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Class 2 Kochi Questions ⚓️
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Kanal postlari
Rajiv nair
Fun 3
1.what all topics under fun 3
2. Oil tanker cross section . Sheer strake, camber, bilge keel
3.bulbous bow function , cross section
4.Ism
5. Sewage under which convention
6. What is a convention ..which all under imo
Fun 5
1.power distribution onboard
2. Acb safeties
3.reverse power
4.emcy generator requirements as per Solas
5.revolution made by invention of AC
6 induction motor working
7.form factor
8.rms value
9.why 60 hz instead of 50hz
10 . Earthen neutral advantages
| 2 | 23.06.2026
Fun 4b and 6
Ext: V V Johny
Int : Senthil
1. Type of engine
2. RT FLEX most crucial component
3. RT flex injection, is there vit in rt flex
4. AE overspeed. He wanted to mechanical overspeed
5. lamda control
6. Plate type cooler advantage
7. sterntube seals, why gravity tank
8. boiler water test
9. superheat and sub cooling. Show in graph
10. bearings in purifier. Mitsubhishi
11. big end bearing construction draw and what all checks carried on con rod bolts of ae
Got 4b. Repeat 6 | 70 |
| 3 | External: senthil
Internal : Rajeev nair
Attempt: 2
Function : 4b & 5
What is 4b.
Which type of vessel
Engine type I told dual fuel. Better don't say
Engine nomenclature
Fuel admission of gas and more cross
Cylinder lubrication what type
Properties of cylinder oil, viscosity index value
Air starting valve explosion safeties, how bursting disc work
Crankcase relief door safties, door opening pressure, how to check trueness of alarm
Why we need to treat boiler water, how water becoming acid nature
Function 5
Electrical specification on your ship
What type of earthing system and why insulated. How many wire system
Why 60Hz preferred for onboard use and cross
What is form factor and value
How induction motor works and what are all the factors decides rpm of motor
Function of governor motor and cross
Types of starter and explain soft starter
How you will find earth fault and where it leaks and how it leaks
What is intrinsically safe and how it works and current and voltage limit value | 61 |
| 4 | 23.6.26
Int-Rajeev nair sir
Ext -senthil sir
1. What all covered in Coscopol?
2. csection of ur ship.. mine was tanker,was asking me to draw it faster or else he will reduce the questions but still took more than 1 hr
3. camber,its purpose,he was asking more
4. bilge kell,what happens when u extend it
5. its relation with time period of roll and radius of gyration,its formula,its relation with bilge keel
6. corrugated bulkhead in tankers,how do it look
7. longitudinal bulkhead in diagram
8. ballast tank in diagram ,what all types
9.duct keel in which all ship,he wants no duct keel in tanker
10.how ballasting done,pipe passage in tankers
11.floodable length?
12.what is mass of line
13.margin line,is it marked? Y it is not marked ?i told it varies with sheer from fwd and aft perpendiculars and he asked me who said it varies with sheer from the aft and fwd perpendiculars? I said i have read it. He asked if u read it somewhere will it become true? Asked me to read and authenticate what i have studied before i say
14.Y is it imaginary? Y cant it be permantely markedj
15.ism …is it a code? When was it introduced? What was before ism?
16.differnce between code and policy
17.what all covered in annex
18.how do u prove nox compliance
19.regulations in annex 6
20.Is seemp under annex 6 ? Is it a certificate?
21.drydock plan? What are the contents of it
And many more cross not able to recollect
Int- senthil sir
1.intact stability criteria?
2.conditons of freeboard
2.in ism what is mentoined for providing rest for people if continuous port calls and 6 on 6off is going on in continously? | 50 |
| 5 | 23/6/2026
Rajeev nair and senthil
Function 4b & 6
Type of ship
Engine type and nomenclature
Super long stroke? Ratio
Power card-how to calculate power
Draw card
Light spring diagram to draw and explain .
Cylinder lubrication? And properties?
Viscosity index?
Why Bearing required clearance?
And lots of cross questions.
Fun-6
What are the major jobs done onboard?
AE decard preparation,
Requirements of RA and explain RA fully.
Crane checks?
Difference between chain block and ER overhead crane.
Hydraullic jack safeties?
Hydraulic jack test?
And lots of cross. | 40 |
| 6 | 23 june 2026
Ext - Rajiv nair sir
Int - Senthil sir
1.Mid ship section
2.Bilge keel, importance, how it reduce rolling, wht happens if protrusion limit exceeds
3. Radius of gyration Time period of roll
4. Plans required for drydock
5. Angle of loll and how to correct it
6.Deck line margin line floodable length why margin line not permanently marked
7.c/s of tanker
8.camber
9.sheer strake and speciality and purpose of it
10.rise of floor
11.type of foam used in 12.deck foam fire fighting system and expansion ratio.
Dry dock preparation before docking | 41 |
| 7 | 23.06.2026
Ext : VV Johny
Int : Senthil
Load line convention
International shore connection
Ism code
Life raft securing arrangement
Enclosed space entry
What are the gases comes under Annex 6 | 46 |
| 8 | 23-06-2026
Function 3
Internal : Senthil Sir
External : V V Johnny
Solas Chapter 12 explain
Annual Survey , Intermediate Survey
As a 2/E what all things to check for ensuring NOX compliance.
Marpol Annex1 with reference to Engine room bilges.
Fixed Co2 system and many cross
During cargohold fire explain in detail the procedure of Co2 release in cargohold. | 47 |
| 9 | 23 June 2026
VV Jhonny Sir/Senthil Sir
Function 3
IG system in detail
Loadicator
Propeller pitch
Skew Rake
CII
Steering gear regulations,tests ,alarms in detail
Function 5
Reverse power in detail
Exd,Exi in detail
Batteries
Earth fault | 49 |
| 10 | 23-96-2026 f-3,5
Vv jhonny sir
Senthil sir
F-3
1)draw cross section of ur ship and explain ,some cross
2)what type of steering gear you did, what is meant by safematic design explain,
How u test & some cross
3)Reserve buoyancy
4)tell us about bwts, d1, d2
5) Tell about IAPP
6)ESP and cross
F-5
1)induction motor working explain
2)Pressure transmitter calibration
3)Earth fault how u check and what all u find in the panel
Some more questions will update | 60 |
| 11 | 23.06.2026
Vv jhony
Senthil
Vit and its graph
Sewage cross section and checks
Mechanical overspeed trip in ae
Purifier bowl leaking, how its identified in mitsubishi purifier
Mechanical seal and cross section
Why plate type heat exchanger is used? Its advantages | 59 |
| 12 | 22/6/2026
Rajeev nair and senthil
Function 4b & 6
Company name
Type of ship
Engine type and nomenclature
Super long stroke? Ratio
MEP? How to calculate?
Power card
Draw card
Otto and diesel cycle
Cylinder lubrication?
Viscosity index
If no cyl oil available onboard what will you do?
Why preheat engine?
Is me crankcase an enclosed space?
Boiler water test? How often? Why?
Dosing? Why?
Type of boiler? Burner? Working pressure?
What all major jobs done in ER? Told decarb. Whats decarb? Full procedure starts from permission, immobilization,RA.
Then he asked about RA. What all things covered?
Crane checks?
Hydraullic jack and system checks?
Hydraulic jack test?
3 jacks out 6 not opening, what to do?
What is Compressor bumping clearance?
What happens if cleanrance decrease / increase?
LOT OF CROSS QUESTIONS. One and half hour😵💫😅
Got function 6 | 156 |
| 13 | 22/6/26
fn.4b, 6
Ext: Rajiv nair
Internal: Senthil
Engine worked on
Nomenclature explain
Power calculation - units cross
Superlong stroke engine
Bore-stroke ratio and advantages
Combustion requirements
Cloverleafing & cross
Boiler water tests, why it's done
What will happen if alkalinity high
Chemicals used
Cylinder lubrication and the properties of oil
Boundary and hydrodynamic lubrication
Workdone onboard
ME decarb preparation
Risk assessment and hazards
Lifting appliances checks
Why Chain block is using Jack checks and safeties cross
Crane safeties
Bumping clearance & cross | 137 |
| 14 |  Matn yo'q... | 130 |
| 15 |  Matn yo'q... | 122 |
| 16 | Ext : Sreekumar
Int : senthil
Fun3
* Eexi & Eedi explain, formula and it's difference
* FSA
* SEQ survey
* Garbage record book and its parts
* Lifeboat david test
* orb code D
* load line survey preparation as 2/E
* GZ curve and how to calculate Gm from it. If ships beam is more how will be the curve ?
Fn 4b
* Back pressure valve in refer system.
* ME engine HPS system types ?
* Follow up and non follow ?
* Liner inspection
* Some more... but I can't recall them. | 123 |
| 17 | Ext :Sreekumar
Int:senthil
Fun3
-Eexi explain and date when it came
-FSA
-Lifeboat david test
-orb code D
-load line survey
_GZ curve ,and how to calculate Gm from it. | 117 |
| 18 | Ext: Sreekumar
Int:Senthil
Fn 4,6
Centrifugal pump material
Mechancal seal,draw
Plc,scada
Valve timing 2 stroke,when starting air valve opening
Iron carbide diagram
Valve plates in compressor name in order
M/E all unit lub oil temp going high in half,what action and reason
Angle encoders
Brass-bronze where all use
Crankpin bearing overhaul | 128 |
| 19 | 22.06.2025
Ext : Sreekumar
Int : Senthil
Fn 6
Crosshead bearing overhaul
Gauge glass, tubes material, composition
Butterfly valve overhaul, type of bearing
Draw Radial type turbocharger
Chain link removal procedure
Overboard valves composition
Result : Pass | 128 |
| 20 | 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. | 440 |
