Note- This is for B.Tech Marine Engineering Cadets.
Hello Everyone! Below are some technical interview questions asked to cadets. We strongly advise you to use this only as a guide. Hope it helps!
- What are the subjects and topics you are confident about?
- What kind of practical experiments have you done in Control Engineering Lab?
- What is PID? Explain its working and purpose.
- Where have you used PID or have seen it being used?
- What are the different types of Motor?
- Differentiate Synchronous and Asynchronous.
- Tell me everything you know about Alternator.
- What are the different machineries used on-board?
- Tell me the difference between 4-Stroke and 2-Stroke Engine.
- What are the different kinds of emergencies on-board?
- What should you do if there’s an emergency?
- Tell me about Boiler mountings.
- What is a Freshwater generator and also tell me about the working principle?
- Tell me about the annexes of MARPOL.
- Few situations based questions on Modular(STCW) courses.
- What is a Sewage treatment plant and regulations
- Tell me about IMO amendments for sulfur emissions
- What is an Incinerator?
- Tell me the working of Purifiers.
- What are the different types of Valves and their uses?
- Tell me about any Electrical motor.
- What are the different types of Pumps and where are they used?
- Tell me everything you know about Marine Engine
- What is Oily water separator?
- Tell me about Faradays Law.
- What is resonance?
- How does salt concentration affect the melting point of water?
- You are boiling water at two locations, one at a lower altitude and the other at higher. Which one will boil first and why?
- Tell me about Lead Acid Batteries.
- What practicals have you done till date?
- What is a screw jack?
- Do you know the operation of Lathe?
- What is SOLAS?
- What all have you overhauled in college or somewhere else?
- Tell me something about welding. (Study about the topic- ‘Welding”)
- Draw the PV diagram of an air compressor.
- Questions related to intercooler and aftercooler.
- Draw the PV diagram of the otto cycle
- What is lubrication?
- What are the types of lubrication?
- Give examples of each type.
- Why can’t you use Hydro-static lubrication for gears? Why is Elasto-hydrodynamic necessary?
- What is the use of bursting disc and fusible plug?
- What do you observe when a piston is taken out for overhauling?
- Difference between a centrifugal pump and a screw pump?
- Difference between constructional features of RD and RA engines of Sulzer?
- Constructional difference between RND and MAN-B&W engines in terms of scavenging, arrangement?
- How is scavenging done in SULZER RND? What are the special features?
- How is a turbocharger lubricated?
- What is a total blackout and what are the different backup systems?
- What are the additives of cylinder lube oil?
- Sketch and draw bilge baler of lines?
- What is MARPOL 73/78? What are the contents of Annex 6?
- What is the ratio of power for ahead and astern drive?
- Why 85% CO2 has to be discharged in the first 2 minutes in an E/R flooding system? Why 2 minutes, not any other time?
- What is a protected zone?
- Who are the engineer officers manning the different watches and what are the different timings?
- What are the different engineering duties of a 5th engineer?
- What is the device to prevent oil pollution on board a ship? What is an OWS and how does it work?
- What is a freshwater generator? Explain the working principle and precaution in the case of FW additives.
- What are the various structural and functional differences between a 2-stroke and 4-stroke engine? How can you distinguish from outside?
- How will you treat a chemical burn?
- What is the purpose of a connecting rod?
- Differentiate between film lubrication and boundary lubrication?
- Describe the function of an OWS and bilge-ballast pipeline, freshwater generator, purifier.
- What are the different types of pumps?
- What is the difference between a purifier and a clarifier?
- On bringing near to leaking Freon refrigerant, the color of a halide torch changes to?
- What is the blowdown pressure of a safety V/V?
- What function is achieved in a car carburetor?
- What is the function of steam?
- What is knurling? Why is it used?
- What type of motor is generally used onboard a ship?
- Steam is passing down a pipeline at 7 bar and is leaking. What is the condition of the steam?
- If 2 phases of 3 phase motor are interchanged, what will happen to the motor?
- Just by seeing, how will you diff. between the inlet and exhaust V/V of a 4-stroke engine?
- Describe the function and components of an IG plant?
- Difference between relief V/V and safety V/V?
- Basic different features of Sulzer RND and MAN-B&W engines?
- What is tappet? Why is it provided?
- If you want to discharge water in the moon, which pump will be used?
- There is a 6 cylinder, 1200 rpm,4 stroke engine. How many power strokes will be there per cylinder per unit time?
- What is the basic difference between impulse and reaction turbines?
- What will you carry when you go to E/R from your cabin?
- What are the different annexes in MARPOL? What annexes are being implemented?
- What are the two new restricted areas included nowadays?
- Tell me about the Types of scavenging.
- If your fuel V/V has a problem what will you do?
- What are the safety devices in air compressors?
- If purging V/V of fuel V/V is leaking, what will you do?
- If the direction of rotation of a compressor is changed, will it work or not?
- Under which rule chemical tanker is guided?
- What are the categories of chemicals?
- What is CPR?
- What is the quantity of Power supplied by the Emergency generator?
- What is the cause of human negligence on ship so far as safety is concerned?
- What will you do in case of oil spillage
- How will you tackle e/m condition?
- What are the life-saving appliances kept onboard?
- What type of air compressor and stage are mostly used onboard?
- What is the function of the master start V/V of a 2 stroke engine?
- What is the function of “dampening” in a purifier?
- What are the precautions to be taken during the total flooding of CO2?
- What is the lift of needle V/V in the fuel valve?
- Types of fuel pump needed in a marine diesel engine.
- Type of portable extinguisher we will use for oil fire.
- Safety precaution you will take while welding.
- Types of exhaust V/V used on different types of 2 stroke engine
- What is the Main function of exhaust V/V?
- Inspection to be carried out while overhauling the piston of a 2 stroke engine.
- Overhauling of exhaust V/V of a 2 stroke engine(steps).
- Why 4 stroke bottom end bearing bolts are prone to fail in service?
- How will you assess the proper combustion in the boiler without seeing the smoke color?
- What is the bottom end bearing clearance in a 2 stroke engine?
- What are the piston ring clearances?
- What is the function of a compression shim?
- What is the function of the X-head in a 2 stroke diesel engine?
- What is the full form of B&W?
- What are the differences between SULZER and MITSUBISHI engines?
- What is the general difference between a “tanker” and other types of ships?
- What is the requirement of an emergency fire pump?
- How the propeller provides thrust to move the vessel?
- Types of baffler.
- What are the duty hours of MEO on board?
- What are the regulations of MARPOL in the case of tanker and cargo vessels?
- Can you explain the working of your model?
- What was your role in the making of this model?
- How did you go about the automation of this model?
- Do you know anything about the inert gas system?
- Can you sketch and describe the IGS?
- Difference between a crude carrier and a product carrier?
- Operation of various portable fire extinguishers.
- Location of E/M generator.
- S&D bilge, ballast, and fire line.
- Bilge discharge regulations and MARPOL.
- Operation of the oily water separator.
- What is tappet clearance and how do you measure it
- How do you start the engine?
- What is a turning gear and it uses?
- Tell me about Boiler mountings.
- How will you distinguish the right and left-hand teeth or thread by visual inspection?
- Why two safety v/vs are fitted on the boiler?
- How will you take the propeller drop?
- How to check the straightness of a shaft?
- What is sounding ?
- Difference between sounding and ullage ?
- What is setting tank service tank and working of Purifier?
- What is life raft ?
- Regulation number and annex for OWS ?
- Explain the OWS discharge regulation
- Procedure for tackling fire in cabin
- What is the working of FWG ?
- Why vacuum is kept ?
- What is temp of boiling water in FWG ?
- Explain HRU.
- Explain how oil content in OWS discharge is measured ?
- What are various types of steering gear system?
- Explain Rotary Vane type of steering gear system.
- What are the properties of lubricants?
- What are the types of compressors?
- What’s first angle and third angle method ?
- Which method is usually used ?
- What’s the size of head for M8 BOLT ?
- What is alternator also explain the principle?
- Which part of alternator has field winding?
- Field winding is on rotor or stator ?
- How field of alternator is excited ?
- Which is the largest engine?
- Specifications of the largest engine (bore, power ) ?
- What’s TPI?
- What TPI hacksaw will be used to cut metal ?
Please Note: The scope of technical questions is not limited to the questions mentioned above.
