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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

The earth pin of some three pin plugs are seen split. why?

1 3980

we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

2027

what is the difference between id fans and fd fans

Perkins Thermal Systems,

12 157175

if u have to run a 300kw moter then what is ur choice HT or LT switchgear & explain why?

Aditya Birla,

3 8691

Why one side of secondary of transformer is earthed, to supply single conductor of electric traction system?

1 3916

What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?

1 4560

How voltage regulation is calculated for over head transmission line? What do we mean by Conductor constant while calculating voltage regulation? how it is differ for for diffrent type of conductor say AAAC DOG & AAAC RACOON conductor?

ABB, AES,

3 21276

what is control supply rating of a machine

1936

please send previous exams question papers

1783

why the indian frequency is 50 hz & U.S.Frequency of 60 hz

3 6777

How to do stting of vl250 siemens MCCB

Qatar Steel,

2908

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

ABB,

9534

Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

2099

what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

5088

What do you mean by boost voltage in case of battery charger?

MahaGenco,

3 30143


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the criteria for selection of conductor used for ehv ac electrical dischrge

2036


Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1933


How to work definite,over pluxing,revers power,OSR relay

1731


what is transient stability analysis means?

2095


1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

2221


What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?

2250


There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

2278


Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box

2047


HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?

2557


derive DC RMS value for half wave rectifier?

3161


at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

1870


What was your role in the silicon evaluation/product ramp? What tools did you use?

1919


What is difference between YNyn0 and YNyn ??

2477


How to calculate energy stored in a capacitance

1121


can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

1428