Class 2 Kochi Questions ⚓️
رفتن به کانال در Telegram
2 119
مشترکین
اطلاعاتی وجود ندارد24 ساعت
+17 روز
+1730 روز
در حال بارگذاری داده‌ها
کانال‌های مشابه
ابر برچسب‌ها
اشارات ورودی و خروجی
---
---
---
---
---
---
جذب مشترکین
نوامبر '26نوامبر '26
نوامبر '26
+3
در 0 کانال‌ها
اکتبر '26
+40
در 0 کانال‌ها
Get PRO
سپتامبر '26
+51
در 0 کانال‌ها
Get PRO
اوت '26
+62
در 0 کانال‌ها
Get PRO
ژوئیه '26
+57
در 0 کانال‌ها
Get PRO
ژوئن '26
+56
در 0 کانال‌ها
Get PRO
مه '26
+34
در 0 کانال‌ها
Get PRO
آوریل '26
+48
در 0 کانال‌ها
Get PRO
مارس '26
+26
در 1 کانال‌ها
Get PRO
فوریه '26
+34
در 0 کانال‌ها
Get PRO
ژانویه '26
+42
در 0 کانال‌ها
Get PRO
دسامبر '25
+48
در 0 کانال‌ها
Get PRO
نوامبر '25
+35
در 0 کانال‌ها
Get PRO
اکتبر '25
+37
در 0 کانال‌ها
Get PRO
سپتامبر '25
+41
در 0 کانال‌ها
Get PRO
اوت '25
+38
در 0 کانال‌ها
Get PRO
ژوئیه '25
+54
در 1 کانال‌ها
Get PRO
ژوئن '25
+32
در 0 کانال‌ها
Get PRO
مه '25
+25
در 2 کانال‌ها
Get PRO
آوریل '25
+43
در 0 کانال‌ها
Get PRO
مارس '25
+70
در 0 کانال‌ها
Get PRO
فوریه '25
+37
در 0 کانال‌ها
Get PRO
ژانویه '25
+28
در 0 کانال‌ها
Get PRO
دسامبر '24
+44
در 0 کانال‌ها
Get PRO
نوامبر '24
+61
در 0 کانال‌ها
Get PRO
اکتبر '24
+90
در 0 کانال‌ها
Get PRO
سپتامبر '24
+85
در 0 کانال‌ها
Get PRO
اوت '24
+79
در 0 کانال‌ها
Get PRO
ژوئیه '24
+94
در 0 کانال‌ها
Get PRO
ژوئن '24
+100
در 0 کانال‌ها
Get PRO
مه '24
+86
در 0 کانال‌ها
Get PRO
آوریل '24
+80
در 0 کانال‌ها
Get PRO
مارس '24
+108
در 0 کانال‌ها
Get PRO
فوریه '24
+112
در 0 کانال‌ها
Get PRO
ژانویه '24
+84
در 0 کانال‌ها
Get PRO
دسامبر '23
+45
در 0 کانال‌ها
Get PRO
نوامبر '23
+11
در 0 کانال‌ها
Get PRO
اکتبر '23
+9
در 0 کانال‌ها
Get PRO
سپتامبر '23
+17
در 0 کانال‌ها
Get PRO
اوت '23
+22
در 0 کانال‌ها
Get PRO
ژوئیه '23
+18
در 0 کانال‌ها
Get PRO
ژوئن '23
+13
در 0 کانال‌ها
Get PRO
مه '23
+11
در 0 کانال‌ها
Get PRO
آوریل '23
+11
در 0 کانال‌ها
Get PRO
مارس '23
+34
در 0 کانال‌ها
Get PRO
فوریه '23
+15
در 0 کانال‌ها
Get PRO
ژانویه '23
+14
در 0 کانال‌ها
Get PRO
دسامبر '22
+24
در 0 کانال‌ها
Get PRO
نوامبر '22
+18
در 0 کانال‌ها
Get PRO
اکتبر '22
+43
در 0 کانال‌ها
Get PRO
سپتامبر '22
+19
در 0 کانال‌ها
Get PRO
اوت '22
+20
در 0 کانال‌ها
Get PRO
ژوئیه '22
+44
در 0 کانال‌ها
Get PRO
ژوئن '22
+22
در 0 کانال‌ها
Get PRO
مه '22
+26
در 0 کانال‌ها
Get PRO
آوریل '22
+37
در 0 کانال‌ها
Get PRO
مارس '22
+34
در 0 کانال‌ها
Get PRO
فوریه '22
+13
در 0 کانال‌ها
Get PRO
ژانویه '22
+32
در 0 کانال‌ها
Get PRO
دسامبر '21
+29
در 0 کانال‌ها
Get PRO
نوامبر '21
+51
در 0 کانال‌ها
Get PRO
اکتبر '21
+22
در 0 کانال‌ها
Get PRO
سپتامبر '21
+47
در 0 کانال‌ها
Get PRO
اوت '21
+33
در 0 کانال‌ها
Get PRO
ژوئیه '21
+55
در 0 کانال‌ها
Get PRO
ژوئن '21
+58
در 0 کانال‌ها
Get PRO
مه '21
+212
در 0 کانال‌ها
| تاریخ | رشد مشترکین | اشارات | کانال‌ها | |
| 05 نوامبر | 0 | |||
| 04 نوامبر | 0 | |||
| 03 نوامبر | +2 | |||
| 02 نوامبر | 0 | |||
| 01 نوامبر | +1 |
پست‌های کانال
Date:26/10/26
Ext:Tommy paul
Int :Ubaid
Type of ship, LV or HV, Oral status
Single phasing, protection and indication
Emcy gen starting circuit draw and explain
Insulated neutral and earthed neutral adv and disadvantage
HV adv and disadv
Acb raking out procedure and maintenance
| 2 | Function 4 b attempt -1 Ext :Tommy Paul INT :Ubaid Rehaman Asked how many attempts
Type of Engine 2. MEC engine interlocks 3. Purpose of Camshaft in
MCC engine 4. Boiler blowback reasons and how will you rectify and guide junior engineer 5. Boiler alarms and trips 6. What is turn down ratio xxx 7. Boiler burner sequence with solenoid operation x 8.Virtual tappet and xxx
Func 5
What is leakagae flux in transformer and its significance
VCB rackout procedure
speed control in Induction motors
Seawaterpump motor how to order
why IP 65? Explain ?
How to test reverse power
if shore supply 50 Hz and equipment is 60 Hz what to monitor
ACB is stuck to buster and cannot be offloaded | 275 |
| 3 | Function 5 Ext : Tommy Paul Int : Ubaid Rehman
Checks On shore supply before drydock , Components in Shore supply connection box, What to do if supply not in phase.
How to check AVR is defective? Function of AVR ?
Leakage Flux , its effect on Transformer.
Difference between Soft starter and Star Delta Starter. Applications of Soft starter on board ships?
Drydock preparation on Electrical side?
Alternator Air gap at bottom side reduced , what is your action as 2E ?
Internal 1.What all Electrical jobs will you plan for drydock?
Drydock Maintenance on MSB | 221 |
| 4 | Function-5 External: Tommy Paul Internal: Ubaid Rehman
Vessel Specification- Type of ship sailed on? LV or HV?
1.How will you carry out Reverse Power Trip on Generator? Cross- Is the trip instantaneous or with some time delay?
2.Explain Variable Frequency Drive with Diagram.
3.What is Flashing of Batteries? Cross- Procedures of Carrying out Flashing. 4.What is Excitation?
5.What are the arrangements provided on Main Switch Board to indicate Earth Fault?
6.How will you carry out Earth Fault checks? Cross-6.1 What is the indication on the Earth Fault Lamps during normal situation?
Cross-6.2 What is the indication on the Earth Faults in the event of Earth Fault?
Cross-6.3 Whys is one lamp dark and other two lamps brighter in the event of Earth Fault?
Internal-
What are the safeties on Rescue Boat Davit? | 195 |
| 5 | External : Sreekumar Internal : Ubaid
Function 4b ( 3rd attempt)
ME engine manoevering explain (didn't ask diagram)
Alpha lubricator working in ME engine and mcc engine
Conventional lubricatior working in mc engine
ESD for propeller shaft ( I told I have not heard about ESD. (Then he told Energy saving device on propeller shaft)
Why refer compressor belt driven
Boiler water test hydrazine and phosphate test purpose
Centrifugal pump vertical pump drawing showing the inlet and outlet , mechanical seal. Ubaid:
Which question u have not answered
I told ESD. Then he asked Do u know answer for that.
Then he asked propeller types
What is contra rod propeller and where it is used
Which propeller type using in life boat | 116 |
| 6 | 22.10.2026 Ext:Simon sir Int:Ubaid sir Function:4b(Motor) 1.Purifier operation principle how density differences of fuel oil is managed in purifier 2.Why TS diagram purpose 3.Crankshaft deflection why to take how to take.what action if deflection there 4.Welding defects 5.Main bearing clearance taking procedure 6.Camless engine,whats fiva valve
Function:4b(Steam) 1.What’s Regenerative condenser 2.What’s suface condenser how it’s different from vacuum condenser 3.What’s michelle pad 4.What’s entropy 5.Impulse turbine reaction turbine differences 6.Compounding of turbines 7.Ogee ring 8.Caustic brittleness,what’s the meaning of caustic 9.Scum blowdown bottom blowdown 10.Scotch boiler water tube boiler which is efficient why 11.Turbine blades fixing methods 12.Whats gland steam system in turbine how that works | 102 |
| 7 | External : Sreekumar Internal : Ubaid
Function 4b ( 3rd attempt)
ME engine manoevering explain (didn't ask diagram)
Alpha lubricator working in ME engine and mcc engine
Conventional lubricatior working in mc engine
ESD for propeller shaft ( I told I have not heard about ESD. (Then he told Energy saving device on propeller shaft)
Why refer compressor belt driven
Boiler water test hydrazine and phosphate test purpose
Centrifugal pump vertical pump drawing showing the inlet and outlet , mechanical seal. Ubaid:
Which question u have not answered
I told ESD. Then he asked Do u know answer for that.
Then he asked propeller types
What is contra rod propeller and where it is used
Which propeller type using in life boat | 90 |
| 8 | Ext: Sreekumar
Int:Ubaid
F-4b
Me-c
1.ammonia engine working and safeties
2.hps line diagram till return to sump
3.stress on boiler
4.saturated vapour pressure
5.critical spare of main engine as per ism (parts more than one quantity)
6.microbial degradation of lube oil | 84 |
| 9 | Ext : Rajeev Nair Int : Senthil Fun 4B
Type of Main Engine & Engine Nomenclature
What is S , Advantages of Super long stroke (He needs - more power generated)
Why large diameter propeller using ?
Stroke to bore ratio of ur engine ?
What is mechanical efficiency (%) of ur engine ?
Power calculation?
How much power increased in ur engine for ur stroke to bore ratio ?
Auto ignition temperature for 2S engine ?
Cylinder lubrication? What type of lubrication in liner?
Crankcase explosion ? Crankcase relief door in main engine? At wat pressure it relive ?
Is main engine crankcase is enclosed space ?
Types of indicator cards ?
How to take power card ?
How to take light spring ? Why taking light spring?
Planimeter how it looks like ? How will you measure? | 83 |
| 10 | Function 5
Rajeev nair sir/ ubaid sir What distribution system did you have?
What is 60hz? Explain in detail.
How do you measure AC. (rms). What is rms value?
Advantages of ac over dc.
Advantages of induction motor over dc motor
Working of induction motor. (needs lenzs law). what is rms?
Where are dc motors onboard?
Use of dc motor on generator governor
Junior eng comes and says motor not starting or running. Checks.
How to check IR of motor. Megger voltage for lv and hv system. And megger working. | 75 |
| 11 | Fungtion 4b and 6
Ext rajeev nair sir
Internal sentil sir
1.Functions applied
2.Engine nomen clature
3.What is meaned by S
4.What is the advantage of super long strock
5.Cylinder oil lube oil property
6.What is ccai aromatic components
7.How calculating power
8.How to take compression card and importantance
9.Draw lightspring diagram
10.Draw draw card late injection early injection
1.How we are planning for engine overhaul Preparation 2. Er Crane checks
3.If no spare onboard how u will do the job
4.If no tools onboard how u will perform job
5.Electromagnetic brake check
6.Hydraulic jack check before work
7.Hydraulic jack working principle
8.Electromagnetic brake working and check | 78 |
| 12 | Fn:3 Ext:Rajeev Nair Int: Senthil
Last vsl Cross section (Gas carrier) ... cross on how it is supported at bottom..how rolling and pitched is restricted... 2)Bilge keel.. how long is it?...Why it doesn't extend beyond the hull side...where it is situated?..why it is situated there?..Why not in Fwd and aft?..What happen if it was there in fwd and aft? 3)What is dynamic stability criteria?
Drydock survey...cross UWILD??
Time period of roll.. equation..and definition of each terms
What all you do on ship for Nox compliance?
Floodable length
Factor of safety..which ship has more FOS?
Internal: 1)IHM 2) Latest banned item as per Anexx 6 3) Latest banned item as per AFS convention | 70 |
| 13 | 23.10.2026
Fun 5
Ext:: Sreekumar
Int ::Ubaid
1.What is intrinsically safe means,draw circuit(why 2 zener diode ,how it limiting current and voltage ,Limit Value of current and voltage
2.which type of motor used in governor, working principle, how it will rotate in both directions
3.Error operated and function operated avr, what is the main difference between them
How both control the excitation
4.What is Animometer ... working principle..it will give only wind speed? How will get wind direction?
5 .what is proportional controller,what is praportional band and praportional gain
What is the relationship between them?
If band is 20 percentage what is the value of gain
6.two generators running in parallel, excitation of one lose ..what will happen tell me the sequence
Int:: no question | 68 |
| 14 | 23.10.2026
Ubaid sir
Sreekumar sir
Fn:4B, attempt 4
1.One ton of refrigeration and value
2.Types of chocks and what type in AE
3.Light spring diagram and show chocked exhaust valve
4.Con.rod I section ?
5.Power calculation and Corrected density calculation
6.How many N/R valve in FWG system (i said 5 ,he wanted one more.( Ejector pump discharge valve) | 71 |
| 15 | 22/10/2026 External -Sreekumar Internal- Senthil Function-4b
Draw shell& tube heat exchanger witch sea water on both sides ( he wants sw inlet on bottom)
Visco therm working
SG Safematic system and explain
K,L,M value of TC
Speed droop basic
Mcc unit cut out reasons,how to do& what all things to check COC cleared👍🏼.
A big thanks to all the brothers who posted questions here, and a special thanks to Isaaq Sir for such a supportive class that made things very easy to understand. All the best to all of you, brothers👍🏼. I am leaving the group so others can join. | 74 |
| 16 | Ext RAJEEV NAIR
Int UBAID RAHAMAN
Fn 4b and 6
4b
Type of engine, Type of ship
Nomenclature
UltraLong stroke
Types of draw card
How to take all cards
What is need of compression card
Why u need light spring card
Why clearance is provided between mating surface.
Properties of cylinder LO.
Engine reversing.
6
Jobs done onboard.
Me one unit decarb preparations.
Checks on engine room crane.
Internal: no questions | 63 |
| 17 | Fn- 3 External- Sreekumar sir No of attempts-2 Type of ship Status of other functions
Cyber security 5 elements.
As a 2e what are your responsibility for SAFCON survey
Draw stability curve Plot the GM on curve Plot GM for a ship with more freeboard and less freeboard 4.ERB (electronic record book) rquirements as per marpol 5.Statutory certificate expire while your ship is in india and abroad. What are the procedures..
Internal- Senthil sir
Type of ship (chemical) So next question was type of pumping arrangement. -Safety systems of Framo. 2.Ammonia gas properties . 3.What will you do if harmfull gas enters the engine room 4.EEBD working time. | 57 |
| 18 | 22.10.2026 Function 3 External :Rajiv nair Internal : ubaid Type of ship sailed
Crosssection of bulkcarrierand many cross questions(how is hatch coaming connected to deck)
Explain shear strake and bilge strake
Bilge keel .why it shouldnt protude outside the side and baseline
Time period of roll and radius of gyration and its equation
Documents to keep ready before entering drydock
Floodable length and margin line
Types of fixed fire fighting system onboard ship. What is the new amendment regarding foam
Cargohold smoke detection system explain Internal: What all should be there in hospital onboard ship What all are there on a fireman suit | 60 |
| 19 | 22/10/2026 Function 4B Ext: Sreekumar sir Int: Senthil Sir
ME-C Manouvering with Start/Stop. Showing Interlocks.
Torsional Vibration Meter Working
Deck Crane Safeties and Cut out
How Limit Switches are activated in Deck Crane
MPC - 10 and Standard MPC differences.
What is Governor Compensation? Why it is Given? And How will you adjust it?
How will you adjust it on a New governor?
Int: Engine Type and Model Exhaust Valve overhauling schedule. Sudden pressure rise inside the cylinder of Main Engine. What will happen ? ME Engines - It is an Intelligent Engine. It will first give alarm and reduce the fuel supply to the engine and try to maintain the pressure inside or will alter the injection timing. | 63 |
| 20 | Fungtion 4b and 6
Ext rajeev nair
Internal ubaid
?Functions applied
? Engine nomen clature
? What is meaned by S
? What is the advantage of super long strock
? If bore to atrokebratio is 4.2 what is strock length
?Propeller dia increased what is the reason
?Propeller dia improve what is happening
? What is ccai
? What are all include in ccai
? How to take power card
? How calculating power
? Method using for calculating power card area
? Plani meter working
? How to take draw card
? What all we can understand from draw card and power card
? How to take light spring diagram
? Why using light spring
? How we are planning for engine overhaul
? How we will get to know this unit need to overhaul
? Preparation
? Risk assessment
? Crane checks
?How we will confirm crane is able to take load of swl
? If no spare onboard how u will do the job
? If no tools onboard how u will perform job
? Why we r over hauling machines
? Why clearance between wear ring and impeller
? What kind of LO used for cylinder lubrication | 74 |
