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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how 650 volts creates? where is use?

DCL,

1535

How to check AC & DC Choke

1 3316

Differcence between UPS and Inverter.

Adani,

4 5747

What is the source of dependent source ?

1259

What is the power rate of power transformer?

1 3183

what is the current limit of lighting arrester ?

ABB,

1 2315

what happen when dc supply is given to the transformer

Bhel,

9 7218

what work will do diffrential realay DG set

IG Petrochemicals Ltd,

2117

what is power transformer?

1 2841

What is power transformer?

Welspun,

3 4952

1. what is exciting winding, rotor winding, startor winding. and how it works? in ac generator

3 3788

Is there any scope for an electrical engineer in MRF company......

1 3446

Is there any scope for an electrical engineer in MRF company......

1 1507

What will happen 50 HZ motor when you will give 60 HZ?

Bhushan Power Steel,

7 7820

WHY HOLDING CONTACTOR OF MOTOR STARTER IS CALLED NO VOLT COIL.

3 18091


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Un-Answered Questions { Electrical Engineering }

A low wet bulb temperature indicates

515


explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

1969


determine two methods to find loose connection in operational electrical system?

1070


a 100mva,400/200v transformer has leakage impdce of 10% draws a steady state line currentof---------------

1285


boiler is running in rankine cycle and deisel generator is....?

1394






there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1332


full form of electrical?

2105


How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1165


why different series of vfds (like allenbradley)are used in industry ?

1637


Why the efficiency of generator is more than motor in swinburne's test

1404


state the working of discharge lamp?

1427


Safety of dry type transformer

1268


why we change the direction of winding in rotor ?how we make the north and south pole?

1438


HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.

1544


which types of relay used in acb and vcb?

2135