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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why Magnetic Core Balance test is performed only on Star side of Transformer and not on Delta Side of Transformer (Vector Group Dyn11)?

1 3827

What is voltage

TATA,

5 7797

A simple Question from all.... If Voltage drops then its rated value what will be effect on a Residential load? similarly if voltage rises from its rated value then what will be effects on a load? i know if voltage drops the equipment or device draws more current then its rated what are other reasons ? thanks in advance for ur time.......

1 2915

2 electric bulbs of 100w,200V are put in series & the combination of each bulb is supplied to 100 V . the power consumption of each bulb will be????????

4 16421

which relay is better , instantaneous or IDMT relay .

2 5674

why star connected transformers used in tneb?

1 3589

what is the instrument used for measuring insulator RESISTANCE

TATA, Transco,

5 7578

what is stacking factor?

1 11993

Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

1871

explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?

2258

at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1791

L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW MOTOR STARTS WITH EARTH FAULT RELEASE

Ambuja,

1 3730

L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW MOTOR STARTS WITH EARTH FAULT RELEASE

Ambuja,

1 6356

URGENT PLEASE//////////A WORK SHOP IS HAVING A 100 KVA TRANSFORMER 11KV/415 VOLTS, AND THE CONNECTED LOAD OF THE WORK SHOP IS 80 KW WITH INDUCTIVE LOADS, LIGHTING LOADS,ETC., HOW MANY EARTH ELECTRODES ARE NEEDED AND WHAT IS THE EARTH RESISTANCE OF EACH EARTH ELECTRODE AND COMBINED EARTH RESISTANCE in normal soil. AT 11 KV SIDE AND AT LT SIDE. HOW TO CALCULATE.

1 3385

IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED

BSF,

2 24499


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

2890


What are marginally stable systems?

1104


state the disadvantages of carbon filament???

2941


Why derivative controller is not used in control systems?

1186


What is the purpose of stablization resistor in high impedance bus bar protection

2006


what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

2286


i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

2023


Working of microwave oven?

2247


What kind of preventive maintenance are there for transformer?

2275


difference between high and low impedance BUS BAR relay??

1618


1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

1997


What are the various types of rotor used in the alternators?

1071


How to setting the volume of RTCC panel AVR (11kv) controller

1593


12.5 tons a/c is their how much kva generator can recommend to the customer.

2030


Why front mounted CT polarities are always towards breaker?

2024