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Electrical Engineering Interview Questions
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we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

CFCL,

3 5763

How power cable & control cable can be differentiate from each other ?explain?

Aster, Finolex, TCE,

14 22587

what is the maximum genarating voltage in india?

32 26276

CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND TAKING OUTPUT FROM PRIMARY?

L&T,

22 23755

WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

L&T, MCL,

32 48432

WHAT ARE THE FACTORS REQUIRED FOR SELECTION OF TRANSFORMER RATING?

Tech Mahindra, Technip,

13 25434

What is the difference between Neutral and Eatrh?

 8 9668

How will you Protect aeroplanes and Ships from Lightining?

Parco,

3 5344

What is meant by Floating Neutral? how to prent

 7 22849

can we load Power capicitors on DG sets?

Neptune, Nimbus, Westin,

14 17879

why dc measurements are noted in mc whereas it is mi in ac measurements?

 1 2821

What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

Honeywell,

1510

why DG neutral is earth?

HP,

4 22332

what is function of pump in DG?

HP,

6 17551

Why Transformer in KVA?

APCPDCL, Apollo Power, College School Exams Tests, Electrical Tech, Hitech, HP, L&T, MDL, Oil and Gas Jobs, TATA,

41 81537

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Un-Answered Questions { Electrical Engineering }

whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

1431

WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

1645

What is the capacitance values of 132,220,400 & 765 kV current transformer

1455

What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

1625

Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel

1520




What Is Connection APFC Panel In Compony.

925

what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

1203

What is the Basic Difference bitween Long Shunt Connection and Short Shunt Connection in DC Generator?

1795

dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai

1539

how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.

1653

What is resistance of 50meters, 16sq.mm, single core copper cable?

1436

Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

1257

In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

1570

Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

1397

What is limitedly stable system?

648

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