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Electrical Engineering Interview Questions

what is difference between armoured cable and un armoured cable

21568

how to calculate diesel consumption of a D.G.Set?

7502

is EEE eligible for getting electrical supervisor certificate ? if yes then from which state i sud apply

ONGC,

1463

What is the disadventage of gland earthing(power cable) if any. ?

1013

Why we can't start a tube light without a starter(choke) and an inductor?

3171

What is the size of a 60 watt and 80 watt tubelight?

1281

In three phase supply why we use R Y B Colour not other.

7617

HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

1197

how we can save electrical energy in industries,please give some inputs

2593

what is efficient motors and how it is different from normal induction motors

956

what is the effect of un-synchronized power.

1039

how can we change the phase angle b/w two phase?

2997

what is the Maximum voltage range for single phase

3683

Re: how to calculate diesel consumption of a D.G.Set? Answer # 1 We can not calculate the diesel comsumption...depending upon load it will conume the diesel...suppose the 1500kva D.G is running and the load is 1000kw means it will consume 150-200 liters per hour....

9809

what is plunger and what's the use of it in motor alignment?

CLZ, Yahoo,

1514

Un-Answered Questions { Electrical Engineering }

CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

1702

Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

1166

what is ps impedance test

1166

how to modify DOL control panel into Delta Y connection?

1038

it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

1094

Why AC current leads voltage in capacitor and how?

1084

slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

1005

why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

983

Could you measure voltage in series?

183

lenz law application and define

1685

Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

1060

mccb service sittings be done?

890

how to calculation increase power factor for single phase

1318

EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

979

What are the different circuits in thermal power plant?

166