Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why Transistors are not used as switching devices?

15 19760

what is the difference between electrical & electronics

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

245 222387

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

Honeywell, Afcons, SIMS, Manlift,

1344




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

TCS,

15 14566

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 9403

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

NTPC, Bhel, NDPL,

6 13147

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

Infosys, College School Exams Tests,

36 35142

railway exam in asst loco pilot old test paper

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

25 28663




why earth hole size is biggest in plug point?

RRB,

13 20280

why earth hole size is biggest in plug point?

HCL, RRB, Al Qabas,

22 28024

what are the types of transformers

59 60940

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,

849

What quedtion to ask a electrical maintenance technician?

Bhel, Royal Furnishers,

5 16514

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

OPS,

4 4811

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

Bhel, OPS,

5 9771


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Un-Answered Questions { Electrical Engineering }

what is ground fault in ACB?

918


for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

1340


We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

679


where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

802


How do we calculate transformer oil in liter from the rating of the transformer.

471






what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?

3015


can i connect the two phases of scott connected transformer,if not why?

814


how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

1060


what is the difference between switch yard to residential area.and how much required it.

579


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%

796


What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

890


HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION

1046


We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?

751


WHERE CAN I GET THE PREVIOUS QUESTION PAPERS OF Govt Polytechnic in deee 2nd year papers

1470


(1)Can earth and be conected together (2) what is the diferent between earth & neutral

520