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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is substation?

KSEB, Neolite,

5 7470

Is it possible to make 0.75KW motor earthing from MCC panel by using the 1.5 SQMM, 4 core cable, means 3 core for 3 Phases & 1 core for Earth terminal?

4 6732

Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

2702

What is electrical energy ,power?

ABB,

2 6179

How to calculate the efficiency of Turbo Generator(Alternator) in general....?

Thermax,

2811

what is differance between kvarh $ kvah

1 2448

Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

2240

Transformer type...??

1 3371

what is the Transformer Protection & Type ??

GE,

4 7514

explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

MPPGCL Madhya Pradesh Power Generating Company Ltd,

2647

What are safety device in vcb and acb?

IOCL, L Usine Fashion,

3809

Why transformer making noise during the operation?

TCS,

2 5567

how many desk top computer can connect to a 25kva 3phase generator?

1 4416

difference between the applicability of nortons and thevenin theorem

2035

We have energy meter of ct ratio 200/5amp and installed cut having ct ratio 100/5 amp what is final MF?

2 4533


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the voltage between earth to neutral in lift.

1756


what is the Transformer Impedence?How can calculate?

2025


What mean by MLTP

3891


A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

1024


WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

2267


for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

2401


What are differences between Voltage, EMF & Potential difference ?

1910


number of I/O devices in siemense plc

2081


what is the eight bit unit?

2385


In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

2209


What Is Sampling?

1162


what is die electric strnth of transformer ?

2127


(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

2128


in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

1756


testing of Vector Group – YNaoD II

2869