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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is electricity

APGenco,

3 4957

to operate air conditioner of 1.5ton what power of generator is required

Bharat,

1 14929

wich types of current?

2 3335

what is power factor in ac ckt ?

5 4739

How to check the LM324 Ic

7760

How to check op amp using multimeter

1 8678

what is errection pcbs?

1337

1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

APCPDCL, Voith,

1472

Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

Triveni,

3 4859

how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

1485

what is mean by parallel operation of permanent magnet generators

PSD,

1317

What is meant by IP55 motor.Where it is used?

Zuari,

2 5388

What happen Grid EARTH plat got cut.

Zuari,

1556

What is the difference between MCCB & ACB Where it can be used

5 6117

what sq.mm copper pvc wire need for ac load current 25amps for 230v ?

Khadamat, Siemens,

4 5774


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Un-Answered Questions { Electrical Engineering }

Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .

2777


What is the source of dependent source ?

1259


what is Anti-pumping?

1321


what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

1562


i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

1355






what is the advantage of connecting capacitors in delta than in star?

1451


HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

2938


I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

1358


What is the efficiency during maximum power transfer?

468


how can see the ac indoor or out door ac which Tr

1391


Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

2078


Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?

1373


how to select fuse rating for a 3-phase motor ???

1178


in dc series motor if field wdg is shorted then

1280


Write down the design procedure of commutaj.

1554