Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

L&T,

898

what is the concept of directional power?

720

how to check a transformer insulation?

Kirloskar, Kirloskar Chillers,

3 4255




WHY WE GENERATE 3 PHASE POWER ONLY AND NOT 4 OR 5 OR 6 PHASE??? PLS REPLY.

7 4791

What is the difference between 11kv/110v & 33kv/110v ? If both 11 & 33KV give 110v then what is the diiference ?

1 12171

PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

1216

For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?

GATE,

1 2055

is there any current and voltage drop on liquid resistance starter water/soda tank ?

749




while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

727

what is the speed of the darkness?

Wipro,

3 2198

what is the electrical?

919

working principle of oil startar

693

what is the difference between mho characteristics and quadrilateral chara in distance protection

Essar,

1 4990

WHAT IS THE DIFFERENCE BETWEEN NEUTRAL AND EARTHING

Adani, Raychem RPG, Adani Power,

1 3968

for a 400kv t/m line with 10 ampere current will corona occur?

NPCIL,

1025


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Un-Answered Questions { Electrical Engineering }

Describe the control mechanism of missile launcher???

798


can anyone show me how the 3 phase power is supplied to socket outlets?

801


What is the difference between earthing,ground&nutral?

4113


WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???

859


How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

668






give me a clear defination of inductance,and how can u calculate inductance of a motor

1613


how we calculate electrical load on a building according to area?

1511


Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

1204


what is active power & reactive power?

1007


What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

568


What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

1054


WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM

807


what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com

681


How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

799


how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me

290