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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

where is the primary of CT??

 3 4110

WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?

BRG, Voltech,

1 3885

what will happen if instead of neutral we use earth wire as return conductor?if we can use ,then why we are not using in our day to day appliances?please justify the answer

NTPC, ONGC,

11 29076

In power generator sets, when they are coverted from 50hz to 60hz, the kva rating after conversion increases. For example, the manufacturer of a perkins 200kva @ 50Hz generator set has mentioned it to become 220kva after converstion to 60hz. What is the relation between the frequency & the KVA rating. Any formula please.

 3 6270

why is the earthing pin on 3 pin top are big and thick

Marriott,

3 5838

1 Amp = kva ? 1 Amp =KW ?

Marriott,

3 11127

how u measure/calculate renge of capacitor,capacitor has no any rating tag.what is the theory of measure of capacitons.

Marriott,

1585

have u any web site who can give all electrical sum's to solve counting easy like how to convert 1kw=?Kva.

Marriott,

1 3055

What is the Full form of Rccb,MCCB,

Marriott, Maruti Suzuki, MCB, PCC, RCCB, Torrent Pharma,

11 57596

limitation of conductor height on ground when we consider EMC

 1496

why the pressure coil is not present in the three phase wattmeter?

 1 2710

where the lexical paramater will use in fron end?

 1449

What is meant by (2 x 185) AYFY cable

ONGC,

3 5000

why there is a 2 slits in three pin's earthing pin?

 1 2786

what is the meaning for va and how it is generated

1 3066

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Un-Answered Questions { Electrical Engineering }

to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

1501

What is size 00, 01, 1 etc., in HRC fuse types?

1849

DC transmission

1610

While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

3064

How to calculate Number of Earthing Pits....???

1121




bsnl tta exam question

1464

Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

2308

i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

1392

why electron produce magnetic field when it is in motion?

1693

what are factors to be consider to design a HT & LT motor?

1821

How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1487

What is dc current source? Differentiate between ideal and non ideal current sources?

813

what is th basic difference between a d latch time line and a d flip flop time line???

1469

any earth foult trip the relay but in welding time not trip by earth foult

2732

What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

1581

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