Electrical Engineering Interview Questions

photo conductive cell

Bhel,

7616

raleigh method

1680

lorteny method

1604

why voltage rating not mention at HPSV or HPMV lamps?

OPS,

5971

why we are having many type of vector group in the transformer ,what is the use of it?

4680

Upto what extend the powerfactor of a supply system can be improved to be cost effective?

3249

which meter used to measure a flus

RRB,

4450

HOW TO CALCULATE THE SIZE OF CABLE COPPER & ALUMINIUM

64584

How to calculat the size of copper& aluminium wire ?

10505

How to calculat size of copper & aluminium ?

8894

What is an Automatic Voltage Regultor & what is its use? What are the general componets we use to design an Automatic Voltage Regulator..What are the factors to be considered for its design?

5746

How will u calculate wire size according to current rating?

8120

What will happen if 230V DC motor connected to 230V AC Supply?

58531

Two electronic energy meters are connected to seperate phase wires, but connected to a looped neutral. Are these going to function correctly?

DRDO,

11529

what are the type of transformer?

9958

Un-Answered Questions { Electrical Engineering }

Alternator rotor earth fault relay circuit

1599

What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

1588

Differentiate between Zero and Negative sequence current

1480

what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

1710

how we find transformer capacity by ohm

1784

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1470

I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

3576

Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

1573

what will be the min and max voltage flow from neutral to earth?

998

Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1695

What is the current carrying capacity of 35sq.mm flexible cable?

1068

If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2103

Explain the operation of variable frequency transformer?

716

Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1565

what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

1262