Electrical Engineering Interview Questions
Questions Answers Views Company eMail

it says in neutral wire current flows under normal condition, but when we put tester it wont glow, why?

HCL,

7 7715

how to calculate the watts from the tr

1 3824

Why is it that polarization index type test is required for MV and HV motors and not for LV motors?

La-Gajjar Machineries, Qatar Airlines,

3 6221

What is the Resposiblity of Electrical Utility Engineer

2405

electical engg basic question

Power Plant,

1 2915

why CERAMIC material is used in insulators??

1 3123

Difference between directional over current and non directional over current ?

2 10687

why we somewhere use ryb phase sequance, somewhere use uvw, and somewhere abc??

4 6576

is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

1307

How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

1356

What is meant by directional power and reverse power relay ?

HAL,

1 2983

what is the ground fault relay,which purpose it will be use,clearly tell me plz

1565

plz tell me in my que,how to connect thw electrical wirening in house?

1 2817

plz tell me,ht and lt panel terminals in substations explain beiefly

APCPDCL,

2325

what is the proximity & ferranti effects can you explain to me

APTransco,

1 2439


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Un-Answered Questions { Electrical Engineering }

how to find the multiplication factor for digital energy meter and analog energy meter

1758


how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

1826


What is order of the system?

700


132/66kv sub-station procation ?

1699


what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

1510






if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

1459


Is electro plating what type of load whether resistive, inductive or capacitive loads

2888


1 Ton is equal to how many watts?

659


What is dielectric loss?

635


1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

1797


How to know th details about an electrical Drawing ? Please mention the easy method.

1986


As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

3077


how does a shunt reactor maintains the bus voltage???

1572


how does high earth to neutral voltage affect electronic equipment?

921


What is the unit of attenuation?

601