Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

1 2534

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 4473

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

2057

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

1 5784

How to select cable rating for HT/LT Panels

Alstom,

1 12218

What is notching in dc machine?

1508

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

1 5610

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,

1631

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 2280

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

HB,

1 3417

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

2088

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 11851

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

Aster Teleservices,

4 6844


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Un-Answered Questions { Electrical Engineering }

how we calculate the withstansing current capacity of wires&cables?

1485


what is basic difference betmeen normal & flame proof motor??

1479


our industries ht line so power fluctation(once drop of power please rectify causes

1664


what is difference between earthingpits,earthing grid & earthing mess?

2058


i want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me

1805






What is precision of a measurement?

674


What is the two pole structure?

1423


What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

1560


The shot circuit in any winding of transformer result? Explain

797


r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1295


Why are iron cores in transformers made laminated?

664


how to meas-our losses for L.T & H.T

1684


What is difference between isolator and circuit breaker?

620


How to decide and select the different earthing wire size for the different types of earthing

1811


When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

1360