Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

In my power station 220 volts dc battery set. they coneected 84th cell taped

KPTCL,

1 2226

Safety devices in SF6 Circuit Breaker?

DELL,

1 2963

Welding machine

CEL,

1 2497

how many joints are allowed in underground HT cable of 1 KM

1878

We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

1744

In CTs tan delta point should be earthed , what is the reason behind it?

3025

solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1877

they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.

1 2438

What is the Difference between Power Swing and Out of Step?

1 2859

On Which Pressure PRV is operated.

AEPL,

1726

How much amperes needed for starting of 4HP motor?

CM Smith Sons,

1 2396

When color of silica gel will gets change from blue to pink from Top to bottom?

1600

If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1633

three owners X, Y, z owned some tractors with them, on the first month x gave away the same amount of tractors to y and z ( as much as they possed), similarly in the 2nd month y gave of to x and z similarly by third month z gave to x and y. after this all X, Y, Z had 24 tractors each.

econ,

2 8677

What is reactance, reluctance,capistance, pls give answeer in hinglish and be simply Jo asani we smajh m aa jaye

2115

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Un-Answered Questions { Electrical Engineering }

Meaning of ingrace protection for motor.for ex IPXY

2915

What are the types of instrument transformer?

1173

exolain the star delta connection

2678

Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???

1952

Can an inverter be used as a converter? How?

1945

what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

2342

What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

2044

Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3346

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1806

Tell me all plants load factors i.e which plant operating on which load?

2101

How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke

2096

I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

2222

What is the Nyquist criterion regarding control systems?

1089

why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

1513

How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

2089

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