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Engineering Interview Questions
Questions Answers Views Company eMail

What are annotations? What are assertions? why they are used why not if-else?? what is normalization? what is QuickSort? what are Avl trees?

Impetus,

2373

What is the use of generics? when was it added to jdk?

Impetus,

2092

hello sir, i'm persuing my B.tech final year in textile chemistry and have a diploma in electronics and communication...interviewer ask why you should adopt textile chemistry from electronics and communication....please give me the best answer... thank you

1788

what is JAR file,JNI,JFC??

CTS, TCS,

2645

write a programme to identify the biggest number from the given three numbers with out using of relational operators

1960

How i can calculate current of cable according to ares?

Pharma,

1999

inductive power factor is benefit compare to capacitive????

3 4805

you are on site,the plant trips,you are approached by operations,what do you do?

ABB,

2243

What are the key components of control loop?

1 9732

what is the meaning of wet leg & where is it used?

1 11182

I need to know the productivity of meason/labour/barbender/carpenter while doing work like Shuttering, reinforcement steel, brick work, earth work?

1 10459

what are differences b/w EIA 449 and EIA 530?

2452

how the harmonic pluses take place in the flow of current

2 4142

what is the consuption rating of motor in one day

1 3297

Sir we have 12.5 MVA(110/11KV) transformer (Y-Y) connected,which tripped showing earth fault,when we charged transformer it stood OK ,but on connecting 11 KV feeders it tripped showing earth fault.our service engineers found that the B phase and R phase phase connecting to neutral broken from HV OLTC(on load tap changer),and R phase and Neutral is ok.Dissolved gas analysis shows that accetline content is high,tan delta value is 12.My dout is it is an internal fault of transformer,why REF or diffrential relay is not acted?

1 5040


Un-Answered Questions { Engineering }

what r the checklist while installing 500 kva transformer

2330


what is integrated ac contact circuit

2075


Explain digital circuits?

1104


Dear all, I just want to ask an expert on this forum for some insights. For the magnetic balance test, when applied voltage on a Delta-Star transformer e.g. Dyn11, the following relationships apply for HV side: 1.  H1-H2 = H2-H3 H3-H1 2.  H2-H3 = H3-H1 H1-H2 3.  H3-H1 = H1-H2 H2-H3 For the LV side also: 4.  X1-X0 = X2-X0 X3-X0 5.  X2-X0 = X3-X0 X1-X0 6.  X3-X0 = X1-X0 X2-X0 Is there a similar pattern for Y-d, Y-Y, D-d? And how about Y-z, D-z, Z-y transformers? I've tested a YNzn5 transformer and for LV side I don't see the pattern. In this particular case I got for LV side the following (see values below): H1-H0  H2-H0  H3-H0    X0-X1  X0-X2  X0-X3 128.0  119.9  7.2      29.2   13.3   15.8 70.7   128.4  59.2     23.4   22.0   3.6 7.2    120.1  128.1    13.4   29.3   15.8 What is the relationship here for LV? For row 1 I see the relationship, for row 3 I also see but it's shifted, but for row 2 I don't see such relationship. Any suggestions, answers, someone?

1866


What Normal(Tangent) towers and Tension(Cut-point) Towers?

6218


Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

2192


explain how the third harmonic content of the magnetising current affects transformer design

3278


Civil engineering related

1971


As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1849


What is RSSP in GSM???????

3283


Define What is the tallest man made structure in the world?

1257


Are there any special considerations to be taken into account for combustion ammonia?

970


what is proper capacitor placement? How to evaluate capacitor size?

2124


Define pivot?

1


How To increase Knowledge Of boliler regarding To Only Electrical Field..

1616