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Showing posts from May, 2019

Difference Between A, B & C-Class Divisions?

IMO Symbol A Class Division  IMO Symbol B Class Division  SOLAS has tables for structural fire protection requirement of bulkheads and decks. The requirements depend on the spaces in question and are different for passenger ships and cargo ships. The Administration has required a test of a prototype bulkhead or deck in accordance with the Fire Test Procedures Code to ensure that it meets the above requirements for integrity and temperature rise. Types of Divisions: "A" Class "B" Class "C" Class "A" Class: "A" class divisions are those divisions formed by bulkheads and decks which comply with the following criteria: They are constructed of steel or equivalent material They are suitably stiffened They are constructed as to be capable of preventing the passage of smoke and flame to the end of the one-hour standard fire test. they are insulated with approved non-combustible materials such that the average tempera

MEO Class 4

Safety: Solas New Reg. For bulk carrier Docking plug 10 yr maintenance in co2 bottle ad how to pressure test in shore SOx ad NOx reduction Fire wallet ASDU Medical assistance publication name Fixed foam Solas regulations Smoke signal chemical composition Mob marker regulation Iopp renewal survey details Foam system solas regulation, fire hydrant, foam monitor, also educator and proposnator difference.  Port state and flag state difference SOPEP regulation & duties  SBT and clean ballast difference. ORB both Motor: manual purifier desludge and check during desludge bilge pump priming and bilge line leakage detection drill bit order A/E performance parameters checks fuel duplex filter change over specific lube oil consumption COPT safety M/E specifications and which type MEP: Fuel injector overhaul FWG not maintaining vacuum Scavenge space inspection MAC trips How to order flange AE Unit no. 1 exhaust temp high Change over process of refer

Difference Between Purifier & Clarifier

Purifier Clarifier Remove water and suspended solids particles from oil Remove finer and lighter particles Two outlets-water & clean oil One outlet-clean oil Gravity disc on top No gravity disc only sealing ring Blind disc on the top of the disc stack Blind disk at the bottom Sealing water required Sealing water not required

Difference Between RTA to RT-flex engines

RTA RT-flex Developing fuel oil pressure One fuel pump per cylinder Fuel pumps on supply unit Storing of fuel oil Fuel rail Timing of injection Fuel cam on camshaft WECS-9520/ICU Developing pressure for exhaust valve activation One activating pump per cylinder Servo pumps on supply unit Storing of servo oil pressure Servo rail Timing of exhaust valve Valve cam on camshaft WECS-9520/VCU Fuel pump actuator Regulating power/speed Keeping fuel rail pressure Power/speed control Fuel pump Fuel quantity piston Timing of starting air Staring air distributor WECS-9520 Reversing Reversing of cam WECS-9520 Alarm & monitoring system External External Emergency control By mechanic shaft and cams acting on pneumatic valves of the engine contr