Board: What the Vessel Must Do

Crew responsibilities before, during, and after a pilot boards your ship

 

QUICK ANSWER: VESSEL RESPONSIBILITIES WHEN TAKING A PILOT

Before the pilot boards:
• Update the passage plan for pilotage waters and brief the bridge team
• Complete the pilot card in IMO standard format with all defects noted
• Rig the pilot boarding arrangement per SOLAS regulation V/23
• Set up VHF communications with pilot, VTS and port authorities

At boarding and MPX:
• Be ready at the agreed time — late boarding cuts time for the exchange
• Carry out a full Master/pilot information exchange (MPX) immediately
• Confirm working language, agree passage plan changes, share ship defects
• Discuss contingency plans and abort points before starting the passage

During pilotage:
► The pilot directs navigation — the bridge team monitors and supports
► Master retains ultimate responsibility for ship safety at all times
► Monitor

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72 ETO Q&A Part II: Electron Theory to Power Electronics

 

 

 

MARINE PUBLIC

All the key electronics a ship's ETO needs for exams and daily watchkeeping

 

ELECTRON THEORY AND ATOMIC FUNDAMENTALS

Everything on a ship — cables, motor windings, power semiconductors — is built from atoms. For an ETO, understanding atomic structure is the foundation that makes all of electronics logical rather than a memory exercise.

Q1: What is an atom and what are its main components?
A: An atom is the smallest particle that carries the chemical identity of an element. The word comes from the Greek for indivisible. Every atom has a dense nucleus at its centre containing protons and neutrons, with electrons existing in probability orbitals (electron clouds) around the nucleus. Over 99.9% of an atom's mass sits in the nucleus. Protons carry positive charge,

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‘I thought maritime was too specialised’: How the right scholarship exposed her to the industry’s surprising scope

 https://www.scholarschoice.com.sg/

26 February 2026
 
 
 
Third-year NTU undergraduate Fatimah Zahra Ebnuarabi has already completed two summer attachments with German shipowner Bernhard Schulte and will head to their Manila office in 2026 for her first overseas internship. PHOTO: SPH MEDIA

From mentorship, global internships and the chance to explore different roles, this MaritimeONE scholar has gained insights she never expected to acquire

For the longest time, it was history and literature that captivated Fatimah Zahra Ebnuarabi, who thought she would find her future in words, not ships.

It was a conversation with her elder brother that first steered her towards the maritime industry. It felt distant – a world associated with vessels, voyages and complex operations.

“I thought maritime was too specialised,” admits the 22-year-old.

Deciding to

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