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 "PE" earthing? and what do u know abt 16mm cable?

1 5791

what is the difference between ac ground and dc ground.. In my project iam using both ac and dc supply.. can both the grounds or the return paths be connected??

1 5915

Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

2 4870

how to calculate a cable size while load is given in amp or kw and length is also define.?

1 5701

Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

2125

how do u calculate CT rating for 10 mva transformer

Enercon,

2 7625

what is physical distance of isolator to VCB in 33/11kv sub stations

Enercon,

2137

how much kn lightning arrestor is used in 11kv line

Power Grid,

8 15380

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

Jindal, Power Grid,

3287

what are the names and size of various conductors used in transmission lines

NTPC, Power Grid,

1 9218

what are the various types of towers used in transmission line

Power Grid, UltraTech,

12 54797

tell me the various standerd of CT ratio

ICA,

1 4613

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

Sabre,

2203

what is the size(sq.mm) of these conductors dog,rabbit,tiger,panther,mush,

Power Grid,

8 82386

what is the maximum load on for 10 kva & 25 kva transformer

ABB, Power Grid,

8 52258

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Un-Answered Questions { Electrical Engineering }

why do we carry out winding resistance test?

2285

How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

2025

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1961

what is the difference between rectifier and converter and commudator?

1960

hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

1894

What is the difference between solid grounding and impedance grounding?

2115

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

2285

How to calculate the sag on transmission Lines.

3013

LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

2874

What are the necessary components of the feedback control system?

1225

how to calculate magnetic force genrated by a coil ?

2202

Describe Non I.S. Earth System and why is it used?

1788

How will you define capacitance?

1164

How we calculate DC inducation moter Amp? Sir pls give me formula......

1836

In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

2124

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