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Electrical Engineering Interview Questions

WHAT DO U MEAN BY THERMAL OVER LOAD RELAY& WHERE THEY ARE BUSED

L&T,

4601

What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

IOCL,

5822

why should we place 9KV lightning arrestors in 11KV substation ?

36937

What is the AVR in DG & its functios

30983

what is the difference between NC & CNC machine.what is the difference between equipment & machine tool

4880

How to prepare electrical preventive maintenance plan & shedule of machine tools.

5118

what will happen if the frequency supplied is more than the frequency of the instrument...?

3414

WHY TRANSFORMER IS MEASURED IN KVA?

20605

hey guys i scored 910 on GRE and 67 on TOEFL respectively.I have an aggregate of about 74%in my B tech.For which colleges should i apply for an MS program in electrical engineering.I am looking for colleges in NJ,SC,NC,GEORGIA, NY. Please reply with a good response.....

1028

what is let through energy of mccb

19572

what is V0/V rating of cable

2826

what is meant by excitation current & armature current ? where its produce & how we can calculate ?

1148

last 5 year rrb allahabad junior engg electrial engg question paper

RRB,

2094

if u have single phase load (un balance) and the main power cable is 3.5core means netural is .5 of phase and can the three phase current make the return paht in .5 neutral.

1838

what is the maximum Load capasity in LV-Panel,MDB,SMDB & Final DB'S in Electrical disribution system?

23269

Un-Answered Questions { Electrical Engineering }

calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

2523

What is the unit of magnetic flux density?

180

send me any model test paper of clerical post of state bank of india.......

880

If o/p power is doubled by how much does the sound increase

186

1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

3769

in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1034

with help of neat sketch explain principle of TIG welding process

839

What is the general power factor & min. power rating of TV,LCD type TV, CRt type TV, Scanner, printer?

1124

what is the difference between earthing and unearth

1895

he compression ratio for a petrol engine generally lies between

209

please send me privious exam's queation papers of section engineer(electrical).

1151

why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

1493

i want to model paper for section engg.

1134

Why does the radius of armature is less than the radius of pole shoe?

1198

How maesure earth neutral value & how much maximum value value required in between earth & neutral.

1151