Electrical Engineering Interview Questions
Questions Answers Views Company eMail

to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

1728

how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1653

How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.

Siemens,

7 22727

What is the difference between Ceiling Fan armature and Tablefan Armature or winding.

Pricol,

5 9681

If we connect capacitor in series DC supply so what happened?

4 8951

if we supply DC power to AC transformer then what its result?

15 14857

can d.c.transformer exist? if yes then what its max. rating?

6 7336

give me atleast four differences between circuit and network

1866

how to calculate the cable size

3 6154

why motor burns ?

5 8105

What is correction factor in Tan delta test?

1 8192

effect of single phase transformer on full load current?

2 4097

What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 6442

How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

Adama University,

4 6111

figure of phasor diagram of transformer when full load or no load ?

Swastik, TCS,

1 11363


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why to use freewheeling diode ( diode in revers bias mode) across dc coil

4202


how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1653


how to calculate current and voltage in a same circuit?

1813


What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

1468


Difference between ac parallel circuit and ac series circuit?

1743






How to set a Zone 1 distance relay for distribution feeder?

1654


How to calculate the fuse rating depend upon the DC circuit?

2528


why we permissive overreach in distance protection.where it is applicable to use in long r short lines

2425


What is quadrantal symmetry?

1285


What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

3219


What is the function of electron gun assembly used in crt?

795


How many capacitors using in LT panel as per Govt rules?

1623


What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

2369


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.

3224


what type of questions are asked and howmwny questions belong this catagory?

1822