Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to select cable size according to ampere.

1 1519

What is the meaning of C1, C61, C91 cable

2811

How REF protects transformer alone? explain with diagram.

1003

What Is Connection APFC Panel In Compony.

925

How Calculet The UPS AH In Load

1210

how calculate kva in to kw

1 1667

how does directional relay work incase of ac ?

1011

How many types of Transformer testing..

1 1384

If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

1126

What is the practical way to calculate the cable size for known ampere load?

929

How to test Alternator stability test for REF relay

Amprotec,

954

Testing procedure of DG alternator stability test

Amprotec,

931

how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

905

what is the function of closing coil in air circuit breaker?

Fresher,

942

sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?

1054


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Un-Answered Questions { Electrical Engineering }

What it the purpose of parallel phasing transfomers??

1504


How many types of protection relays are there based on the characteristic?

596


What is 11 N1 and 12 N2 in single phase Transformer ?

1496


How to calculate capacitor bank value to maintain unity power factor with some suitable example?

659


In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

1471






Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

672


how to calculate cooling requirement of datacentre from electrical load?

1855


WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

5572


diff. between tension mode & speed mode

1765


when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)

1517


how line turns ratio changes in 3 phase with change in connection

1407


For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

1582


132/6.6πš”πšŸ πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš› πš—πšŽπšžπšπš›πšŠπš• πš‘πšŠπšœ πš˜πš—πšŽ πšŽπšŠπš›πšπš‘ πš™πš’πš πšπšŽπšπš’πšŒπšŠπšπšŽπš. 𝙸'𝚟𝚎 πšŠπš—πš˜πšπš‘πšŽπš› πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš› 𝚘𝚏 6.6πš”πšŸ/415𝚟 πšŒπšŠπš— 𝙸 πšŒπš˜πš—πš—πšŽπšŒπš πš—πšŽπšžπšπš›πšŠπš• 𝚝𝚘 πšœπšŠπš–πšŽ πšŽπšŠπš›πšπš‘ πš™πš’πš 𝚊𝚜 𝚘𝚏 13/6.πš”πšŸ πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš›?? π™Έπš π™½πš˜.. πšƒπš‘πšŽπš— πš πš‘πš’??

573


what is the difference between vector scale and vector diagram?

3756


what is frequency response?

639