Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why Transistors are not used as switching devices?

15 19562

what is the difference between electrical & electronics

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

245 220531

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

Honeywell, Afcons, SIMS, Manlift,

1296




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

TCS,

15 14276

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 9248

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

NTPC, Bhel, NDPL,

6 12954

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

Infosys, College School Exams Tests,

36 34604

railway exam in asst loco pilot old test paper

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

25 28376




why earth hole size is biggest in plug point?

RRB,

13 20043

why earth hole size is biggest in plug point?

HCL, RRB, Al Qabas,

22 27583

what are the types of transformers

59 60422

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,

811

What quedtion to ask a electrical maintenance technician?

Bhel, Royal Furnishers,

5 16355

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

OPS,

4 4707

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

Bhel, OPS,

5 9590


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Un-Answered Questions { Electrical Engineering }

What is mean 2XWY

828


If a high resistance fault occurs,then what are the changes will happen in the system?

197


what is active power & reactive power?

972


How to work meggar?

554


UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

617






what is the electrical?

880


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

971


why ht motors are star connected?

675


If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

700


how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

915


how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

1034


what is the transiant condition in alternator? and how it can be prevanted?

665


PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

3434


What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

574


what are the parameters plays a major role in Potential transformer Burden calculation??

862