Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

Bernhard Schulte Shipmanagement,

1331

Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

Bernhard Schulte Shipmanagement,

1200

Sir I hv to fix 20 ton ac how much electrical power need apply?

Sealand Restaurant,

1 1727

why frequency meter is connected in parallel in a circuit?

University of Engineering and Technology,

1 3001

What do you mean by screen of power cables?

1272

How do u analyse protection fault when vcb tripping on load

1155

what is the function of step up transformer?

DEWA,

2 2858

Why 1/3 is used in symmetrical components?

ABB,

1373

How do you find HT and LT sides of a distribution transformer only by looking at it from outside?

Nespak,

1 1853

Is CBCT protect human life? If yes than how?

Torrent Power,

1 1915

What you have to see in transformer after week, month?

1204

what you have to see after one week or month from the day of installation of transformer ?

1219

why not phase to phase fault occure in raining day in hv sub-station?

Getco,

1 2818

How many turns are there in primary winding? (In Transformer)

Philips,

1207

Why two phase welding machine is used instead of three phase welding machine.

Merck,

1371


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Un-Answered Questions { Electrical Engineering }

in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1832


What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.

3007


What is the maximum percentage voltage drop (vd%)for a motor control center

1539


why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

1276


What is the formula to calculate the rating of power cable for three phase current.

1657






Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

1282


what about electrical pannel.? What is meant by plc pannel.?

1861


what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

2166


Why neutral cable carry current.

1510


what is the basic construction diffrance between servo motor ans sqiralcage induction motor

2004


Why 9KV surge arrester having 7.65KV of MCOV?

1095


Define the overload capacity of the motor?

1572


What is a differential amplifier?

641


how to decide choke rating for drive?

1863


Which cable is use for rtcc control panel

1330