Electrical Engineering Interview Questions
Questions Answers Views Company eMail

describe the Tranformer testing procedure

1470

describe the A.C. Generator Testing procedure

1650

please write motor, transformer, Generator setting, fault level calculation of Tr.etc

1526

if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

Jakson,

2 6250

what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

NHPC,

2 8288

how dg's working of 1000kva.

1 5397

what is the principle of switch gear? where its function ?

9 23587

what is the difference between capacitive voltage transformer & inductive voltage transformer.

3 22812

How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

HAL,

1 3348

what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

HAL,

1768

Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

HAL,

1 3372

what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

1882

Which type of power plant is more easier to produce electrical power at economical condition?

HAL,

5 8000

can i able to get bhel previous exam question paper?

Bhel,

1706

in three phase with neutral connection, what will happen,if the neutral is in open condition with single phase distribution panel

4 8344


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Un-Answered Questions { Electrical Engineering }

i m doing DEEE in part time,can i join regular cources in BE,,IF i join what the cources can i select like (civil,ece,IT) ,,kindly advice

1642


when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1276


What is the type of earth fault protection used in battery? explain.

1871


How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1348


he compression ratio for a petrol engine generally lies between

711






What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

1630


in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1850


why ht cable end termination don't have a gland?

2311


How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

1585


In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

1505


1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

1525


i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

1586


write a program that prints prime numbers from 1-20 in digonal form

1532


PAC and simple Ac different

975


hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

1552