Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is VCB'S @ ACB'S.Plz explain Briefly

2 5790

what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 4988

what will happen to give a dc supply in transformers?

3 5392

In a circuit the power factor was leading what will happen?

2 4629

Difference between ELCB and RCCB?

5 10161

Why the motor was take the starting current is high?

3 5111

Hi All, I am working as a Technical executive in a MNC company and we have 1500KVA & 1250KVA T/F in our site, can you help me that how many maintenance tests can be conducted and what are the procedures included for the tests can you share yours answers and also give any web address to get more information on this

Hyundai,

5 8248

How many types of relay are present in a VCB and ACB, what are the tests we can conduct on both breakers and how to set the relays values

Hyundai, Sodexo,

2 45740

what will happen if one of the phases from a 3-phase motor is disconnected?? stop/run at 2/3rd speed or run at same speed????

3 6301

all electricals questions

2 3888

what will happen when a electric bulb is connected between two phases.it will glow or not

18 39239

SAY CORRECT DEFINITION... WHAT IS EDDY CURRENT LOSS? WHAT IS HYSTERESIS LOSS?

4 8723

in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

1792

what is difference between Motorised MCCB & ordinary MCCB?

TCL,

4 29944

Whag is the PS class of accuracy of CT?

3 5854


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how is capacitor bank look like

1914


What is the function of probe in cro?

632


Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1394


How can we increase fuel-power ratio of any DG set?

1337


the winding of Generator and Motor is star or in delta ? and why

627






List the power rating of any 5 important electrical appliances used in houses.

1557


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.

1487


What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

1572


How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

1438


What is meant by system?

639


why electronic instruments is more favorable than electrical?

1520


What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3070


ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

1853


Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

1536


How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

1612