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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

is it possible to test of bus bar in high rise building without completed full floor ?

1006

How to check it good or bad capacitor

IMD, ST,

4 3821

electricity bill multiplication factor 487.20xconsumption=total unit in kwh. what is 487.20 ?

Spec International,

1 1962

what will happen if i will done heart shape hole in transformer core?

Bhel, ONGC,

1 2683

How do apply electrical 'c'license......pls advice

1093

Advantage of earthing transformer

EID Parry,

2 2306

what is the calculation of power factor?

GATE,

4 2900

Which device is provided as backup of Buchholz relay???

Indian Railways,

2 3084

IDMT relay are mostly used for protection against..??? 1)Earth Fault 2)Inter turn fault 3)Overloading 4)None of the above

Indian Railways,

1 2006

should dc supply will give the transformer to build up the voltage level

1 1488

Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

NCC,

1100

any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1031

how to calculate cable size with respect kw

SPMI,

1125

How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?

Reliance,

1317

sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

Bhel, TNEB Tamil Nadu Electricity Board,

1439


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Un-Answered Questions { Electrical Engineering }

HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

1848


Is it possible to make a 5P10/ CT Ratio 50/1A Burden 5VA

1046


What is electrical cable termination

2052


how external lighting design? please give examples?

1275


bsnl tta exam question

1306






1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

1602


BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

1691


why can the rotor of 3 phase slip ring induction motor not be a 2 phase rotor?

1372


i m electrical diploma holder i want to do plc $ Scada some body tell me which insitute is best for me near chandigarh

2458


State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

1843


what is the thumb rule for determination resistance of resistor?

1642


how give earthing conection to household equipment?

1313


How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

1182


how to synchronize 3 phase slip ring induction motors of different ratings.

1573


How equivalent impedance is calculated in thevenin theorem?

461