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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

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 4311

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

1 4585

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

3 5631

cause of failure of transformer bushes

3 5395

What is flow meter?

2 4349

the problem faced on star or delta winding connection??

1924

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%

1922

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

2 4759

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

6 8064

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 5763

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

2 4028

Why Transformer does not work in DC ?

5 10149

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

4 15961

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

Sail,

2 6714

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

3 6801

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Un-Answered Questions { Electrical Engineering }

please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

1828

what is is the potential diffrence between two phase ?

6425

what is the formula for computing cable tray size & capacity

2168

1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

2465

What happened when voltage will half value of current ...

1615

description about dry type transformers

1895

how desiel generate sart fail of eb?

2198

gas turbine genrator reactances

2000

role of europe union in UK safety legistlation (electrical safety)

1772

draw 3 phase rectifier diagram

2203

when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

2043

What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

2031

what is difference between cpp electrical system and refinery electrical system

2300

Is vtg is controlled by the resistor? if else how much?

2087

How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

1911

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