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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is short circuit analysis of electrical networks?What are the procedures to be followed for its calculation?

DLF,

2 6230

how the arcing is made in ac electric arc furnace? ( between the three electrodes in any sequences or between the electrode & the charge(steel))

1 3435

What is Phasing out test?

1 12905

Why we have short circuit the secondary of the transformer

1 3063

what is high voltage in india?

Essar,

11 9986

1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

948

how can we know the size of cable cross-section from current rating ?

3 3545

starting torque is increased and current is decreased by using external resistance in a slip ring induction motor. How??

3 5257

what the effect will occur if we increase the airgap in induction motor

IES, Tanfac,

4 9420

how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

1108

what's the outstanding feature of universal motor?

Tanfac,

2 5578

what will happen if phases are not shorted with neutral in transformer impedance test? and if neutral is not connected with ground?

1 2742

Three phase alternators are connected in star connection why?

Tanfac,

13 34610

can u light up bulb with out useing neutral

12 20494

How can we findout the maximum efficiancy of Transformer? At which load?

HAL, Tanfac,

1199


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Un-Answered Questions { Electrical Engineering }

Is it possible to measure the voltage of a battery from a single terminal?

745


What is the drawback of static coefficients?

215


write down the formula of cable size in RM if current is 50Amp.

500


in conventional fan regulators how the current varies with speed?

1025


WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

1083






Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

1278


PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

6052


what is the sludge current

1069


Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.

2401


i want wipro vlsi placement pattern please send me

859


Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

740


how open delta PT works & what is its construction?

1313


What is the meaning of Insulation H for transformers????

1241


I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

724


Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

1142