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Electrical Engineering Interview Questions
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what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

1812

Wtat is vaccum currcuit breaker.define with cause of used.and where be use it Devise .

 1 3278

how invertor convert the dc into ac give brif detail

 1526

How we can convert H.P into KW or Vice versa

Suzlon,

11 15977

Why 4 pole generator generates more power and 6 pole generates less power campare to 4 pole

Julius Berger, Suzlon,

2 5550

Why Batteries are rated as AH i.e AmpereHour,and its formula to converting AmpHour to Amp

Suzlon,

4 7759

What are the different methods of improving power factor,especially in Wind Sector

Suzlon,

2 6204

11KW Delta motor is taking about 44Amps in star and goes upto 70Amps in delta and trips OFF. The rated current is 26Amps. Application is for the blower. The motor takes ( no load without coupling impller ) only 2.5A and 5Amps in star & delta starter test.Need to know why its taking high current.

Pfizer,

10 16896

What is relation b/w Transmission Lines & Communication Lines ?

 2 7804

quantizer means?

 1475

WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

BK, REL,

1 10676

what is threshold voltage for a relay???what does it exactly means ?whats its value in our indian transmission system say 11kv feeder RMU relay

 3 11877

if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

BSL,

2 4043

IF WE SELECT THE 60H FREQUENCY IN INDIA WHAT WILL THE GOOD AND BAD EFFECT ?

 3 5512

How can we calculate the capacitance of generator?

 1 3246

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Un-Answered Questions { Electrical Engineering }

how to calculate micom relay earth falt time and current sertting

1813

can we install HT panel & LT panel side by side or how much clearance is required ?

1078

Explain how to determine capacitor tolerance codes?

613

upto how many load can v connect to stabilizer which is used for tv

1716

if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

1280




Why are the laminations insulated from each other?

638

Why Ac Systems Are Preferred Over Dc Systems?

775

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.

1649

what is meant by 3rd hormonics ?

1472

Please send 110 kv sb station full single line drawing(sld)

2052

How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)

2729

What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

1598

how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

2176

he compression ratio for a petrol engine generally lies between

692

Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

1666

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