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Electrical Engineering Interview Questions

Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

9169

in a dc shunt motor what happens if motor takes high current,no speed

3075

What is stray current in DC Traction?

L&T,

4908

what is meant by armature reaction & where its happen ?

4679

Regarding units, for voltage we are denoting Volts as V but in case of current we are not denoting Ampere as A instead as I..Why..? Any technical reason for this..?

2962

how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

2736

what is the difference between squirrel cage & slip ring induction motor?

78712

what is ups?how its works?and what is there in static switch how it works?

Bhel,

13729

What is C curve and D curve of MCB?

GMR,

11157

how give earthing conection to household equipment?

1085

how give earthing to shif and aeroplane which is away from earth?

ABC,

3323

in thermal overload relay class 10A indicate what

12037

Size of the power cable like 1.5,2.5,4 sq.mm which area calculated from whick area or how specified the size?

MRF,

1455

why distribution transformer is uesd in Delta/Star formation?is there any significance in doing this?If yes then breif?

7513

why generation is done in delta nad transmission in star? brief

7637

Un-Answered Questions { Electrical Engineering }

what will happen when the dc supply is given to the capacitor?

621

how dose servo motor works

1047

why they were using TRIAC instead relay in some controllers and what is the advantages.

1155

How to calculate capacitor bank size at a load 800kVA.

717

How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

1967

what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?

1285

What is cable tray, its type, and its support?

264

How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

1054

What cmos is and its benefits?

231

Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

1273

How to Calculate The sag of OPGW in Transmission Line???

2173

Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

1449

what is the prinsiple of dc motor and construction and working ,application of dc motor.

1010

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

1240

why do we carry out winding resistance test?

1431