Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

Bhel, Wartsila,

1 4748

pls send previous bhel electrical papers

Siemens,

1497

how set earth fault over current in relay

Jacobs, Reliance,

5 15699

what is the difference between the electrical and electroncis

TCS,

15 16459

Which is capital of Indian State Tripura ?

RRB,

13 16137

can we step up dc power using transformer?

15 17829

In a parallel circuit dc circuit with two resistors, if you know the voltage, amperage, and one resistors ohms, what formula is used to find the second resistors ohms?

6 6127

condider as 100 w lamps glowing . for completing a one unit how much time it should glow

Avalon,

3 17468

what is the difference between the diode and the rectifier

Avalon, L&T, Mahacol Trexim,

17 38999

can any one tell me the formula for calculating the power and unit consumpetion

Avalon,

9 13859

what happan when ac power transmitted in unity power factor

JE, Maihar Cement,

12 17803

which %age if losses increases when frequency is increased to 25%

Maihar Cement, Siemens,

4 6705

which %age of corona losses increses if frequency is increased to 25%.

ADCET, Maihar Cement,

3 7479

why heat produced at junction of two different conductor. what care should be taken to minimize it.

Birla, Maihar Cement,

11 14981

What is the difference between voltage transformer and potential transformer?

ABB, ETA, Maritime Academy, MSEB, Reliance Jio, Voltas, Wipro,

38 88233


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the difference between a verilog task and verilog function?

619


how the CT and PT is connected in the circuit during testing of transformer explain with diagram

1499


how to protect motor in dol starter having capacity of 30 hp.40 hp?

2755


what mean by analog ,digital,numerical meters and relays? say the example?

1745


What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1273






write down the formula of cable size in RM if current is 50Amp.

909


how does it help for selection of a transformer.

1352


Please brief working principle & construction of permanent magnet AC Servo motor

1735


In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

1232


how can maintain the power factor and why and this is how do work tell us

1538


what is effect of 5amp fuse on 2mva pry protection of transformer

1357


Difference of induction motor & servo motor ??

1290


How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs

4381


draw singleline diagram of star to delta and dol starters

1773


1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

4207