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Electrical Engineering Interview Questions

Which one is given high energy in same power consumption AC or DC

1250

Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

813

Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

UCC,

921

How to earth the star delta connected transformers?

1324

In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

784

in the farm,water tank of 8000 litter capacity situated in 12 meter above.Farm owner want to lift 7000 litter of water within 7 minute to water tank of 12 meter above.which motor having HP rating is suitable for pumping??

1256

How can we measure the residual voltage in dc machines?

769

why the neutral line is not giving shock to us if we touch it ?

874

we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

722

Define the "All - Day Efficiency" of a Transformer

1521

Which colour of earthing wire

1105

We are dealer in Maharashtra State & We have recd. form C from dealer of Maharashtra State against our E-1 form. Now assessing authority is asking for counterfoil of our E-1 form. But, our E-1 form counterfoil is misplaced somewhere & assessing authority is disallowing the C form which is recd. from Maharashtra State.Please let us know the option for allowing C form?

989

How to know the Max. current caring capacity of the cable by its size ?

SFPL,

733

How to work definite,over pluxing,revers power,OSR relay

Ford,

690

What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.

742

Un-Answered Questions { Electrical Engineering }

plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in

1414

Why use the vcb at high transmission system ? Why can’t use acb?

208

What is stepper motor. What is its uses?

178

what is the difference between general inverter and solor inverter clerly explain plz

1082

1hp= how much rpm

1060

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1441

What is miller crystal oscillator? Explain its operation?

189

How i can calculate current of cable according to ares?

937

I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com

1728

What information we need to prepare relay coordination chart

1363

how to set the time in digital timer ?

1054

if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

698

what is submersible pump?what is different between motor and sub motor?

1088

What is the function of a neutral reactor.

753

HOW WORK HEAT PLATE EXCHANGER

1042