Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is substation?

KSEB, Neolite,

5 6090

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 5454

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

2294

What is electrical energy ,power?

ABB,

2 5290

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

Thermax,

2234

what is differance between kvarh $ kvah

1 1828

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

1792

Transformer type...??

1 2743

what is the Transformer Protection & Type ??

GE,

4 6228

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,

2188

What are safety device in vcb and acb?

IOCL, L Usine Fashion,

3250

Why transformer making noise during the operation?

TCS,

2 4583

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

1 3378

difference between the applicability of nortons and thevenin theorem

1538

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

2 3787


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Un-Answered Questions { Electrical Engineering }

what is current check gurd relay?

2011


What is the use of lag compensator?

660




1888


What is synchro?

643


how to remover corona effect and hysteresis losses from contactor

1554






if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

891


What are dependent sources?

649


what is different between relay and plc?

4005


ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

1567


why r we using shell transformer for low voltage

1532


Give accurate definitions for these electric terms: Inductor Inductance Inductive Induction Reactance Reactive Esam Baraka ٢١ ساعة

909


what can be the causes of capacitor start motor having a higher current that its actual

1493


What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

1617


what is the write prosidure of stringing of 8meter pcc pole.

1960


how is working bearing heater?

1553