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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Does increase or decrease of reactive load affects the Voltage.

Nalco,

5 9224

How Calculat the Cable Sizing of HT/LT System & Explian by one Exampal?

Siemens,

1 5851

What is meant by TAN-DELTA test carried out in motors?

 3 17459

Why reverse power relay is used?

 12 49694

What is the meaning of ST and HT in electrical transmission and what are thier range.

 6 32656

why the transformer secondary voltage is more than the load end voltage like t/f 11KV/433V for 415V(terminal voltage)

 4 10057

how netral CT is selected (including its details specification)

ABB, ABC, dbpl, Mecon, Shree Engineering, Tapasya Transformers,

8 40504

Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

 1492

what are the necessary basic electrical topics to learn for mechanical engineer to deal practical problems.

Honda,

1755

what is upper impedance and lower impedance of a distance relay

 1576

What is RTCC in a transfomer and specify its function.

MCB, Vodafone,

11 109990

What is OLTC in a transformer, specify its fuction.

Bhel, Isgec, L&T,

35 133624

What is OT in a transformer, specify its function.

 2 3824

Whta is WT in a transformer, specify its function.

 4 7435

What is ST and specify its range of voltage.

 1496

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Un-Answered Questions { Electrical Engineering }

What do you mean by dependent and independent voltage sources?

592

I want the details about BHEL company examination.Can anyone able to help me please.

1583

how to calculate the capacitor to maintain power factor?

1652

what is the Pickup/drop off ratio in BCPU relays

4138

What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

1100




there are cam operated switches - why we call cam operated , What is cam ?

1461

electrical

1786

WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?

1478

on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

1195

how we arrange the hv side with delta connection in case 33/11kv of transformer.

1528

how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

1844

What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1472

How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

1548

What is frantic effect?

689

What are high pass filter and low pass filter? and What are the flowmeter ?

1494

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