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Electrical Engineering Interview Questions
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if we increase frequency of line, then how will string efficiency varies with it.

 2 11946

Dear all, Can anybody tell me that how to choose CT for a specific load? I have a 200kw induction motor, which ratio CT should be installed? Is there a formula or calculation that determines the CT ratio for a load? Regards.

2 5437

How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

 1974

what is the difference between control transformer and Potential transformer (PT)?

 1 3641

is 3-phase induction motor need a starter ? why do it so

Coca Cola,

5 6461

what is the use of the circle diagram

 2 4499

what is TRCC

 2 13347

How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?

 1625

what is brushless generator?

Jk Tyres,

2 4203

Can we perform parallel operation of two transformers when one transformer on load?

 3 4005

dear all, can any body explain that how to select an induction motor for a specific mechanical load(inertia). is there any formula or calculation then please give me. i shell be very thankful to all of you. Thank,s and Rgard,s.

1 2433

why secondary terminal of current transformer should not be open circuited?

ABB,

4 8881

In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

 2 3385

Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

 1411

which type of motor is used in lift ?

 7 8888

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Un-Answered Questions { Electrical Engineering }

How to decide and select the different earthing wire size for the different types of earthing

1802

Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

513

Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

1502

what is the voltage regulation for unity and zero power factor?

1744

Is potential difference materials property ..? if yes tnen how.. explain brifly.

1523




What are the advantages and disadvantages of the dc motors?

617

what is meant by rotating magnetic filed

1519

please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1504

What are root loci?

644

If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

1634

11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

1187

What are the various kind of cables used for transmission?

624

What is “pu” in ee?

637

Tell me in detail about c.t. And p.t. ?

713

what are the applications of TIG welding

1160

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