Meo Class 4 Electrical Oral Questions and Answers

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Basics

Layouts & Components
> Insulated & Earthed Neutral System

Generators (Alternators)
> What is Tie breaker? How emergency generator and main generator connected (Imp)
Transformers

Motor
> Difference Between A/C & D/C Motors?
> Difference between Synchronous & Asynchronous Motor?
> Why Motor rating in KW and Transformers are given in KVA
  

Starters
> What is Starter? Why do we Need Starter?
> Draw and explain Direct Online Starter
> Draw and explain Star Delta Starter (Imp)
> Draw and explain Auto Transformer Starter
> Explain Soft Starters
> Maintenance on starters

 
Battery
> Basics Of batteries that You should Know
> Lead Acid Batteries Working & Construction
> Battery Charging, Trickle Charging
> Inspection And Maintenance Of Battery Room
> Safety Arrangements in Battery Room

Safeties
Safeties on MSB and ESB (Imp) 
> Safeties on crane





2 Comments


>> Your Comments are always appreciated...
>> Discussion is an exchange of knowledge It Make the Mariner Perfect.... Please Discuss below...

  1. pls describe the use of synchronous motors onboard, thank you.

    ReplyDelete
    Replies
    1. it is usng for improving lagging power factor.... used in governr, Radar motor,Gyroscope etc...

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