Class 2 Kochi Questions ⚓️

08/05/26 Ext 1- Sudharshan sir Ext 2- Arun George (New guy) Int -Senthil Sir Fun -3 1- Solas 12 Explain water ingress system Criteria , Alarm levels in cargo    hold,Forpeak tank Other construction details. How bilged water in cargo hold can be removed. What system available for it on-board. 2-Solas ch 11 explain both Ssp,sso and cso roles and functions. How security plan is implemented. What is dos. Declaration of security and when it's submitted. What level of security to be followed. On what basis security level is set onboard -( I answered depending upon any security new or pre existing threats at the port terminal ) 3-Annex 4 explain discharge criteria Types of stp If the stp is type approved can sewage be discharged at Port? How ,what is the standard that has to be met. 4-Sms and it's purpose,what come under it,various titles.How it is implemented onboard. 5-Explain damage stability criteria. Some more questions. Int - No questions.

06/04/2026 Ext: surendranath sir Internal: Shreevathsav Fn 4b 1. Type of Engine 2.Type of Ship 3.ME-C Monoeuvring 4.Angle Encoder 5.CCU Fail Actions 6.Torsional Vibration Damper 7.PID Controller 8.Creep and Types of Creep,Areas 9.Ogee Ring 10.Gusset Stay 11.Cascade Control in JCW 12.Single unit Exhaust Temp High Reasons 13.Types of Liner Wear,Liner Wear Limit 14.Cold & Hot Corrosion 15.ME Interlocks 16.Draw Card

Function 5 External: sreekumar Internal: Sreevastava 1.Alternator working which is armature 2. Pressure sensor of ref compressor 3. Auto transformer diagram 4. diff between power transformer and auto transformer 5. Nicad battery discharge sequence 6. Motor enclosure Specially asking for deck motor which type 7. Alternator close in 8 clock what exactly happen step by step Internal Is ther a shelf life for PMI sensor

Function 3 External: Tommy paul Internal: Sreevastava 1.Ig alarms 2.statutory survey and certificate 3 CO2 room re entry 4.Static and dynamic test Function 5 1.Different types of transformer 2.How to order welding machine 3.What will you do as a second engineer if shore is giving different voltage 4.Factors depending upon the torque of an induction motor

08/04/25 External 1: Sudarshan sir External 2: Arun sir Internal : Senthil Sir Fn 4b Type of engines done Reversing of mcc engine Reversing of one unit failed, how to identify Indication on emergency manuvering platform Types of vibrations Components of tranverse vibration H-couple and x-couple Impact and mitigation of these vibrations Arrangements in engine to reduce this vibrations Barred speed range Vibration type in this range. Design stage considerations to reduce these vibrations Resonance Omd actions Hot corrosion Vanadium sodium ratio significance Chemical reaction in this Boiler jobs done Boiler tube leaking identification. If not found on visual inspection, actions to identify leaky tubes.

08/04/25 Ext1: Sudarshan Ext 2: Arun (don't remember name exactly) Senthil Sir Fn 3 Attempt 3 1.SOLAS latest regulations 2 Responsibility 2e on dry dock 3.how to pressure test db tank 4.mooring winch break testing methods expain 5.loadline survery as 2e 6.how to test weather tight door 7 ffa maintenance interval and explain 8 wat is load test and rendering test any difference Some more I don't remember Internal : no question Result : COC Thanks to all my fellow mates and my marchant navy club mates who posted questions which was very critical for the preps ! Keep the good work guys ! All the best !!!

08/05/26 Fn 4b and 6 Sreekumar Sir , Srivastava Sir Draw boiler manhole door Stress corrosion in boiler Boiler tube pluging Gate valve cross section Brass and bronze Cast iron welding difficulties Cross head bearing inspection Gear pump not building up pr why Critical temperature and pressure

Sreekumar Sir Function 3 * Certificates not included in SOLAS and Marpol. * Remote control system (ME) regulations * Preparation for ISM external audit as 2E * International shore coupling drawing and dimensions. Function 5 * Difference Between Ac and Dc generators. * Exhaust gas temperature sensor , Remote and local , what type, working. * Hydrophore pump circuit diagram and working. * Synchronising generator if governor motor not working. * Reactive load in generator is different when 2 are running parallel, why, how to make it equal. * Anemometer working.

08/05/26 Fn 4 Sreekumar Sir , Srivastava Sir Purifier interface deciding factors and effect on interface Nomogram explain Exhaust valve checks before putting into operation, checks after overhaul Centrifugal pump drawing Automatic Combustion control in boiler Fuel oil analysis reports checks and all parameters values Mooring winch Expansion tank overflow reasons

07/05/2026 Function :4b and 6 Sreekumar sir and Senthil sir - Type of ship sailed and experience on the engine ( ME C) - ⁠asked about lng tank type ( just in the beginning ) - ⁠What are Noise in engine, state example? - ⁠windlass criteria ( forgot which criteria) - ⁠Draw and explain sewage system diagram and discharge criteria - ⁠What are the reason for establishing the emergency Cylinder lubrication on one particular engine . - ⁠explain how to establish the same - ⁠Cylinder lubricator overhaul ( engine is stopped) ( begin with the isolation- check the minimus connection for residual pressure) - ⁠X sectional diagram of wilden pump and working ( Shuttle valve and Suction and delivery valve needs to show ) - ⁠centrifugal pumps in series and parallel H VS Q graph - ⁠Turbocharger overhaul- removed and kept in the workshop , Checks ? ( Not VTR) - ⁠Auxiliary engine con rod bolt renewal, what are the checks to be done ? Internal : no questions asked Sorry for the delay guys 🙏

07/05/25 Fn5 tommy paul 1. Difference between squirrel cage and wound rotor. Material of construction. Speed control, torque etc. 2. Autotransformer, where used in er? Mainly looking for autotransformer starter. 3. Types of avr. Draw static type avr. 4. Connections from ESB. Looking for fire fighting equipment specifically.

07/04/25 Sreekumar Senthil Sir Fn 3 Attempt 2 1.Draw horizontal cross section of ER showing all Tanks. 2.SOLAS regulations for steering gear. 3.Explain Observation, Non Conformity in ISM audit. 4.ORB Code G and H. Code D 13,14,15. 5.Explain Lifeboat lowering procedure in detail. 6.Intact stability Criteria. Internal: 1.what will be the depth of DB tk according to the breadth of vessel. 2.ORB missed entry code and how to enter in ORB. 3.CO2 10 Year maintenance. Result:Pass.

External: Senthil Kumar Internal : Sreekumar Function: 4b & 6 Which attempt Written status Type of vessel Engine maker and model 4b 1.Draw MC-C maneuvering and distributor operation? 2.What is the meaning of 1 ton A/C? 3.carnot cycle and normal reefer cycle difference? 4. Proportional band and gain? He wants formal 5. Reasons for all unit L.O temperature rising? 6 1.Piston overhaul. He want to hear that stuffing box in place while tilting. 2.Draw piston pump 3.Alloys of steel and it's properties? 4 . Types of heat treatment? 5.Anneling and Tempering? 6.Piston O ring position? 7.Main engine injector pressure testing?

Function - 3 External - Tommy Paul Internal - Srivastava 1.Bulkhead? Different types of bullhead? 2.CO2 10 yearly maintenance?Why siphon tube? 3.Liferaft securing diagram and Liferaft Auto Launching Sequence & Inflation Force? 4.SOLAS Requirements for UMS? 5.DD survey requirements?One dry docking may be replaced by in-water survey, conditions for that? And some more....

External: senthil Internal : Sreekumar Function: 4b & 6 Which attempt Written status Type of vessel Engine maker and model 4b 1. What's the major difference between reefer and AC compressor operation wise. 2. Why bumping clearance in Air compressor but not in Auxillary engine. 3. Difference between mineral oil and synthetic oil 4. Two stroke timing diagram indicating only Air starting valve start position and end position. Fun 6 1. Stuffing box overhaul. It's already outside. Step by step 2. Reefer compressor overhaul already isolated and drained. 3. Mono screw pump draw 4. How many types of clearance in cross head, which locations you will take and how you will take. 5. Types of hydraulic pumps in windlass, i told axial and radial and he asked where you will use axial and radial pump. He told both we will use in windlass but where? 6. Welding defects 7. Difference between mild steel and cast iron, what's carbon percentage in each and in main engine where we use cast iron and mild steel Internal: After removing fuel injector, what are all the tests you will do. Only types

Function - 5 External - Tommy Paul Internal - Srivastava Attempt - 1 1.Leakage flux of iron core transformer and cross 2.what is excitation and where is field exciter fitted and draw and explain brushless excitation 3.draw and explain VFD and where it is used 4.shore connection precautions and procedure

07.05.2025 Fn-4b and 6 Internal- shrivastav sir External- tommy paul Attempt:1 Mc engine camshaft uses and function Loads on bed plate Me interlocks Start air explotion Boiler safeties Start air manifold inspection Drydock hull inspection propellor drop clearances Boiler safty valve maintainance Exhaust valve overhaul and limits

External: Sreekumar Int: Senthil Attempt: 3 Fn: 3 Co2 Diagram Cross Curve of Stability CSM survey not by CE BWMS certificates MSC latest amendments MET: Thermocouple, Salinometer VFD failure Rectifier Welding transfer circuit Diagram Crane wiring Diagram

07.05.2025 Fn-3 and 5 Internal- shrivastav sir External- tommy paul Attempt:1 Fun 3. Marpol annex 6 changes Stiff and tender ship diff and explanation Co2 fixed system how to identify leaking cylinder Oil tanker venting arrangement Gas freeing, purging inerting. What point air introduced while purging Orb missing entry how to make Fun 5 Acb not opening what all to do What is air gap, why, how measured, how clearances increase, type of alternator bearing Main csw p/p how to order, Ip rating. What is mcsw p/p ip rating Types of transformers, brief explanation, where are they found onboard. Internal: Function of avr 3 generator how many avr Can you interchange avr and how to interchange. Result: function 5 pass

06/05/2026 4b&6 External-sreekumar Internal-ubaid 1.ME MANUVERING DIAGRAM AND EXPLANATION 2.A/C COMPRESSOR OVERHAUL 3.4S PISTON DIAGRAM 4.GEAR PUMP DISCHARGE PRESSURE LOW REASONS 5.SPHEROIDAL CAST IRON EXPLAIN 6.A/E THRUST BEARING REMOVAL CHECKS.... CLEARANCE TAKING PROCEDURE 7.MAIN ENGINE LINER REMOVAL 8.WHY PROVISIONAL AC COMPRESSOR BELT DRIVEN 9.DROOP EXPLANATION &FORMULAE 10.STRESS CORROSION IN BOILER Each question had cross questions......