Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is shutdown of electrical sub station?

UCEP Bangladesh,

1938

a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

1189

how to increase or decrease speed in DC shunt motor by DC convertor

1721

IP55 protection stands for

Hofincons,

1 2057

IR value for 30kw lt motor

Hofincons,

1 3564

anti pumping relay function

Hofincons,

3 4279

why we usually call 415 volts instead of 440 volts

S Tech,

3 6721

In aircraft,why we use 400 htz equipment.and use common earthing

1 2954

Difference between single phase rotary inverter and 3 phase rotary inverter

Jet Airways,

1 4041

How 3 phase invertor works?

Aero Ltd,

1491

what causes contact chatter when there is no demand on the air conditioning unit?

1611

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

XYZ,

1396

What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

GNFC,

1948

Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

2613

how to erect roof control panel?

1525


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Which cable is use for rtcc control panel

1330


hi, could someone help me to find a control design for syncronising panel .

1263


what is the write prosidure of stringing of 8meter pcc pole.

1968


What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

1462


Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

1785






I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions

1664


What is limitedly stable system?

650


Control wiring of a dol starter for forward and backward

1027


What will happend if given Vfd out put to step up transformer

1241


Can any body tell me the different types of LT cables & their application.

1620


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

1349


what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?

2233


DG Earth Value?

1858


What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

1835


Differnce between negative Pahse SequenceFunction and unbalance Function?

1286