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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 3991

How to the calculating the Reactive power ( kvar )

3 4924

what is mean by xlpe swa pvc

5 35450

how unidirectional torque is produced in DC motor?

6088

how can we generate electricity????

Torrent Power,

5 7524

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

IGCAR, TNEB Tamil Nadu Electricity Board,

7 14873

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

1 2544

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

3120

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 7750

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

1236

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

4 4955

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

1440

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?

1531

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

6 5836

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,

1312


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Un-Answered Questions { Electrical Engineering }

which book to refer in electrical engineering for iocl exam & which book for general english.

1599


why asa method ZPF method is more accurate than ASA method?

4977


Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

1509


What the difference between ac and dc inductor an capacitor

1549


WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

1409






WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

1407


what is level 2 automation?

2509


how to calculate the no load current in transformer?

1769


why we use single core 630mm2 cable for transformer secondary side

308


What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

1132


what is the purpose of silicon dropper used in battery charger?

5975


What is star-delta transformer?

466


Mention what are the types of semi-conductors?

532


The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

1323


Dear all, how we select the cable size according  to current with or without including different correction factor , is there any direct method for sizing of cable... 

1510