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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Given a ckt,the max power dissipated in the load ZL ?

1 2283

The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Supplies the voltage at negative vlotage

GNFC,

4 24997

why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

ISRO,

1245

what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

1943

what is use of lockout relay in ht voltage

2 6113

Can u start a tube light without a starter?

Adani,

8 26714

How to select a contactor? How many types of contactors are available

TCS,

2306

Why Alternator has 0.8 power factor?

Bhel,

2 6044

difference between ordinary MCCB & Motorised MCCB

4 14407

if acapacitor connected to power supply will it cosume power& will it going to get recorded in energy meter

2 2777

an electric bulb is connected on a holder. one end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. the bulb will glow or not? if yes then what is the need of neutral?

7 9520

what is soft starter? what is the difference between soft starter and star delta starter?

1 4662

how many methods for starting an induction motor?

Hindustan Unilever Limited, Hyundai, TPL,

7 9888

what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

2398

detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

2063


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Un-Answered Questions { Electrical Engineering }

I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

1198


what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

2040


can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you

1139


What happen Grid EARTH plat got cut.

1311


what is the effect of higher value of GD???

903






Any Electrical Engineering jobs?Please refer for interviews. Thank you

1005


pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

1768


IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

1127


Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

213


Can I use star delta connected induction motor for dual supply voltage?

1109


What is the difference between acs 550 & acs 850

4838


hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

1085


How one can check the MAIN of a house wiring ?

1023


Can anyone explain me about the capacitor calculation

1201


The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

1097