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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the reason for using 110 volt and 60 hertz ac supply for using power distribution in America?

Electro Tech,

2 5050

What is use of reactor..how it is help ful in electrical system .....brief explain

1 4020

how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

3335

how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.

1924

What happen if in three phase 440 v , when you check voltage by testor it glows except one phase and in the same time when you check by multimeter it shows 440 v in any two phase.what will be the reason...

Greatship,

1 3657

how terminal voltage increases when load is capacitive (leading pf load)? (explain practically what is happening, not using phasor diagram

1 3912

Utility company give the supply to customer in KVA but bill them for Watt.why?

L&T,

1 5112

what is difference between neutral and ground wire?

TCS,

2 5223

explanation of mesh bus bars

Eskom,

2166

how many joint can done in HT line and what is life of the joint

Micro Labs, Reliance,

2228

why generator efficiency is more in swinburnes test?

2208

If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link

Marafiq,

2121

what is real power and reactive power?

3 5395

how to calulate multiplying factor if meter ratio is /5 ampere and ct ratio is 100/5 ampere.(our supply is 3 phase 415 volts)what is multiply factor?

Vivek Engineers,

3 6438

Which type of questions well asked. ?

1698


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

2262


What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

1948


Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

1755


How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator

2052


Please give me a erda placement paper

1797


what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks

1978


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

2178


Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

1990


armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

2070


i want to know that what is the eligibility critaria for ongc exam?

3033


why moisture formation found in XLPE Armoured cable outer sheath

1815


what is the difference between electrical and electronic choke?

1966


What do you mean by reach and reach the point of the relay?

1261


If breaker is undefined position, first step to do.

2264


what is the solution for meger test failed the MV cable?

4267