Electrical Engineering Interview Questions
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there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?

2 3422

how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

1 3883

What is the use of 1:1 isolation t/f in any circuit...?

3 4362

cause of failure of transformer bushes

3 4229

What is flow meter?

2 3197

the problem faced on star or delta winding connection??

1482

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1477

If the soil resistivity is more large, how can we earthing our 11 k.v. transmission line?

2 3836

two 100W/230V bulb are connected in series. what would be the voltage drop across 1 bulb

6 6417

hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 4637

why the inserting resistance in wound rotor induction motor decrease the starting current and increase the starting torque

2 2922

Why Transformer does not work in DC ?

5 8307

Why we use cosine angle for calculating power factor not in sine angle ?

4 14168

In how we connect watt meter for open & short circuit test of a single phase transformer.

Sail,

2 5620

if three phase supply is given to single phase transformer, what will happen?

3 5708


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Un-Answered Questions { Electrical Engineering }

State superposition theorem?

657


Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

1420


how ceiling fan worked?

1474


what is the voltages using in movie theaters??? why ??why not other??

1714


which protection used in power plant?

1495






how we explain parallel paths armature winding?

1444


what is meant by rotating magnetic filed

1515


If 100 KAV USP dedicated earth got disconnect / Cut. What will happen at load.

1475


When lag/lead/lag-lead compensation is employed?

717


how to read idmt curva

1705


What type interview questions ask in Electrical technicians

1248


How to protect a Dosing pumps/any sensitive equipment (single phase) from surge protection inside a food factory.

1268


DG Earth Value?

1848


how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

1892


please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

1259