Electrical Engineering Interview Questions
Questions Answers Views Company eMail

A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?

1 3571

Why fuse is? What will prevent by fuse?

2 4068

What are the fire Estingushers use in electrical fire?

3 4623

What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)

1 3441

What are the differents between Breaker & Contactor?

8 59734

What are the main parts of VCB?

12 26418

If a contactor need to replace with faulty one. what I want to check?

Bhel,

2 3335

If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?

3 4650

what is the differnce between high impedance relay and low impedance relay

Areva,

4 19685

what is LA CT PT panel?

Dwarikesh Sugar Industries, NTPC,

3 23563

At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?

4 9757

Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?

3 17654

how to calculate the surge level of surge suppressors related to the SF6 cicuit breakers?

Crompton Greaves,

1533

What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?

2 10511

how many types method in earth testing?

ONGC,

3 6078


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Un-Answered Questions { Electrical Engineering }

What is the Nyquist criterion regarding control systems?

644


How it can worked plc based electrical system And which type of software using.

1662


why the pf of semiconductor device is improved the electrical devices

1433


how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

1866


I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in

2378






How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

1741


Tell me about ur past electrical maintanence job

1418


Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

1678


What is the difference between isolators and electrical circuit breakers?

614


Load transfer in 11kv double busbar switchgear - operation.

1485


Write down the name of 2 lady Bir Pratin of Bangladesh

1455


please explain how to do 'pole drop test' on generator?

2369


What is reactive power and where it is used.

1179


What is the difference between acs 550 & acs 850

5357


The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s

2372