Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why cant we connect the motor output to generator and then generator output to motor ?

4 7494

who invented active elements? plz give me the complte details of active elements...

1915

What is UJT PNP, NPN transistor & working principles?

TATA,

1 12871

what is relation of rpm with Power supply? rpm directly Proposational to power ?

2 6727

How to calculate the Harmonics losses in terms of cost/unit.

2092

how to select the cable size? any formula to calculate cable size?

4 8879

what is the frequency of direct current(dc)?

Cognizant, University,

12 39197

What happen if two protection core (3p) of VT in LAVT are 11kv/root3, 110v/root3 and one protection core (3p) is 11kv/root3, 110v/3

1 5350

What is the difference between single point and double point bonding. please kindly detail about bonding of cables.

2515

I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

2150

How does the sensitive earth fault protection provided by cbct for motor can help in reducing the size of cable used to supply the motor?

1 3712

How is The split core current transformer working ?

Honeywell, NCC,

1 3833

I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.

2212

What is the difference between bushing and insulators.? what is the creepage distance?

4 40922

In motors how many types of cooling systems were used?

NTPC,

2123

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

1664

WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

2423

What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

2018

In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

11910

From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

2081

does a DG set has low fault level as compared to that of a transformer.If yes then why.

2039

How we can come to know the substation range,without go through any name plate ?

2160

List of equipments required foe industrial repair lab.

1942

What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

1719

What are the specifications for getting approval of Substation?

2001

WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?

4932

What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

2678

In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

1958

how flow current in 220 kv line to line

2048

What is the difference between DOL starter and star delta starter

1173

For More Un-Answered { Electrical Engineering } Questions Click Here