Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how i run d.c. moter with solar panel without use of battery?

1 2538

Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

3291

why all selected supply voltage are multiple of 11

Gamesa, Suzlon,

1 4475

If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2059

How to calculate Busbar Thickness for Different type of HT/LT panels

1 5789

How to select cable rating for HT/LT Panels

Alstom,

1 12220

What is notching in dc machine?

1511

what is the difference in between short time and continuous rating?

1 5621

There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

GMR,

1632

why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

GMR,

1 2286

Why not connect relay Y phase for over current and earth fault

HB,

1 3421

What is dynamo?How it works and what is the function of dynamo in a DG.

2091

why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

HCL,

1593

What is dynamo?How it works and what is the function of dynamo in a DG.

Amrapali,

3 11855

why we ht line cable size small rather than lt cable.

Aster Teleservices,

4 6856


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Un-Answered Questions { Electrical Engineering }

what is effect of length of air gap on performance of dc motor and generator?

1331


What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

1552


Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1249


Why syn. Generators are used for the production of electricity?

660


how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

2299






how can maintain the power factor and why and this is how do work tell us

1553


in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

2357


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

1371


what is the terminal voltage of dc series generator running at rated speed at no load?

6419


what is the responsibility of C license holder in industry?

8543


Igfet is a

1200


how balanced in star delta connection ?

1630


What is the difference between Static and servo controlled voltage stablizer?

1643


Is there any abbrevation for STUB in Stub bus protection

1492


At what factor resistance r of a conductor depends?

643