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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why is transformer connect parallel? why not series? ....plz...

wbsedcl,

3 7103

How to check VFD outgoing voltage

1 4366

write a c++ code that receives an integer number and display the sum of the number and its revers integer?

MIT,

1140

1. If we apply dc supply to the primary winding of transformer it will be burnt out. similarly dc supply is given to field winding of syn. motor and armature winding of dc motor, they are safe. (Remember both windings inductive nature) what is the reason behind that?

2 2791

At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

1088

What is the meaning of dsl line in eot crane , and why it is Called down shop lead ? Pls tell exact answer.

3 29129

We use ACB in LT and VCB in HT.But if we use VCB in LT and ACB in HT that what will be the effect on the system or any power range?

Honda,

6 28408

what is Basic Engineering.,FEED and Detail Engineering with respect to Electrical Engineering.(Explain with Example)

1 2490

what is the bus bar size of 2700 amp ACB breaker ? and what is the cable size ?pls detailed answer ?

3 4305

What Happen When output Short of transformer

L&T, Saber Corporation,

2 5061

Capacitor bank require for 1000amp load

Biodeal, Pharmaceutical,

2 3581

how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 2010 I AM WORKING IN SPENCER PLAZA ELECTRICAL MAINTENANCE ,I AM DIPLOMA COMPLEATED IN ANDHRA PRADESH AND WORKING OF TN PLEASE HELP ME

1 2091

what is MULTIPLYING FACTOR in substations??

2 5599

how diside ct mf exmp.200/5 ct

1113

can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .

TNEB Tamil Nadu Electricity Board,

1 2278


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Un-Answered Questions { Electrical Engineering }

What is the capacitance values of 132,220,400 & 765 kV current transformer

1044


why the active power flow of some line is increased when the active power of out is cut ?

1217


how to size H.T & L.T Panel ?

1144


Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

2534


what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

1035






I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

995


If there is major % of Voltage harmonics in the system, how can it be control or reduced?

1135


can we find the inductance of a induction motor?

1104


What is the difference between grid and off- grid system??

993


what is the concept of directional power?

1006


where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

986


What are the limitations of Kirchoff's laws?

685


can anyone give an idea about dia calculation in cold rolling mill

753


How to decide whether A / B / C / D curve type MCB should be used?

1400


transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

1066