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 Transistors are not used as switching devices?

15 31095

what is the difference between electrical & electronics

Axon Constructions, Banking, GDA Technologies, Infosys, MBA, Satyam, Satyam Tech, Snow White, TCS,

245 357837

All tape of electrical questions Answers tape of motor transformer e.o.t crane

Afcons, Honeywell, Manlift, SIMS,

2657

my field of interest is T&D. plz tell something about that.

TCS,

15 25700

2 Diesel Generators 900KVA connected to the bus bar for essential load as an alternative for power taken from 11/440V 3KVA Transformer supplying this bus bar. my question here is in the event of power failure on 11KV side can I feed the power to 11 KV bus by using the same transformer as reverse feed, what will be the inrush current???

Ashok Leyland,

3 13346

what is the difference b/w winding insulation class and winding temperature class?

Bhel, NDPL, NTPC,

6 19092

why, when birds sit on transmission lines or current wires doesn't get shock?

College School Exams Tests, Infosys,

36 58714

railway exam in asst loco pilot old test paper

Indian Railways, Loco Pilot, RRB, Southern Railways, TATA, Vimal,

25 45550

why earth hole size is biggest in plug point?

RRB,

13 30045

why earth hole size is biggest in plug point?

Al Qabas, HCL, RRB,

22 45104

what are the types of transformers

59 94287

hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

HPCL,

1979

What quedtion to ask a electrical maintenance technician?

Bhel, Royal Furnishers,

5 21312

capacitor is load free component but why ampare meter shows the current when the capacitor bank breaker close?

OPS,

4 9144

capacitor is load free component but why ampare meter shows current when capacitor bank breaker close?

Bhel, OPS,

5 15373

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Un-Answered Questions { Electrical Engineering }

What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?

1742

how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

2112

In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

2003

how to store the thunder power?

4488

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

1398

there are cam operated switches - why we call cam operated , What is cam ?

1916

brief notes on ammeters

2042

What is the role of Dedicated earthing in UPS System?

3101

For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

2324

why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

1855

How to convert 2 phase to 3 phase electricpower in induction moter?

2121

what is effect of 5amp fuse on 2mva pry protection of transformer

1853

what is the responsibility of C license holder in industry?

9164

if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

2476

what kvrah y we need to take the readind of that

2111

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