Electrical Engineering Interview Questions
Questions Answers Views Company eMail

in most industies hormonics present up to some level. what is limit ? and there effect?

Bhel,

3 4111

how we calculate size of exciter(excit. volt and current) for generator?

century,

1 4087

what happens if generator is running leading power facotor?

century,

9 10665




If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

ABB,

11 8408

why generaters need four earthings

Sasken,

5 4473

how many earthing required for ups, what should be the earth voltages

Juniper Networks,

9 16070


i need online ups battery calculater

1 2465




In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

1 4003

How one can check the faulty capacitor, diode when connected in the circuit ? and when you can not take them out ?

4 6614

What is the Difference Between MCCB & ACB & VCB

L&T, TCL, TCS, Siemens, Divine, JLL, Jyoti Ltd, Absotherm, Delton, Kirloskar, RPP, Teekays, YSJ,

58 252744

what is dc voltage?

2 2908

HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

TurboTech,

1 5232

In a 3 phase squirrel cage induction motor why does rotor rotate? will 3 phase transformer rotate like a motor if it is placed on bearings and powered up? give reason

Siemens,

10 19183

WHAT DRESS I SHOULD WEAR WHILE ATTENDING AN INTERVIEW? PLEASE SPECIFY THE STYLE AND COLOUR. CAN A LADY WEAR CHUDIDAR FOR AN INTERVIEW?

Wipro,

6 9686


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Un-Answered Questions { Electrical Engineering }

How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

352


why we use sinosidal voltage / current instead of others in system?

685


I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in

1613


sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used

633


Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

1580






how to get bearing & winding temperature of an induction motor?

652


Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

422


FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

761


What is meant by Load Encroachment in OHL Feeder Protection?

2254


for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

481


why need to be maintain power factor for industrial customer?

2656


I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

905


A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

832


When we need up only in o/p 440v, so why we use directly in 11kva in input?

519


In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

1948