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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why wound rotor is star-connected?

4 7980

why any Elelctricity board insist not to change the buren of their metering CTs or PTs for metering purpose? as a example elect. board not accepted that any customer change their metering CT or PT core burden from 5VA to 15VA.. why?

1 4043

for leading power factor penalty by SEB why

2 6846

which gas is filled in CFL

Lumax,

7 41097

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2103

Why voltge arev transformed in to 132KV/66/KV/33KV like that

HAL,

5 9548

how we identify AC or DC machine at the time of seeing, with out use of name plate?

4 13283

How can identify meter AC or DC without use of symbel?

4 8710

What is transister , thermister , thyrister? what is its function? where this using?

1 5031

why do we use 25kv supply for traction purpose

1 4360

why does not tester light up when it is touched to neutral of 3 pin socket.

4 20070

why the altrnator(AVR) not showing the any voltage after making the new winding and insulation?

Avon,

1 3483

How to connected to energy meter, pt, ct, ammeter, voltmeter and selector switch.

Omplas,

1 7370

which calss ct's,pt', use protection,meatering and others

1 3883

how to work droop ct in generating station

2692

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Un-Answered Questions { Electrical Engineering }

i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

2348

If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

1456

what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

2316

What is online and offline ups? how does it works?

2164

Air circuit breaker safety

1427

what kinds of Transformer oil grade is better for power transformer ?

1644

EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

2170

Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

1414

i completed my DEEE. and i want to electrical c license. how to get it..?

2176

can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

1990

What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

1059

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

3277

what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

2977

what is there inside an inverter and how it works?

1839

Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?

1965

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