Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why the weight of oil in transformer is specified (on the nameplate) in litres as well as kilo grams?

Reliance,

3 5163

How to the calculating the Reactive power ( kvar )

3 6124

what is mean by xlpe swa pvc

5 37744

how unidirectional torque is produced in DC motor?

6534

how can we generate electricity????

Torrent Power,

6 10726

IS RTCC AND OLTC REQUIRED FOR 500 KVA 11KV/433V TRANSFORMER FOR AN INDUSTRY?

IGCAR, TNEB Tamil Nadu Electricity Board,

7 17493

ple send to the how to improve the efficiency & economical to the thermal power plant

1 3158

Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

3600

Three way plug point is there ,in that plug why we need earth pin is bigger than compare with phase and nutral pins?

IIT,

7 9548

why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

1754

Will a load of 15A work if we connect it between one phase and earth?

4 6279

Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

1961

what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?

1919

How we Use DC Power in Transformers? is it possible ?

6 7206

we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

MTN,

1718


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Un-Answered Questions { Electrical Engineering }

When and where resistance earthing is used ? How to calculate the time constant for earth fault

1575


Why does the adjacent zone of protection overlap?

904


Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

1838


How to calculate flow of water delivered by pump when pressure & size of pipe line is given

2048


compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

1548


i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2354


Write down the design procedure of commutaj.

1939


how is find out kwh step by step

1546


what is the IPC ? & what the uses ?

1265


1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

7521


What is safety of Ht panel

1421


if a.c supply is given to the motor,, what happen?

1942


How work of capacitor in dc supply...???

1308


3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1645


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

1852