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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the method of electric earth for the protection of low voltage electric equipment

MacLellan, Shiva Corporation, Siemens,

1 5823

WHERE to use CVT & PT.

Suzuki,

11 32679

how can calculated the rating of the 11 KV transformer?

NBCC,

6 12594

Why do we have 110V, 230V, 415V etc. in electrical transmissions? Why not 100V, 200V,400V?

4 11533

how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

LTT,

2068

how many earthing is required for sever room?

4 7809

What is GIS Substation and how it operate? where these type of substation installed?

Power Grid,

8 35492

HOW many type of Circut Breaker in the world used in 400 kv substation?

Power Grid,

14 24776

What is difference between earth leakage relay and restricted earth fault relay ?

22 50249

why synchronous motor has zero starting ?

NTPC,

8 20832

how to find out capacitor range?

2 5762

what happens when d cexcitation given to alternator is removed while it is running or what happens when dc excitation is failed in alternator while running?

10 22028

why we are calculating the capacitance between phase(conductor line)and ground in transmission line?why cant we calculate capacitance between the phase and the nuetral line?if so what is procedure.

Mytrah Energy,

1 3675

what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 35058

hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics

1950


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

While testing a ZCT what parameters have to check or measure?

2394


Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1503


current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

1600


What is the distance between each insulator in 33kv transformer and how can it calculate

2184


Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

1966


How is operate breaker failure scheme in substation

2118


where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

2144


What are the advantages of autotransformer?

1217


How many sprinklers should be in one pipe line?

1963


Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

2078


What is the difference between isolators and electrical circuit breakers? What is bus-bar?

1145


how to operate and maintenance of 1500 kva diesel generator set

1811


what is the main function of capacitors in mccs.

1741


we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

1734


The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

2021