External questions by Katyal

         EXTERNAL QUESTIONS SHARED BY KARANAN

External: Mr. Katyal
Questions asked

1. Tanker Safeties
2. Inert Gas Generator Alarms
3. Portable equipments associated with IG
4. Speed Droop
5. Harmonics
6. What Safeties u observe while changing light in pump room
7. What makes batteries to connect ESB when emg. Gen fails
8. 2 gen are running and current is fluctuating, what is the probable cause
9. Given a ckt diagram consisting of 5 pages of aux engine ckt. Asked one gen not starting. What all checks u do and reasons for not starting
10. In cascade tank there is a sensor apart lever sensor. What it does n how it works
11. What all Safeties u observe while doing maintenance on aux engine

Result: Passed.
How temp sensor tripping the cop

Boiler air servo drive process and signal

Epirb

What is mmsi

How decide life raft capacity

What r the thing inside the life raft .

How magnetic amplifier works and where it is used .
Name-Vijay Pal Singh ETO Surveyor Ex- Mr. Ajit  internal- Name Don't know                                  1. Introduction                           2. Which type of ships you have served in merchant navy        .                               3. What is intrinsically safe.     4. Draw & explain IS barrier & cross questions.                       5. Types of hazardous areas.                                       6. 440V generator generator generating 420V, what may be the defect.                           7. How to check diode it is ok or defective.                        8. What is bonding & cross questions.                                  9. Name your PMS system fitted in your ship & if you have used critical spare, & critical spare is zero, what your PMS reflects. What action you will take.                             10. Which all electrical equipment to be survey on board & Duration for survey.      11. If your equipment fitted through IS barrier what is duration for survey.                    12. Have you faced any big problem on board in merchant navy ship.                 13. What is SOLAS regulation of your PMS system.                                                                                                  Result by externalt Surveyor- Congratulation Sir you are passed & hand shake                Internal surveyor- Congratulation, Hand shake & you are proficient & have excellent  knowledge.              Date of exam- 16 Jan. 2017.    Result-Pass
11.01.2017
Surveyor- Kamat sir

Questions
1. soft starter drw and exlain.
2. Star delta starter power digram and explain.
3.Avr draw and explain cross questions.
4.tankers safeties
5.IG draw and explain safeties.
6.Nox Sox
7.Boilers Safeties.
8.main engine safeties. 9.Emergency generator solas requirements.
10.Acb safeties and explain reverse power relay.
11.IGBT symbol and explain,Mosfet feature.
12.odms requirments and discharging criteria.
13.Solas chapter and Marpol ennex.
14.Fire fighting system for deck.
15.what is bonding, hose continuity test.
1.Introduce yourself
2. What is active PCB and passive PCB in alarm monitoring system.
3. What are active devices and passive devices.
4. How do you calibrate sensors onboard.
5 How does the calibrator work.
6. What is the use of PT100 in generator..
7. Difference between PT100 and thermostat
8. Where is thermostat used onboard.
9. How do thermostat work..
10. What is Annex5 in marpol.
11. What are the classes of garbage. How many and name..
12. What is the type of life boat on your last vessel.
13. What fire protection is there in life boat.
14. What are the life saving appliances in life boat.
15. Asked about Pyro thechniques. ( I forgot to tell).Surveyor-Kamat

1-What is PID controller?
2-PLC and SCADA system??
3-MSBD safeties?
3-Boiler alarms and trip, how to    test low -2 water level trip?
4-AE alarms and trips?
5-PT 100 working range and zero calibration?,fish rm/meat rm temp sensor calibration.
6-Press sensor type and calibration.
7-SOLAS chapter 9?
8-Marpol Annex 6? what other pollutant except Sox , Nox??
9-How to test diode and IGBT?
10-Boiler water level DP sensor working?

Result -Pass😇😇
11.01.2017
Surveyor- Kamat sir

Questions
1. soft starter drw and exlain.
2. Star delta starter power digram and explain.
3.Avr draw and explain cross questions.
4.tankers safeties
5.IG draw and explain safeties.
6.Nox Sox
7.Boilers Safeties.
8.main engine safeties. 9.Emergency generator solas requirements.
10.Acb safeties and explain reverse power relay.
11.IGBT symbol and explain,Mosfet feature.
12.odms requirments and discharging criteria.
13.Solas chapter and Marpol ennex.
14.Fire fighting system for deck.
15.what is bonding, hose continuity test.
Name-Vijay Pal Singh ETO Surveyor Ex- Mr. Ajit  internal- Name Don't know                                  1. Introduction                           2. Which type of ships you have served in merchant navy        .                               3. What is intrinsically safe.     4. Draw & explain IS barrier & cross questions.                       5. Types of hazardous areas.                                       6. 440V generator generator generating 420V, what may be the defect.                           7. How to check diode it is ok or defective.                        8. What is bonding & cross questions.                                  9. Name your PMS system fitted in your ship & if you have used critical spare, & critical spare is zero, what your PMS reflects. What action you will take.                             10. Which all electrical equipment to be survey on board & Duration for survey.      11. If your equipment fitted through IS barrier what is duration for survey.                    12. Have you faced any big problem on board in merchant navy ship.                 13. What is SOLAS regulation of your PMS system.
Today questions
1.draw Star delta starter
2.why motor takes high current at starting
3.how overload relay connected in circuit
4 solas regulations for steering gear
5.m/e shaft earthing
6.6 wires how u connect it with 3 coils to make it delta connection.
7. Frequency of epirb and sart......how to test sart with x- band radar.
21Dec16: [9/7, 1:35 PM] EO ZISMUS GEORGE: Giju sir, following questions were asked to me
Q1.  What is a plc
Q2.  How does it work
Q3.  If a plc malfunctions, what you will do
Q4.   How does a transducer work, on which principle does it work
Q5. Draw an auto transformer. what does it do
Q6. If you are getting 440V,50Hz supply from shore when your ship is at dry dock. Your ship supply is 440V,60Hz. What are the consequences you may face.
[9/7, 1:35 PM] EO ZISMUS GEORGE: Questions asked in oral exam atMMD.
Common to all candidates :
1. Explosion proof light requirements
2.Intrinsic safe circuits
3.ACB over load settings & other safety features
4.Synchroscope conditions n operation
5.AVR  requirements n operation.
As this candidate working on tankers the following were asked :
1.ER crane cutout & regular checks
2.Causes for motor winding damage
3.Fire detector connection n replacing procedure
4.Fire alarm power supply arrangements
5.Testing procedure of all fire detectors
6.Types of level sensors
7.FRAMO cargo pumping system - working pressure, transmitter location
8.FRAMO alarm details
9.Emg. Gen. Hydraulic starting operation details
10.Emg. Gen. Starting arrangements.

So, best of luck to you all.
[05/12 7:17 am] Amrik Saini 21Dec16: 1.What is dead time..?
2.What is fail safe...?
3.How much voltage will be there between one phase & ground in isolated neutral system..?
Can we use Differential pressure switch with only one side pressure connection & where r we using onboard?.
Vfd uses relationship with torque...?
Auto tr. Which contactor is making first?
Armature reactions..?
How rotating magnetic field is created..?
If we remove flame fail what will happen..??
Difference between pressure transducer & pressure transmitter ??
How will u recognise RTD & PT 100??
Thermal Runaway...??
If 3e has closed the breaker at 6 o'clock what will happen( followed by so many cross questions on this)..?
Handle name used in life boat?
[05/12 7:18 am] Amrik Saini 21Dec16: The following questions were asked to me for orals by surveyor Tapan Kumar, 17th Nov. 2016.
1. Why is high voltage used on board? Where is it
    used on board? Where is 11kv used on board?
    Cross questions.
2. How do you check the battery voltage? How do you
    know if the battery is overcharged?
3. What are the safeties of the battery room?
4. What are safeties of the main switchboard?
5. Explain synchroscope. Explain the different
    methods of synchronising.
6. If you don't have a synchroscope how will you
    synchronize? Cross questions.
7. Explain reverse power relay. Why is it used?
    Cross.questions.
8. What do you understand by SCADA? Cross
    questions.
9. Do you know about VFDs? Where are they used on
    the ships. Cross questions.
Result: Pass
Special thanks to sir Ravi and Nitin.
Wishing all the very best to the future candidates.
Best regards, John.
Examinee   Sushil Sharma
Surveyor Ext. Mr Tarun Kumar
1. Electrical Equipment for Survey
2 What is Transitional Batteries and it's duration
3.  Additional Safeties of Bulk Carrier
4.  SOLAS regulations for Emg Generator
5  If crane SWL is 3 Tons and after Lifting 1 Ton load Crain stops at 1 MTR from deck ...
What could be the reason and remedial action
6.  What is slip in windlass
At what load it operates
7. What is denso port
Forgot 2 other questions
Maximum persons were asked
1 drawings of AVR
2 How Generator builds up Voltage
3 Drawing of ICCP

Result   All passed
Here are few Questions asked during ETO Orals

1. What will happen if DC supply is given on the primary of a transformer?
2. Even though resistance of coil winding is less, coil does not burn when power is supplied to it. Why?
3. Why humming sound occurred in HT transmission line?
4. How to check Capacitor with use of Multi meter.
5. Why the capacitors work on ac only & blocks dc?
6. Can 60 Hz transformers be used at higher frequencies?
7. Can 60 Hz transformers be operated at 50 Hz?
8. Can transformers be used in parallel?
9. Can single phase transformers be used for three phase applications?
10. Why fuse is given for only PT and not CT?
11. Why short circuit does not take place when electrode is touched to ground?
12. What is accuracy Class of the instrument?
13. Why are NGR’s rated for 10sec?
14. Which is supply system is more lethal / dangerous AC or DC?
15. What is Skin Effect and how does it happen?
16. Why we ground the sheath of single core power cables and to avoid grounded at both the ends?
17. Why transformer rating is in KVA or KW?
18. Why the secondary of CT never kept open circuited?
19. Difference between CT class 0.2 and 0.2S?
20. How many types of Neutral grounding system?
21. What value AC meters show, is it the RMS or peak voltage?
22. How to identify the starting and ending leads of winding in a motor which is having 6 leads in the terminal box?
23. Why one terminal of Current grounded?
24. Can transformers be operated at voltages other than nameplate voltages?
25. There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be more?
26. What is Minimum Value of Insulation Resistance / Polarization Index?
27. In transistor why emitter is highly doped?
28. Why Flywheel of Ref. AC compressor is connected through the motor with the belt and in case of main air compressor it is directly attached through the coupling & not through belt?
29. Why Relief v/v is provided in condenser of reefer system?
30. What will happen to the motor current if the discharge valve of a centrifugal pump is completely shut off?
31. Why Battery rating in Ah (Ampere hour) and not in VA?
32. How to find the value of Burnt Resistor?
33. What is special about overload safety?
34. Is there any specific difference in Steering motors & other motors?
35. Is there any specific difference in Purifier motors & other motors?
36. What happens if we close breaker of alternator at 6 o’clock during synchronization?
37. Why we close the switch at 11 o’clock & not at 6 o’clock?
38. Why megger is used instead of multimeter for insulation testing?
39. What are the safeties of MSB?
40. When does reverse power flow?
41. Does engine of alternator rotates in reverse direction during reverse power flowing in alternator?
42. What happens if reverse power flows?
43. How the protection against reverse power flow is is provided?
44. How you test reverse power trip?
45. How you test preferential trip on board ship?
46. How you test under-voltage trip on board ship? Why it is provided?
47. What will happen if you press breaker close button on ideal generator?
48. What will you do if you get earth fault alarm?
49. Where does reactive power (wattless) go?
50. What is doping?
51. Explain intrinsic & extrinsic semiconductors?
52. What happens to insulation when temperature rises?
53. Does current through hull during welding?
54. Why is this reverse power used instead of reverse current in alternators?
55. Is the field current in alternator field Ac or DC?
56. How is the speed of Induction motor varied?
57. How does an inverter worked?
58. How does starter & ballast in tube light works?
59. How capacitor blocks DC supply?
60. Why Capacitor is used in rectifier bridge circuit?
61. Why Inductor is used in rectifier bridge circuit?
62. How inductor blocks AC supply?
63. What is Synchronous condenser?
64. If the AVR is defective, can it handle additional load?
65. What safety precaution you will take during battery maintenance?
66. What safety precaution you will take before entering battery room?
67. Where it is mentioned in Solas about battery maintenance & regulation?
68. Why is special lighting used in battery room?
69. Explain working of the salinometer?
70. Explain auto starting of emergency generator?
71. If all air bottles are at low pressure and there is blackout how will you start the generators?
72. Why are generator and motor bearings insulated?
73. Draw a power distribution diagram?
74. Daily routines of Electrical officer?
75. What is shore supply? What is it used for?
76. What checks you carry out before taking shore supply?
77. What checks you carry out before synchronization of alternators?
78. Why we should switch off synchroscope after synchronizing alternators?
79. What you will do during blackout?
80. What is bus-coupler?
81. How you isolate two sections of bus-bars?
82. How you locate earth fault?
83. What is mains failure relay?
84. What is AVR? What does it control?
85. Explain AVR with the help of drawing?
86. What is sequential starting?
87. Briefly explain emergency generator Solas regulations?
88. How long emergency generator takes to start & come on load in blackout condition?
89. Why over-current does not trip during starting of motor when motor draws heavy current?
90. Why power factor of motor is low during induction motor starting?
91. How current gets affected by starting delta motor in star?
92. What is under-voltage protection for motors?
93. What is synchronous & super synchronous motor?
94. How vibration protection is provided for NER on board ship?
95. What type of overload protection is provided in steering gear system?
96. What alarms are provided for steering gear system?
97. How will you make out battery is good or bad?
98. Can we store lead acid & alkaline battery in same room? Yes or no give reason?
99. What is SVDR? What information is fed into SVDR?
100. What is doppler log? How it works?
101. What is auto pilot? How does it work?
102. Draw a typical circuit of navigation light?
103. What is Radar? How does it work?
104. Explain in brief with sketch CO2 system?
105. Explain in brief fixed foam system?
106. Explain Hyper-mist system?
107. Explain with figure working of Smoke Heat & Flame detectors?
108. Which sensor other than smoke, flame & heat sensor used on board ship?
109. What type of signal is between fire alarm panel & sensor? Voltage or Current?
110. What precaution we have to take before releasing CO2 & Foam?
111. How fire alarm sensors connected to hyper-mist system? Explain with figure?
112. How do you test fire sensors on board ship?
113. What is the role of electrical officer on board ship during fire?
114. What is pressure of hyper-mist pump?
115. What type of pump is used in hyper mist?
116. How much maximum time you should take to lower free fall life baot?
117. How much maximum time you should take to lower totally enclosed life baot?
118. When should we change life boat fall?
119. What is intrinsically safe means?
120. What is Explosion proof means?
121. What is voltage & current of intrinsically safe equipments?
122. How you connect input to PLC? What is input interface between Input card & input terminals?
123. What is Hazardous area?
124. How explosion meter, Oxygen meter, Hydrocarbon meters works?
125. How will you connect speed sensor to PLC in purifier starter? What is the interface between them?
126. What is PID controller? Explain in brief?
127. What is DP sensor? Explain in brief?
128. What is difference between main engine & generator Governor?
129. What is droop? How it is set?
130. Draw & explain working of SCR?
131. Draw & Explain Transistor Characteristics?
132. Draw Star delta starter & explain its working?
133. How Nox & Sox is controlled on board?
134. Explain Catalytic convertor?
135. Draw VFD & explain?
136. What is speed of Purifier?
137. What is differential relay & where it is fitted in main switch board?
138. Briefly explain differential relay?
139. Different protection for motor?
140. Briefly explain working of OMD?
141. Briefly explain working of OWS?
142. Briefly explain working of 15 PPM sensor?
Best of Luck
Prepare well
 - Sunil Kumar
6.  What is slip in windlass
At what load it operates
7. What is denso port
5.  Fixed fire fighting system,  water mist,   how much pressure,  how many detectors, total time of operation,  amount of water required, if not activated then.....
2.  Explain the sequence of preferential trips, sensing, invitation and and whr and how, NO, NC, timer.....
Surveyor Mahi
1. What is ur experience
2.draw n explain ig
2-1,wht is the purpose of deck seal
3,M/E slow down
4,boiler safties
4-1, how u test low water level
Why u do zero adjustment

Kannan Arakkal Thambi
Surveyor was Mahi

Questions asked

Draw iccp drawing and explain

Acb safeties

Explain reverse power

Boiler safety alarm and trip

How will you carry out low low water trip

List electrical marpol items in Eng room

List marpol item on deck

Safety in cargo holds

Draw avr drg and explain

Some solas regulations

How will you check emergency light on battery
Surveyor  Mr. Mahi.
1. Safeties in ramp.
2. Interlock between lights      and fans . Explain.
3. Boiler trips.
4. Generator trips.
5. How to test jacket water high temp.
6. How to reset the trips.
7. Types of fire sensors.
8. Explain ionisation type fire sensor.
9. Acb trips.
Sorry for the delay, sharing the questions asked in Kochi Orals by Sudarshan sir
 1. CO 2 system operation,why delay used and  how time delay operates, safety procedure before operation, where you find the key of CO 2 room, methods of CO 2 weighing, how isotope gun works, what all maintenance you do in CO 2 system.
2. LSA Code, Launching procedure of Life raft, launching procedure of free fall lifeboat( in this he is expecting  about checks prior to launch and what all LSA item you carry)
3. Explain EPIRB
4. Explain LRIT
5. Explain Hazardous Zone
6. Explain electrical equipment Exi and Exd
7. Marking on Engine room torch
8. Ingress protection rating of Engine room machinery , Switchgear's, and Deck machineries
9. Gyro principle, major components and power supply
10. Main switch board IP, breaker trip settings.
11. How UVT try out
12. Reverse power working
13. Types of AVRs
14. What all are regulation requirements for parallel operation.
15. How much is the safe distance from front side of your ships switchboard.
16. In relation of the above what's the specification of the rubber mat you demand.
17. How you measure the air gap of your Generator
18. What will be the air gap
19. What will be the air gap of a single running generator
20. ECDIS configuration
21. Garbage regulation, Food waste size for discharge
22. How do u exchange your ballast water
23. Where you find CMOS in your ship
24. How you replace EPROM
25. MOSFET and BJT difference
26. How do you know your generators single diode failure.
27. UMS regulations

Thank you all
Oral ques. Asked by Mr pramod ranjan


1. Introduction, which all ship i hv done.

2. Special safety in tanker.

3. How crane brake works.

4. Iccp

5. PWM and many ques regarding that

6. GMDSS Equipments and freq. Of some of them.

7. Difference between X band and S band radar.
Y SART appears on X band only not on S band?

8. ECDIS Input.

9. Regulation abt GMDSS battery. Y load test we are not doing in sea.

10. Abt AVR Exitation , Residual magnetism

 11 What is Flushing.?

12 Maintenance i am doing in Generator?

13 Reverse power?

14 Logic gates?

15 Solas Marpol

16 Responsibility as EE how to reduce Nox , Sox .

17. What all things are there inside ACB?

18. Conditions on which ACB can trip?
muraleedharan Sir's favorite questions are based on gen. He may commence with gen and if u made him satisfied, the questioning pattern Itself may vary.. So pls understand gen principal, what is droop, kvar  sharing action, reverse power Protection, prif trip etc
 How to rate generator, Why in kva.
What is power factor,
Given a condition/ problem values  like kva, kW, voltage and current.  And told to find out power factor.
Why u need vfd for drives.
Draw v/f graph.
What will happen if voltage is kept constant and varying frequency
How Boiler alarms are working in emergency mode after bypassing PLC
Requirements of e/r isolation valve in fire line system
Marpol 6, diff gases, NOx gas effects to atmosphere
R 22- odp, gap
Enclosed space entry measuring instruments, why not tank scope
Soft starter, diff b/n soft starter and auto transformer starter
AIS
I passed orals yesterday following Questions were asked
1 Solas Marpol in details
2 Marpol Reg For Electrical Safety, Sox Nox...means and ways to reduce it and your Role as ETO
3 Tankers Intrinsic Safety Zones , Types in Details, ExD design principal and its implementation on board.
4 why MSB Busbars are not circular but square In shape.
5 ACB VCB SF6 Difference and ACB safety
6 Over excited condensor and its use on board
7 Ponny motor purpose and use
8 Difference between Tankscope Exlosimeter Dredger tubes and their uses.
9 Role of DSC and its Frequency
10 GMDSS Equipments Role and Frequency
11 SART & EPIRB Function and operation with Frequency and Their Satellite name
12 Types of Meggers and their Range of Use as per Voltage
13 Difference Between X & S Band Radar operations and Frequency .
14 Magnetron Changing Procedures
15 IG Alarms and Safety
16 Boiler Alarms and Shutdown
17 PLC & SCADA uses Design and working Principles and uses
18 Working Aloft Safety and permit to work.
19 why we have gone for Transformer Type Starters its uses advantage and Dis advantage
20 OWS & ODME working Principles and cross Questions
21 ISGOT and its implementation.

Thanks a lot for your Cooperation and support for Preparing me in passing.
Main engine safeties
Boiler safeties
Star delta starter  draw and explain.
How to test over speed trip of ME or Aux engine.
How to connect CT and PT on busbar.
What is pf
What is solas
Intro
Q1. Marpol annex 1 explain full n everithing what you know about it.
Q2. odme explain full n cross questions what are the inputs to the system n Working.
Q3.  AVR  diagram n explain it. How competitive works.
In AVR after step down how much voltage we give to rectifier.
In AVR which two signals comprator compare show him on the diagram
What signal give to the thyrister ( volt or current ).
Q4. Make diagram of revers power relay,  explain it.
Q5. What is Tankscope ?
Q6. All Tanker safety ?
Q7. Inert gas explain.
What is flue gas
If o2 meter is showing zero reading on what could be the reasons?
What is PV breaker.
Q8.  What is synchronous fuse.
If it will blown again n again what could be the reason?
B. E Student
Result- 🤗🤗🤗
Thanks all of u group members special thanks to dhruvesh Kant Pragyan Sharma Akash jitender mehla. (rasoi and night n gale)
Ravi sir n girik team
Other questions which asked to other students
Q1 why purifier motor will not trip during starting
Q2 soft starter
Q3 difference between soft n auto transformer
How to check capacitor
ICCP
Solas regulation chapter 12.Additional safety  requirements for bulk carrier
1)P/p room fire detection system
2)motor safety
3)marpol annex 4
4)sewage treatment plant
5)synchonous motor
6)Avr
7)preferential trip
Name-Vijay Pal Singh ETO Surveyor Ex- Mr. Ajit  internal- Name Don't know                                  1. Introduction                           2. Which type of ships you have served in merchant navy        .                               3. What is intrinsically safe.     4. Draw & explain IS barrier & cross questions.                       5. Types of hazardous areas.                                       6. 440V generator generator generating 420V, what may be the defect.                           7. How to check diode it is ok or defective.                        8. What is bonding & cross questions.                                  9. Name your PMS system fitted in your ship & if you have used critical spare, & critical spare is zero, what your PMS reflects. What action you will take.                             10. Which all electrical equipment to be survey on board & Duration for survey.      11. If your equipment fitted through IS barrier what is duration for survey.                    12. Have you faced any big problem on board in merchant navy ship.                 13. What is SOLAS regulation of your PMS system.
Questions asked.....
Surveyor Bhaskar.

Self indroduction
Courses done
Type of ship
Deckncrane safeties
Enclosed space entry . How chk CO2 level..At corner...Scba chk use and pressure alarms
PID and PLC
Marpol anex
Ows ..Types of filter and seperation
SSAS .
Synchronous meter working
If it fails how I synchronous
Induction motor starting
Types of starters
Star delta starter
Dol starter
Synchronous motor...Starting..

Finally self openion about performance

Result..PASS
Surveyor-Kamat

1-What is PID controller?
2-PLC and SCADA system??
3-MSBD safeties?
3-Boiler alarms and trip, how to    test low -2 water level trip?
4-AE alarms and trips?
5-PT 100 working range and zero calibration?,fish rm/meat rm temp sensor calibration.
6-Press sensor type and calibration.
7-SOLAS chapter 9?
8-Marpol Annex 6? what other pollutant except Sox , Nox??
9-How to test diode and IGBT?
10-Boiler water level DP sensor working?

Result -Pass😇😇
1.Introduce yourself
2. What is active PCB and passive PCB in alarm monitoring system.
3. What are active devices and passive devices.
4. How do you calibrate sensors onboard.
5 How does the calibrator work.
6. What is the use of PT100 in generator..
7. Difference between PT100 and thermostat
8. Where is thermostat used onboard.
9. How do thermostat work..
10. What is Annex5 in marpol.
11. What are the classes of garbage. How many and name..
12. What is the type of life boat on your last vessel.
13. What fire protection is there in life boat.
14. What are the life saving appliances in life boat.
15. Asked about Pyro thechniques. ( I forgot to tell).
11.01.2017
Surveyor- Kamat sir

Questions
1. soft starter drw and exlain.
2. Star delta starter power digram and explain.
3.Avr draw and explain cross questions.
4.tankers safeties
5.IG draw and explain safeties.
6.Nox Sox
7.Boilers Safeties.
8.main engine safeties. 9.Emergency generator solas requirements.
10.Acb safeties and explain reverse power relay.
11.IGBT symbol and explain,Mosfet feature.
12.odms requirments and discharging criteria.
13.Solas chapter and Marpol ennex.
14.Fire fighting system for deck.
15.what is bonding, hose continuity test.
1.self introduction
2.what r stcw courses
3.if 4engg inform u fire pump not starting what actions u will take.
4.For drydock what r the diagrams u will standby.
5.specially they told me to draw shore connection diagram
6.dcp fire extinguisher how u will use and co2 cartridge size and how u will extinguish the fire with dcp.
7.what is smoothering effect
Name- Dhaivat Mehta
Date-27/3/17
Surveyor-Mr Aneja (class 2)

1. What kind of starters are used for large capacity motors.
2. Draw star delta starter
3. Scba bottle pressure.
4. Co2 fire fighting system explaination of releasing procedure.
5. Co2 bottle pessure and weight.
6. Purpose of adding capacitor to single phase motors.
7. Explain type of smoke detectors.
8. How to obtain 3 stage speed change in induction motor.
9. What is zener diode. Explain with use.
10. Difference between synchronous motor and induction motors.
11. Minimum voltage required to get shock.

Result - Pass
diff.relay, purifier working principle, purifier starter drawing, if u apply square wave to primary of tranformer??motor reasons for overload,what will happened if u give AC voltage to excitor field of alternator, why induction motor starting current is high?plc??
: Question was asked  to me. 5 question on micro processor. Details question in PLC advantage of plc over micro processor.  AVR cke dia and explanation in brushless generator how the excitation ckt work. Purifier starter ckt explanation.  Function of purifier and all control. How they are connected in ckt. Water mist fire fighting system. Details action how it work. How you define hazardous area. In details. What are the precaution for hazardous area.  How steering gear system works. What is advantage of using VFD. How it prevent pollution in marpol. Marpol all annex from 1 to 7. How and why the ane 7 required and it's effect. In VFD how the DC is getting converted in sinew Ave.  Two generator running in parallel one have more current another less why and how to correct what is actually happening inside : Questions asked to me in oral r as follows
Operation of SCR
What is vfd and how it works explain with diagram
Safety on tankers Exd. Exi exn exp exq
Zhon 0 1 2
Working principal of induction motor
Types of motor
Maintenance on motor
Regulation for winches
 Transformer equation and other properties‬: Ved,plc,motor starting current why high,diagram of vfd and properties of thyristor&Egbt with control and regulated cut,marpol,Solas definition and regulation regarding Co2  Oral Question asked to me ,shaft earthing sys and how the voltage generated.vessel is on voyage if mv shows zero , what may be the cause.      On board gent survey.
Accomm lighting regulation and requirements.
Alternator safeties and reverse power function.
Polarisation index.
Megger check and meter
Shows what value.
Boiler water level controls and explsin dp tx. Ows oil probe function and type of ele connection no or nc type.
Boiler water lvl flactuing
What is the first thing u will check.
Boiler safeties required as per which regulation.
Surveyer told regarding requirments and regulations need to prepair and come .
These are fm my side,
Best of luck to all.
‬: Reverse power relay function and advantages. If you are in ECR will you wait for reverse power relay to operate... what is your action in this situation. Friends these all. Thanks. Good luck for next two batches...all the best.
 Examiner asked different questions to all.
Questions asked to me are as follows
Scr' vfd' and types of vfd with diagram,  induction motor. Exe. Exd. Exi. Lel. Uel. Insulation class. Motor maintenance.
A catalystic converter is a vehicle emissions control device that converts toxic pollutants in exhaust gas to less toxic pollutants by catalyzing a redox action.
 Draw ONdelay timer voltage/time characteristics
 foam n co2 fire fighting working principle
 Boiler water level controller. Explosie meter  working with diagram. Intrinsically circuit definition and explanation.
Background – working on tankers - What does Solas say about Emg Generator - What does it power - What is a PLC - Trouble shooting on PLC - How will you connect a level switch and a temperature probe to a PLC - How many types of alternators. How excitation is done on alternator - Draw the excitation circuit of a brushless alternator - What is SCADA what does it do - IG System requirement. Alarms on IG and where is IG temperature probe located. - What are the safeties on MSB - What will you look on an IG as an ETO - How will you flash a motor (I did not reply that as I was not sure If that was the same thing as taking insulation test –which it was) - What does IP stand for. He gave one example and asked for what it stands - What is earthing - What is neutral earth and isolated neutral - What will happen if an equipment in an insulated neutral is earthed - What are the MSB protection – what will you check on an MSB - What specification whill you give while ordering a breaker - If motor is making a noise what will you suspect - Why does a motor take in large current at starting – what if the rotor is wire wound -------------
. Briefly explain different sensors used in alarm system?
144. Briefly explain different types of level sensors?
145. Briefly explain working of Viscometer?
146. Briefly explain alarm system?
147. Briefly explain what is difference between normal lead acid battery & maintenance free battery?
148. How to test Low Voltage, High Voltage< Low frequency & High frequency alarm of MSB?
149. Draw starter circuit of purifier?
150. Suppose you have to lay cable between two bulkheads, how you will make fire integrity of cable? Where it is mentioned in Solas?
151. Why generator winding is connected in star?
152. Explosion proof light requirement.
153. Draw & explain intrinsically safe circuit. What is max voltage & current in intrinsically safe circuit?
154. Causes of motor winding damage?
155. Fire alarm power supply arrangement
156. Explain Framo pumping system?
157. Questions on Man overboard & Fire in engine room.
158. How to calculate imbalance in voltage & current?
159. What is the minimum Insulation resistance required?
160. How is load sharing done between two alternators?
161. How is load shared between two alternators of different rating?
162. What is splash proof motor?
163. What is meaning of semiconductor fuses?
164. What happens if 50 Hz. Motor is supplied with 60 Hz supply or vice versa?
165. Why ICCP is switched off in port?
166. Why we should switched off ICCP while carrying out welding?
167. What should be resistance of cleaning hose on tanks?
168. What is cold ironing?
169. Regulations about submersible pump, deep-well pump, & compressor room?
170. Explain Star delta starter, Auto transformer starter, Resistor starter, Slip-ring starter, Soft starter & VFD?
171. Difference between soft starter & VFD?
172. Bulk carrier people should study about IBC code & tanker people should about tanker?
173. Difference between PLC & relay & advantage & disadvantage?
174. Explanation of Opto coupler?
175. How to overhaul motor soaked in sea water?
176. How will you start with overhauling of motor & overhaul motor step by step.
177. Explain Zener barrier?
178. Explain alternator excitation circuit diagram with AVR.
179. Explain Close & open loop with example?
180. Explain how voltage is induced in propeller shaft & grounding of same achieved?
181. Explain explosive meter?
182. If boiler water level is fluctuating what you will check first?
183. What safety system is provided for alternator protection?
184. Explain air condition system with drawing including expansion valve?
185. Why back pressure valve is required in vegetable room?
186. How many types of bearings are there & meaning of numbers mentioned on bearing
187. Electrical survey requirement of alternator
188. How much should be minimum air gap between stator & rotor of motor & alternator?
189. Does emergency generator have Governor?
190. Bilge pumping criteria?
191. Requirement for discharging slop tank as per solas?
192. Maintenance of MSB & ESB?
193. Explain working of EPIRB & how it activates?
194. Where we record failure or filtering equipments?
195. Question on LSA & FFA
196. Explain Diode equivalent circuit?
197. Regulation regarding steering failure in Solas
198. Principle & working of purifier
199. Why starting current of induction motor is high?
200. Why pf of induction motor is low during starting of motor?
201. What is Dead Weight? If DW is 17000 then how much cargo ship can carry?
202. Draw voltage verses time characteristics of on delay timer?
203. Explain different insulation class?
204. What do you mean by LEL & HEL, EX class, IP class etc?
205. Explain microprocessor?
206. Advantage of PLC over microprocessor?
207. Explain purifier starter circuit?
208. Define Marpol Annex 1 to 7
209. If transformer primary is connected to square wave, what will be output?
210. If transformer is connected to triangular wave what will be output?
211. Explain principle of induction motor?
212. Why X band radar is kept on SART operation?
213. Explain LRIT?
214. How auto pilot works & role of feedback potentiometer?
215. Why speed & voltage of alternator drops when suddenly heavy load is switched on?
216. List of equipments supplied by 24 Volts supply & emergency generator?
217. What are the duties carried out by Electrical officer from morning entering to engine room till evening before knock off
218. Explain pneumatic temperature sensor in Copt turbine bearing & how it works?
219. While starting steering gear initially the rudder is 5 degree error> Why is it so & how it is rectified?
220. What are LSA equipments in engine room, Cabins & other ship locations?
221. Explain high voltage precaution.
222. Precaution before carrying out maintenance of high voltage breakers?
223. What is meaning of electromagnetic interference & Electromagnetic compatibility?
224. What is calibration period of pressure & temperature sensors on board ship?
225. Why we should ground ship hull during dry dock when ships system is 3 phase 3 wire?
226.
[3/19, 2:59 PM] ‪+91 99990 80141‬: Mumbai ETO Oral questions asked on 17 March
1) What is sagging ?
2) Manifold fire ( LPG ) how to extinguish ?
3) If 12 v battery is showing 15 volts what may be the reason ?
4) How u will show surveyor  battery is full charge n holding the charge ?
5 ) Excitation in generator ?
6 ) If motor trips what you will check ? After checking everything still it trips what may be the reason ?
7 ) Explains PLC ?
8 ) Draw the diagram of Hydrophore motor starter in Auto mode ?
9 ) What do u mean by SOLAS ? Why n how it's benefits ?
10) Navigation equipment Chapter ?
11) Generator trips ?
12 ) Alternator safety ?
13) If JW Temp. rise in generator what maybe the reason ?
14) Emergency generator regulation ?
15) Cyclo converter with diagram ?
16) What is PF explain?
17) What's annex 6
18) What's static electricity? How Static electricity generates on upper deck ?
19) What is Surface effect ?
20) Three lamps method with diagram ?
21) Boiler sequence ?
22) Boiler high low water probes how does it work?
23)  After isolating everything n motor still give shock, what maybe the reason ?
24) Tanker  tank radar explain ?
25) Explain OMD ?
[3/19, 3:00 PM] ‪+91 99990 80141‬: Questions asked
1.Avr magnetic amplifier and scr control?
2.E/r crane how load not falling down when push button is released?
3.synchronous motor starting and pf improvement?
4.ballast pump motor cannot start when start button is pressed how u will solve?
5.co2 release door is opened alarm started but fans didnot trip what can be the reason?