Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what the different between earthing and grounding?

4 5767

what is rated current and operating current?

3 52984

what is the type of motor that is used in emu units in india

1 3570

WHAT IS DIFFRENCE BETWEEN 3 PHASHE AND 1 PHASHE

Reliance,

6 8418

What is the problem if we connect a weak capacitor to the system? is that profitable or Loss?

1 3264

how to calculate the power loss of cable?

1 4881

what you mean swtchgear(electrical)

1 3520

WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

RasGas,

1920

WHAT IS VFD,FUNCTION, PURPOSE,

RasGas,

2 6571

how to produsing geretor power

1854

For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 3334

single phase for 230 then why three phase are 440 volt

ACIL,

4 17362

why capacitor is placed in fan

4 7661

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

2104

why the emf of a cell more than the terminal voltage when the cell is delivering current?

4 29805


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Un-Answered Questions { Electrical Engineering }

What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

1592


what is interpose? where it is used and why it is used?

748


What is the range of the stator resistance of 3 phase induction motor?

1558


calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

3207


What is mean by hot and cold loop testing? What is the difference between them?

710






What is the height of DA, DAL, DB, DC & DDE tower?

1864


explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4239


what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

1881


sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

1853


what is the transformer rush current?

1706


we specify current in case of feeder but in case of distributor voltage, why?

1488


Explain about c.t?

814


what is cathodic protaction?

1615


can u give me a brief idea about power line carrier communication ??

1631


I completed iti in2004 I was worked in A grade contractor can I get c licence

1402