MLC 2006 Certification Process Initial Certification Interim ML Certificate Intermediate Inspection Renewal Inspection and Certification Certificate Invalidation and Withdrawal
Reverse Power Relay (RPR) Operation Basic Principle A reverse power relay detects when power flows in the reverse direction from the load back to the generator, which can damage the generator. It protects the system by disconnecting the generator when reverse power is detected. Components Voltage coil (connected in parallel) Current coil (connected in series) […]
Reverse Power in Electrical Systems Reverse power is a condition in which power flows from the bus bar into the generator, contrary to the normal power flow direction. This phenomenon can occur due to various reasons and has significant implications for electrical system operation and safety. Primary Causes of Reverse Power 1. Prime Mover Failure […]
As a Chief Engineer facing a crosshead bearing failure at sea, you should take the following actions: Stop the main engine immediately to prevent further damage. Inform the bridge and the company about the situation. Obtain permission for immobilization from the port authority if near coastal waters. Ventilate the crankcase properly and ensure all personnel […]
Role of a Chief Engineer in Maintaining Steering Gear Health As a Chief Engineer, maintaining the ship’s steering gear is crucial for safe navigation. This guide outlines key responsibilities to ensure the steering gear remains in optimal condition. 1. Service & Maintenance Schedule Follow comprehensive service & maintenance schedule as per SMS & maker’s instructions […]
ISM Code The ISM Code is an international standard for the safe management and operation of ships and for pollution prevention. The ISM Code was adopted in 1993 and entered into force, on 1 July 1998. It applies to All ships of 500 gross tonnage and above, Chapters: It has two parts: Part A: Implementation […]
Safety Valve Inspection / Survey Valve & Seat Check visually for any sign of scoring (scratches), pitting etc Carry out a ‘mating check’ between valve and seat using Prussian blue or engineers’ blue A continuous ring indicates there will be no leak between valve and seat Spindle The spindle is always under compression during service. […]
LO Emulsification Keywords: lo emulsification, emulsification, lubricating oil emulsification Lube Oil Emulsification: Definition When water is dispersed/penetrated lube oil in the form of small droplets. Water droplets remain in an oil layer in a stable form Properties of emulsified oil are very different from pure oil Indications Stable water content after purification Unusual smells (Rotten […]
Oil sealing: how oil loss due to seal failure can be restricted while on passage Under normal condition, seal activated through #3 sealing ring. (valve V3 & V4 normally open). If oil leakages take place, shut V3 & V4 respectively and drain line – #3S will be activated. Pipeline connection to oil tank for […]
SOLAS REQUIREMENTS FOR EMERGENCY GENERATORThe requirement for emergency power onboard the ship is detailed in SOLAS chapter 2-1SOLAS CH: II-1 / Part : D / Reg : 43 & 44 The emergency source of electrical power may be either a generator or an accumulator battery for essential services under emergency conditions. Where the emergency source […]