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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is shutdown of electrical sub station?

UCEP Bangladesh,

1538

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.

822

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

1205

IP55 protection stands for

Hofincons,

1 1427

IR value for 30kw lt motor

Hofincons,

1 2806

anti pumping relay function

Hofincons,

3 3176

why we usually call 415 volts instead of 440 volts

S Tech,

3 4809

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

1 2204

Difference between single phase rotary inverter and 3 phase rotary inverter

Jet Airways,

1 3338

How 3 phase invertor works?

Aero Ltd,

1094

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

1202

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

XYZ,

975

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,

1537

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

2186

how to erect roof control panel?

1128


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Un-Answered Questions { Electrical Engineering }

what will be the min and max voltage flow from neutral to earth?

520


rajha power sector details

1162


what is frequency response?

250


what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

1377


HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

1279






In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

1029


can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

1192


What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

1284


How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1848


What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?

1040


Ratings of power transformer,Distribution transformer.

669


Explain the difference between verilog task and verilog function?

250


what are the interview question asked in wind mill about electrical

1530


On what principle electric motor works?

256


why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

1506