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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

definition of fault level in powersystems?

4 16364

wht is an AVO metre. and whre it is used?

Mayflower,

1 4353

Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

2081

Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1118

Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

Siemens,

1572

How to Calculate 11 KV Side Cable size of a 250 KVA Oil cooled transformer

2 15323

What is super thermal power plant? and how it will differ from normal thermal power plant

AK, Suzlon,

1428

Whata are the types of Cables?

1101

what are the differant std sizes of cable trenches?

1077

what r the sizes of CB's? how to select CB's?

1 2712

how can the active power and reactive power of an alternator be controlled?

6 13651

In a closed circuit if two 5volt power supplier are connected in parrel what is the current direction in tihs circuit?

1 2183

WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.

984

what is the effect of constant power factor to the voltage regulation

1 2031

Current Capacity of 55sqmm & 80sqmm conductor

2 2771


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Un-Answered Questions { Electrical Engineering }

What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

1481


What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

1304


how to select rating of HT Panel

492


what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?

1092


I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????

987






can i connect the two phases of scott connected transformer,if not why?

1097


what should be correct gas pressures to be a 1.5 ac unite

684


What is measurement?

229


How to calculate the Efficiency of Chiller

2425


what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

1314


What is the necessary and sufficient condition for stability.

222


what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

4176


I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.

837


How RTCC panel is working and give single line diagram for RTCC with transformer?

2230


Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

1412