Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why Transistors are not used as switching devices?

15 19450

what is the difference between electrical & electronics

TCS, Satyam, Infosys, GDA Technologies, Banking, MBA, Snow White, Axon Constructions, Satyam Tech,

245 219193

All tape of electrical questions Answers tape of motor transformer e.o.t crane

Honeywell, Afcons, SIMS, Manlift,

1268




my field of interest is T&D. plz tell something about that.

TCS,

15 14135

2 Diesel Generators 900KVA connected to the bus bar for essential load as an alternative for power taken from 11/440V 3KVA Transformer supplying this bus bar. my question here is in the event of power failure on 11KV side can I feed the power to 11 KV bus by using the same transformer as reverse feed, what will be the inrush current???

Ashok Leyland,

3 9148

what is the difference b/w winding insulation class and winding temperature class?

NTPC, Bhel, NDPL,

6 12864

why, when birds sit on transmission lines or current wires doesn't get shock?

Infosys, College School Exams Tests,

36 34245

railway exam in asst loco pilot old test paper

RRB, TATA, Loco Pilot, Vimal, Indian Railways, Southern Railways,

25 28189




why earth hole size is biggest in plug point?

RRB,

13 19915

why earth hole size is biggest in plug point?

HCL, RRB, Al Qabas,

22 27323

what are the types of transformers

59 60087

hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

HPCL,

799

What quedtion to ask a electrical maintenance technician?

Bhel, Royal Furnishers,

5 16279

capacitor is load free component but why ampare meter shows the current when the capacitor bank breaker close?

OPS,

4 4651

capacitor is load free component but why ampare meter shows current when capacitor bank breaker close?

Bhel, OPS,

5 9518


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Un-Answered Questions { Electrical Engineering }

Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

1023


explain remenance . differentiate high remenance type ct & low remenance type ct

704


IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

1833


how many types of motor can be used in washing machine

850


when ID fan will immediately stop through VFD what exactly cause and problem the ID fan

159






after how many spot we must chang secondry cable in portable spot welding gun?

708


Single phase and threephase power calculation

857


what is value of Jin transformer

864


i've iocl interview.. if you know the interview process please give me information..

696


whether fibre optic cable in high voltage earth conductor is used for protection circuits

441


state the working of discharge lamp?

840


what is the difference between ups & inverter

3432


one electromagnet is called

666


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

1592


How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"

683