meo class 4 safety oral questions and answers

Free surface effect ?

What is corragted bulkhead ?

Explain Freeboard ?

Flammability diagram , draw and explain ?

What is intrinsifically safe ? where it is used ?

Free surface effect and its correction methods ?

Purpose of cow

What is gas freeing ?

What is IG alarms ?

How will you prepare for marpol annex 1 survey ?
Ref system air purging procedure , location of purging valve ?

MLC titles ?

How to take over a watch ?

What is hogging and sagging ?

ODMCS function ?

High lift safety valve draw and explain ?

Maintenance of scrubber , deck seal , ig blower ?

Difference between safety and relief valve ?



Why positive pressure of IG maintained ?

What is reversing , draw and explain how fuel pump roller is shifted ?

What is non destructive test and dye penetration test ?


What is nox certificate ?

What is water tight door ?

Oil discharging criteria fr tanker out side special area ?

What should be done during cow ?

What is approved technical file ?

What is recognizing organization ?

How does the manufacturer and ship personnel control the effect of stresses on components ?

Explain Inclining experiment ?

What is flag state and what they check ?
Explain type of ship , fixed fire fighting system(draw and explain) ?

Explain solid floor ?
DB tank construction with diagram. both transverse and longitudinal framing ?

Explain Fixed CO2 system periodically test 1 year , 5 years and 10 year ?


In enclosed space entry inside the tank you are working and light goes off what is your action ?

In Loadline Convention what all checks made with respect to convention ?

What extinguisher is used near boiler ?

What is motor safeties ?

What place you take insulation test in motor ?

If Chlorine content high what are the reasons ?

Annex 2 is applied to which ship and what is it’s discharge criteria ?

What action you will take in Foaming and priming ?

How you will check hull thickness and thickness of hull plate ?

SAE , BISTM , SPW , BSW what it’s stand for and full form ?

What is Back pressure valve ?

What is Transverse stability ?

How to release anchor chain from bitter end ?

What is Fireman’s outfit ?

What is seemp ?

Types of NDT testing and where done on board ?

Explain Deck water seal ?

What is risk assessment and type of risk assessments ?

Reasons for flame failure ?

Annex 5 special area for both under new amendment ?

How foam applicator ?

How long enclosed permit is valid ?

Explain eedi and seemp and what it impose on ship and ship building ?

Bilge no discharge action ?

What is enroute ?

What are the types of ship ?

What was fixed fire fighting system of your ship ?

What are the Steering gear safeties ?

Explain Annex 5 discharge creteria

What is Scavene fire ?

Safeties on co2 portable extinguishers ?

Certificate for eedi ?

Actions on OMD alarm ?

At what state co2 is stored and how much ?

What was fixed fire figting system of your ship ?

Explain Crankcase fire and safety ?

On which fire You use co2

Explain eedi and seemp and what it impose on ship and ship building ?

Explain Annex 5 discharge creteria

What is the Co2 amount req for engine room ?

Records for annex 1 which ship its applied ?

How foam applicator ?

How long enclosed permit is valid ?

What is Vacuum condenser ?

What are the types of fire ?

Safeties on co2 portable extinguishers ?

Certificate for eedi ?










































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