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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why red,yellow,green colours lamps are used in the traffic control?

Samtel,

2 6231

What type of bulb used in small size cross symbol boder and original flame type(Deepam)?

1 3393

Why heat produce in AC machine higher than DC machine?

2 5651

Wat is the best to use in a generator a 6.5kva or a 7 kw

4 11854

my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1920

i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

2147

How does a digital electronic meter work??????

2053

how much test voltage should applied for tan delta test.

Electrical, TATA,

2 5717

What is 11 N1 and 12 N2 in single phase Transformer ?

1932

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

NA,

2298

While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 4661

What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......

1 4323

What is the difference between neutral and ground?

Cethar Limited, Torrent Power,

3 8008

How many types oil using in transformer ? How many letars using in transformer..?

TATA,

2107

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

NTPC,

2127


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What does the a,b,c of 95a,95b,95c relays denotes?

2656


operation of protection relay watchdog contact?

2403


In MEP Services what are parts of STP and what are there function?

3550


Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

2042


HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

2253


RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

2099


If we want to change a contactor of faulty one what are the conditions want to fullfil

1989


What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

2411


what are the safety measures of induction motor?

2046


How many gap between finger contact in a.c.b. and v.cb.?

1285


what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

1670


What is Servo Ventilated Motor?

2042


WHat is the general checks required for Dry type transformers

2082


1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?

2517


what happen when we add mentos in cold drink?& why?

2058