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

1571

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

1513

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 22026

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

Pricol,

5 9020

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

4 8378

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

15 13552

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

6 6741

give me atleast four differences between circuit and network

1703

how to calculate the cable size

3 5775

why motor burns ?

5 7384

What is correction factor in Tan delta test?

1 7897

effect of single phase transformer on full load current?

2 3703

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

5 5931

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

Adama University,

4 5598

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

Swastik, TCS,

1 11099


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Un-Answered Questions { Electrical Engineering }

How dia computation perfomed in cold rolling mills .

2580


What is the difference between DOL starter and star delta starter

564


how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

1891


what is sevice settings for mccb?How can be it setted?

1468


Why does the adjacent zone of protection overlap?

679






How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1496


How does cost of generation from hydropower plant compare with other sources of electricity?

609


i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?

1340


Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

1408


what is invertor supply and raw powersupply

1514


if i get a drop in my 1st year and the i clear my 2nd year and 3rd year all clear and i dont have any back logs so can i be able to sit in campus selection??

1359


how to calculate the fault in substation

1695


if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

1958


in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1829


I need bhel electrical test pattern & paper

1384