Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 1993.WORKING IN PVT COCERN LT LINE.PLEASE ADVISE ME .CELL NO 9994786021

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How can get electrical "c" licence.I am complited in Deee.Passing year of 1993.Working in pvt cocern lt Line.Please advise me .Cell no 9994786021

Apollo Power, Chemplast, Christy Quality Foods, ITI, Mani Associates, Microtech Engineering, TAFE, Tamil Nadu Power Company, TechSun Energies, Thermax,

59 214455

what isthe emf eqation of a transformer

7 10927

what is the capacitance of a single conductor

Bhel,

6 14644

what is the working of air drayar

1 4069

what is the working of air compressor.

5 31976

what is the working of hydrent system.

2 6355

why and how current drawn by battery charger depends upon the altitude where it is located?

1543

What is Automatic Voltage regulator(AVR)?

Cummins,

6 18549

If there is major % of Voltage harmonics in the system, how can it be control or reduced?

JCN, Wipro,

1535

why link is provided in neutral of an ac circuit and fuse in phase of ac circuit?

4 34730

Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

1937

why we do 2 types of earthing on tranformer ie:body earthing & nutral earthing , what is function. i am going to instal a 5oo kva tranformer & 380 kva DG set what should the earthing value

Altrion Technologies,

8 30454

what should be the resistance between two winding. Let 10 kw motor

3 5207

How do you calculate of power factor, if it is lagging or leading for unit(1).

4 8262


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Un-Answered Questions { Electrical Engineering }

Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

735


How does a battary stores charge in it? please explain in simple manner and in detail.thanks

1508


Why does the Solid state Rectifiers for 3-ph brake motors sometimes have 2 & sometimes 3 output terminals?

1577


what is Different between Bilinear and Unilenier?

1622


how we calculate the dick for a pole?

1695






what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

1631


I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

1361


What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3048


The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

1255


Why is tan-delta test and capacitor measurement done on alternator?

1652


We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

1648


For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

1556


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

1772


1.what is the reason for transformer and lightning arrester blast in 33kv system

2546


need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

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