Electrical Engineering Interview Questions
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I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN

1652

Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

HCL, Reliance,

1697

how can we decide where we have to DYn11 or other vector group transformer

BSL, Knight Frank, Security Printing and Minting Corporation of India Limited,

4 30415

What is polarisation index value?.(pi value) Simple & brief definition of polarisation index?..

7 17089

What is the field weakening mode of a ac motor?

L&T,

1 2215

Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

2287

What is an Air COmpressor

DLF,

1710

what r Grid stations?what r there role.Explain in detail

1 1955

explain how the power is distributed from a power plant to a consumer.explain step wise in detail

1 3565

what r substations?what r there work?why voltages r incresed and then reduced during distribution of power

1457

The transmission does not have options: a)Partition noise b) Flicker noise c) resistance d) Short noise and reason

1933

* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 5116

Single line diagrams for star to delta and DOL starters.

1806

what is bus duct and what is differance between bus duct and bus bar

6 47087

in gen traf what is ONAN , ONAF , OFAF and DYN

3 8947


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Un-Answered Questions { Electrical Engineering }

can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you

1565


upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.

1629


How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1034


Is there chopping current in resistive circuit

1532


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.

1474






draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

22118


What is the basis for framing the rules of block diagram reduction technique?

961


How to work meggar?

1353


What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2279


how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

2147


what will be the effect if you were using different brands of outlets?

1466


what is parellel power factor correction?

3416


what will be project cost for 100 kv transformer connection under oyt scheme.

2397


Can any body tell me the different types of LT cables & their application.

1618


how is the incoming cable size calculated for a given current rating of a panel??

1427