Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Comparative difference between 33Kv & 66KV for transmitting the load of 7 MW at a distance of 34 Km.

NHPC,

6 9102

APPLICATIONS OF SHUNT GENERATOR

Wipro,

1 9280

whats the advandage of PMG in alternator?

2 15668




what is the d/f b/w iverter & converter.

Indeco,

5 3615

how bucchos relay works in a transformer

Indeco,

8 7293

how generater works

4 2930

what are the main parts of UPS what is the function of that?

Apollo, HCL, Liebert, Tech Mahindra, Royal Furnishers,

23 95627

Which transformer is suitable for 220/11 kV, 60 MVA, distribution , Y-Y or D-Y or Y-D, give comparison for the same.

3 6681




why do power factor in the three phase induction motor increases with the load ???.

Jindal,

3 8662

How to calculated capacitor rating both HT

Reliance,

10 17202

How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

1024

Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

OPS,

2995

Dear All please ive me ur ideas... What is the major diff between cu conductors and Al conductors ?

MX Technology,

3 2935

hoe to select the cable size in sq mm for certain load?

TCS,

5 6141

how to select DG set for certain load?

ACC,

7 17080


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Un-Answered Questions { Electrical Engineering }

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

662


what work will do diffrential realay DG set

1421


can we do the star delta connection of capacitor for 3- phase motor starter.

773


What are the causes for the failures of sandwich type (Al) busducts?

644


i have interview in Pepsi company what type of question will ask please send the question and answeer

2084






i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

625


From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

726


what is inter connected dc generator?

1370


what is the difference b/w pvc cu conductor and cu breaded wire..?

1702


I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.

873


Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

729


I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

881


what is the method of earthing of a transformer using electrodes?

860


what is spadar bar .why I use in DC generator.

587


what could be the RMS value and average value of a 4 phase sine wave?

685