Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to measure the current by compact digital equipment with dislay which fit inside any equipment

663

hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

785

If excitation will increase, then what will be the effect on power factor? Will it decrease or increase?

Prozone,

4 16015




cany anyone suggest electrical wesites for providing study materials?

907

what is the formula of knowing the clabe size on any load?

JSW, Scan Steel,

1 5466

what is the difference between ac and electric

1 2025

if 300 hrs not comleted at wat interval b.c,d checks og take place

1 1408

please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in

759




While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?

760

explain why the secondary terminal of current transformer should not be lift open circuited.

2 5730

explain why tap changer is always connected to high voltage winding side of the transformer.

UPPCL, IOCL,

10 32848

what will happen if a cw rotating altenator being synchronized to ccw rotating altenator

2 2751

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

Bhel,

901

Need help. 3 phase system. Neutral line arced and melted upon connection of connector with 3 phase power. Why would that happen?

4 2899

i have seen one 8.4 MW synchronous motor in a plant located in bellary it is fixed with brushless rotary rectifier ,anybody can explain its start up principle

766


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Un-Answered Questions { Electrical Engineering }

how to measure dc earth leakage current?

1784


How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

499


Difference between low impedance and high impedance Restricted Earth Fault

1682


What is electrical cable termination

1439


what are the main applications of transistor in non-linear region?

692






How to measure size of cable on a given load

608


how we arrange the hv side with delta connection in case 33/11kv of transformer.

796


How could a garment factory benefit from renewable energy

1542


1.what is mean by 8/20 micro sec waveshape

873


how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

393


I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

2649


HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

687


how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

723


What are the different losses In a de mac1une'! t.xplam

1125


please send me previose rrb junior engineer qustion papers

699