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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

Eprosys Engineering Consultants,

1602

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

1722

If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

Kirloskar,

1877

Why the underground cables will Punchar? or what is the reason to burst the underground cables?

1 2905

11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

1605

Motor,transformers,capacitor tubelight etc....

1649

160 kw motor running use 2R* 150 SQ mm cable

ID,

1638

Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

1756

physical identification of HT & LT panel

Schneider,

1675

how could we calculate the no of outgoings from a 800 watt distribution board

United Engineering,

1828

how could we know the size of cable by physical view?

Havells, United Engineering,

1629

some basic standard questions on transformer.

United Engineering,

1811

i have 3, 75hp motors and 10, 15 hp motors....and to run this motors continously with a generator how much rating(kva) of generator will suiteble....?

2 3572

I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

Reliance,

2899

determine two methods to find loose connection in operational electrical system?

1688

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Un-Answered Questions { Electrical Engineering }

what is per unit calculation?looking for simple and strong explanation thk u

2570

what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

3800

we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1790

what is the effect of un-synchronized power.

2071

Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

1989

Why power genaration in India is at 50HZ while America its 60HZ

2290

Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632

2763

can we use engine degreaser for electrical motors?

1764

please give me solution to rectify the emi(electromagnetic interference)

1919

lenz law application and define

2843

Single line diagrams for star to delta and DOL starters.

2267

How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

2080

can u describe the method used for protection of transmission line.

2226

sir vizag steel ka junior trainee ka paper kitne number ka ayega

2249

what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

2106

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