Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what will happen if we pass a dc current through a ac bulb of 60 watt.The dc current is half ac one

4 5734

What are methods to avoid the inrush current at the time of starting of power transformer ?

Wipro,

8 7852

What is the min and max ohmic value for earthing?

Wipro, NewTek,

15 26504




WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

Reliance,

7 11829

WHY IS RESTRICTED EARTH FUALT PROTECTION NEEDED?? WHY CANT DEIFFERENTIAL PROTECTION SUFFICE???

14 20062

As Electricity Generates in MW I w'd like to know What are the factors we have to consider regarding the transmission of electricity from generation station to Public uses(230 V)

1 2319

In view of Electrical Engg. What is the use of SCR(Silicon control rectifier)

11 9805

if receiving voltage is higher than sending ones what will be the effect of receiver

4 3708




What is the breakdown voltage?

13 8080

What are types of encoders?

Wipro, ITC Infotech, UFO,

19 74488

how water and air molecules are conduct the heat?

1 1964

sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"

672

What is min and max voltage between earth and neutral/phase if it perfect earthing?

Wipro, L&T, ISS, Epoch, ITC Infotech, Statex, Power Works, Sterlite,

37 209715

why designer use kva rating instead of kw in transformer rating???????????????

9 13669

send me any model test paper of clerical post of state bank of india.......

633


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Un-Answered Questions { Electrical Engineering }

Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.

784


show the single line diagram of star delta starter with single phase preventer

2765


How to measure the Harmonic Distortion of UPS ie THD?

1031


What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

2375


What is negative sequence over voltage element?

637






tan delta equation test on alternators

914


Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

776


. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

838


can any tell me why slope 40% and 80% is calculated in differential protection?

732


Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

658


state the disadvantages of carbon filament???

1667


what is the advantage of connecting capacitors in delta than in star?

881


what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

405


sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

2212


1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

8547